SOVIET ENGLISH-LANGUAGE MANUAL ON SHIP'S LOUDSPEAKING INTERCOMMUNICATION EQUIPMENT

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP80T00246A069800300001-4
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 80
• Document Creation Date: December 27, 2016
• Document Release Date: February 19, 2013
• Sequence Number: 1
• Publication Date: October 25, 1963
• Content Type: REPORT

* /8 / 1
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i--/;,YalcaliainatialaillalariaSSONMS
4,C :
tENTRAL INTELLIGENCE AGENCY/ I
1 . I ?
This material contains information affecting the National Dentist of the United States within the meaning of U.
18, U.S.C. Secs. 793 and 794, the transmission or revelation of Which in any manner to an unauthorized 50X1-HUM
,S-E-C-R-E-T
- NO FOREIGN DISSEM
COUNTRY USSR
REPORT
SUBJECT
Soviet English-Language Manual
on a Ship's Loudspeaking
DATE DISTR.
.5-Octobefri
Intercommunication Equipment
NO. PAGES 1
REFERENCES
DATE OF
INFO.
PLACE &
DATE ACO.
THIS IS IINFVAI IIATFr) INFORMATION. SOURCE GRADINGS ARE DEFINITIVE. APPRAISAL OF CONTENT IS TENTATIVE50X1-HUM
-61.1\ 50X1-HUM
isssows.ww
-5
4
3
2
1
1.
A 75-page, Soviet English-language manual entitled Description
and Maintenance Instructions for Ship's Loudspeaking 50X1-HUM
Intercommunication Equipment
No publishing data were given. 50X1-HUM
2. The intercom system is equipped with the TP-2 auxiliary
transmitter and the "VOLNA" 10. receiver.
Distribution of Attachment (for Retention):
OSI: 1 copy
ORR: 2 copies
Army/FSTC: 1 copy
Navy: 1 copy
Navy/STIC: 2 copies
Air/ETD: 1 copy
DIA: 6 copies
NSA. 6 copies
50X1-HUM
S-E-C-R-E-T
NO FOREIGN DISSEM
GROUP%
gdudedhnumnr
devmsroclingend
dolamAnAlon
STATE IDIA I ARMY I NAVY I AIR NSA I16N OCR
50X1-HUM
Army/FSTC, Navy/STIC, Al TD
(Note: Field distribution indicated by "#".)
REPORT ,INFORMATION REPORT
5
4
3
2
50X1-HUM
Col%1
c Cer
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SECRET
NO FOREIGN DISSEM
?
?
?
DESCRIPTION AND MAINTENANCE
INSTRUCTIONS FOR SHIP'S
LOUDSPEAKING INTERCOMMUNICATION
EQUIPMENT
nv-
(English Language)
SECRET
NO FOREIGN DISSEM
1GROUP I
Excluded I am automatic
etowngrodg ond
declassification
50X1 -HUM
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A
S-E-C-R-E-T
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DESCRIPTION
A ND MA INTENA NOE INSTRUCTIONS
FOR SHIPS 1.4011 DS PEA KING
INTE RCOM M UN ICA I ION EQUIPMENT
Q
S-E-C-R-E-T
NO FOREIGN DISSIN
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S-E-C -R -E-T
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COSTEZITS
50X1-HUM
:}InCRIPTIOn OP SERV/CE AND BROADCASTING
7.-luirSLATION CIRCUIT WITH TYPE 71 .*2
AUXILIARY TRANSMITTER 3 - 20
rwenviot epanitII n
DESCRIPTION AIM MAINTENANCE INSTRUCTIONS ? ? 21-34
DESCRIPTION OP ONN-WAY LOUDSPBAXING
COMMUNICATION SYSTEM . 35-46
DUPLEX cOmiutricAnOir dIRCitItr 71ITIT
CIPICULAR biliC113 ? ; . , . . .? . A ? 4y-56
SUPPLEMENT
S-E-C-R-E-T
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0=
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50X1-HUM
DESCRIPTION Op SERVICE MD BROADCASTING
TRARSIIISSICIN CIRCUITS WITH TYPE ?2
AUXILIARY tR,ARSICCTTER , ?
NO FOREIGN DISSEM
V.
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D-L-u-n-o-s,
0 No ForeignDieser]
- 3' -
I. rni342 50X1-HUM
7ranz1atiun circuit with 251 simplifier IA designed for
ocarri communication and broadcasting from any one of the 2
owitchboards through the three translation liner, and for broad-
..Jsti.. ...cm local microphone, radio receiver and'epecial trans-
linelsound reproduction is ensured as well.
The circuit provides for magnetic recording and magnetic
recording reproduction. The equirtentili.designed for continuous
operation in the .following oedditibhey
(a) temperature variatione-fitieitt'et to .506d - for mdcro-
Lie - ?
phones and devices of saterpriOtsie.iiiikeniterature variation?
from - leC to +50?C 7 for ntliki.kkgik4t
(b) relative humidity ot'Ottp to-199%;
?
(c) vibration, shaking, etiikts are Within specifications.
a. dIRCUIT COUPOSVION
Translation circuit With111-2 auXilibry transmitter includes
the following device's
(a) auxiliary tranemitterTfl-2;
(b)switchlsoards K-3 and R-3
(e)rectifiiire. B-I and'a-I D;
(d) microphonesP141-I and ti4?-2 for command tranamlosion;
le) plate fer mounting microphonetvi4(-I in shielded spaces;
(f) protective can 354 for mounting microphonet.14,-X at the
outdoor posts;
() radio receiver;
(h) microphOnoMi -6 for broadcasting;
(i) electric phonograph ;
3) bore loudivimaskereirP-ii;
S-E-C-R-E-T
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No Foreign DiAsem
?
-4-
aiZcutor louarpea!:,fl,-, (only for shielded sooner -3
50X1-HUM
and -4;
(1)volurm controller ;
(r) cparco -2.
III TECHNICAL DATA.
1. '21.w:elation circuit ensures:
(a) commantL transmission from two equivalent switchboards ,
broadcasting from receiver, local micrOphone,Special transmission
lines, seund pick up and magnetic recorder, through the three
loudepeaking lines " CnEPAAbil ". ("Special"), "WAP" and
Miring spaces") and " SEPXHA, (IVOR ",(RUpper deck"). Magnetic
recorder is not included into the seuipemnt set;
(b) possibility of broadcasting from mmitliblinra through
translation line "yel.,WA" ("Living .paces");
(c) possibility to cut ou, the broadcasting huring transmis-
sion trot switchboards;
(d) sIgnalization showing that translation lines are ?coupl-
ed by transmission from switebbeirdat
(e) signalization showing thatitihntlation lines arc ready
for broadcasting; 1
(f) eignaliSatiOn on:All the trititehbditride 'indicating that one
of them is switched on;
(g) possibility Of listening to and control of the transmiSsion
level at the amplifier outlet and at translation linsS;
(h) signalisation indicating presence Of voltage at ac.
feeder and presence of amplifier supply Voltage.
The circuit is ready for Operation practically at any mo-
ment encept for artistic transmission from radio receiver,
-E -C -R -E
NO FOREIGN DISSFA
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50X1-HUM
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? 5 ?
Foried of tine (3t - 36 0000 required for heating the
cathode:3 of the tubers determine the readiness of the radio recei-
ver for operation:
two feeders supply the equipment with single-phase alternat-
ing current 2207,50 c/s. Changing ever from one feeder to another
in effected manually. The eqUipment provides norms' operation:
(a) at continuous variations of the feeding sins voltage
trithin ?97, of rated value; ?
?(b) at intermittent deviations of the feeding swine valtage
fret: -13r,1 to +13,7', of rated value;
(a) at shortaterm variations of the feeding! ins voltage'
?frbm -25% to +135 ot ratea vale*.
Auxiliary transmitter power consumption irlitn suPpliad from
a.c. Maine 'loco not exceed 90 VA at. coalwO.S.
0 2. thin charactarirttica of the translation !circuit with
an auxiliary tralenitter:
(a) rated power output at 36 ohm load- does not exceed 2%;
(b) rated output voltage 30v;-
(c) rated voltage at the &spiffier Circuit input at rated
output poser deco not exceed the valuent for microphone input
of the auxiliary transmitter - 1:7 mV., for microphone input of
aritchboarde a 111:- 4 mV, for special trent-mission lino 313 input
- 3V, for input the it lip K " ("Receltrat") a 0.7817;,
(d) harmonic distortion coefficient in 100 4 6,000 c/e
frequency band When tranomitting from the microphone input of the
auxiliary transmitter don not exceed 751 when transmitting from
?seitchboarde in 500 4 3,500 a/o frequency braid,- it doss no; mad
65 1
(S) rionunifOrgity of ft-town reaponto in 100 4.] 6,000 Lc/o
frequency band relative to ito vuluo at 1,500 o/is frequency
S-E-C-R-E-T
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No Foreign Di'ssem
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exectd 4-41-1
50X1-HUM
(f) at load ohedding from 36 to 360 ohm, the output voltlge
of the crplificr changee not more than by 7U:.
IV DESCRIPTION OF CIRCUIT OPErtATION
Separate unit of auxiliary 'transmitter TI I -2: microphone
ardplifier , amplifier 79 -25 and commutation elements, are shown
In the diagram of the translation with A 25 W.powsr amplifier
(see SupplIments).
Artistic transmissions should be conducted from the local
microphone P144-6 through the circuit consisting of 3 auxiliary
transmitter amplifiers:9:1,7'9.43 and T9.-25: transmissions from
the radio receiver or from the special triensmiciien line are
conducted through amplifiers T9 -3 sedr9 25..
When conducting command trahanfisaione &fro* the aw!!ltenboar? -
relay of the auxiliary transmitter huts' the broaddeaii)1kH tiptoe
off the auxiliary transmitter iinput.
neniqmAAbH ("Special"), "X4vmSH' ,1"Living 10400E" and
"6 iplAvep p ("Upper deck") loudapeaker communication lines, Can
be connected to the inpUt of the amplifier circuit by means of
commutation elements. Considered below is the twitching on of ,
the auxiliary transmitter power supply. 220 V alternating voltage
is supplied to the plug connector contacts of the auxiliary
transmitter Tf1.2 from 2 feeders:
- to is 5/1 and U/9/2 plug connector contacts from one feeder,
and to U110/1 and 1U10/2 plug connector contacts,
- from another (see diagram Of translation equipment connec-
tions.)
Auxiliary transmitter T/11.42 power supply Can be out Th by
s S-E-C-R-E-T
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t:171-; forfvi.tic. 11ea the awitoh is in
tziD tflliFuittur takes power from tha shore supply :o-
r:2c4 t'-.i switch is infgelfrposition, the auxiliary tir:me-
rlttcr is fod from the feeder of r0-1 convertor control board.
1:Caler rupply switching on is indicated by the neon signal lump
c Cyr " ("Mains") lighting'up(on the auxiliary transmitter
The lamp "LTb N ("Maias") im connected to the circuit it
parallel to primary winding ef transformarTwist rectifier
I-3.5. Rectified voltage 2* is supplied $0 14-1e-5.6 (plus) and
14.-R-e5.6 (minus) natant*.
Translation lines being oft (fi4,85,116 'witches in the "off"
position) and auxiliary transmitter feeding being an, P3,P5 and
P7 relays are energise& 'thus shortelvaniting all the lines.
Comeand tranamikailen is carried gyres 1t illatanc4e41?
Tramalatiem lime iimdiehileg ma from the apieddhsunt in affected
by turning the leiteleandla aerrempoRdSwg, to this line te."13KA0-
("Gm") Position. lost ni APnIndAr the twanmoisaled from 1C3 switch-
beard three mignswOw ("Xising aPaner) titles !ha Simile et
'mita 83 of the awitakpart at be eat to 14 8kn II ("On") posi-
tion. Contacts 15-16 when eland cut om relay P4 winding sUpply
eironit ef the se:ciliary transmitter Tn.2. SimoltaneOusly releye
P9 of the auxiliary transmitter 711-2 operates and supplies 24Y
power be yrs, T9-3 and 1-9 045 amplifiers.
Relay 114 operates and contacts 4_5 'break the relay P5 dircuit
sad sememets 1-3 eenneot the audio circuit from the switchboard
metpud to Os inpm$ of amplifier 19-3. The audio voltage awn.
fled bytTrif 1SR411444.5 amplifiers is fed to "X" and "V wires
set,,I)KagAA" (114paresses") pas; at the same time "CM and "ww
enilu 4 S ital. b4n 41Werted.
?
? I
/44:, .
NO FOREIGN DISSEM
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0
51?11
NO-Foreign Dfssem
eneniien constant Icvel 'nCr.
GC7:-.11:d Ctflar.j . ion tr.:: is r.C11.151
tra.ersissiona.
sich F) or the exitchboard ic cut on,
uituvi2. the Hiec.v..an(" Living space.') line switch u' switch-
Jrara ? Cor trsnolation through tranelatio.L lines 11S. up,
that the line is buoy. For artistic transmission, alit in
o.rcc.peratitc. tut.bler switch on the suxiliamy transmitter
rer rental-I,: on the "Ittneee" (*Living s?'") line , cut
Ic r15 turblnr cwiteh. The 'supply circuit Of relay P5 ia broken
-2". output is connected to ? ...Ind ow" wired
eXIVIAQ" spaces") line.,
tlhen broadertatin,,, from tin auxiliary troommitior. wire "K."
it cl:reed to wire *0" through coniatts a4 off relay .141. Contacts
2-4 of switch 'fl-5 clogs the supply eiteMie o& libe lamp 4We
"flrueu" (*Ready") which shows that ths,AMeitio reedy for spore -
tion.
To conduct transalesione fres the mittroadtems, switch DI must
be cot to the position *PIIIKP" (*itiore*). The microphone flitch-
in, on is indicated by lamps AH4 and 4H5 (lusinous plate
rit.1141.4104,0H HAAMOEN m "Microphone ens) lighting up. Por transmit-.
Glen from the receiver, cut on tka n Ce r&. (*inion) twitch,
TL-: receiver in fed. The 115hted lamp " re Fos? *Moody" ) at the
711 -2 chows that the circuit is ready for operation. The signal
roc 4; from thr, rouivor input to the amplifier -3 of the mania
trascritter rri
Pot pound reproduction, neitc;h the iottnd 'pick-up of ttc ele-
ctric pLonoltragn In the reoeiver socket "369KOCHMNAtfab
("rgiunci ric2;-.414), aro feedinl vitro plug of the electric pixono-
rX:Qh - in the receiver cooket ni4?10P (*rotors). The reecivrr
turbl2r czitcL fl hwald bo iu '36swelnum4rn Cr:5=1 p4ck,up.9
S-E-C-R-E-T
NO FOREIGN DISSE/4
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0 NOForeign Dissem
pooiticen.
50X1 -HUM
if the command und artiotic transmissions happen to be
eorrie in throuGh the same line and simultaneously, amplifier
7j-/ input in cut off from the artistic tranamiscion oouree and
in connected to the emitchbeed lines input.The lamp" 3A Hpro
(9ucy") at the rn -2: lights up at the same time. Acoustic con
trol of the transmission level should be carried out with the
help of a monitor loudepeaker connected to the radio receiver.
V. DESql47110 OF Magi MMUS
Auxiliary transmitter 110 2
The auxiliary transmitter 111-2 consists of the following
portn: microphone amplifier 911, translation amplifier 19 -31
translation amplifier TY-25..relts panel Pp-3, rectifier 3-3.53
panel and came.
-Schematic diagram of 111-2 is ineluded in the diagram of
translation with 25 w power amplifier- (see Supplements).
1. Micf0Phnho nrOlifler YM is designed for -preamPlificstien
of trattsmission.from the local microphene.The amplifier consists
of three amplifier stages of rn136type crystal triodes KI (1 Pc.
and ni5A type crystal triodes 1(2 and K3 (2 pos.) and type 15A
motientary-duty amplitude litter conprining diodes 41-42 with
grounded enitter.
?' 'the microphone &spiffier has the folloWing haeic parametert:
? (a) output voltage at 600 obi nominal load resietanse is
above 0.78 V with input voltage not (exceeding 1.7 117;
(b) nonlinear difloPtion ecefficiontith nominal input
voltage in 100-6,000 cie trettuency bind dee* not meld 3%;
bas1/4greand min level at the aglitter output. 400 Ohm
resistanoe,flth the input closed to 600 ohte,ie pot ON than
NO FOREIGN DISSEM
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No Foreign Discern-
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50X1-HUM
:.Irplifitr 11-1 -3 in deair,pted for tanclation
.1:1.0 amplifier ic aafter.blea according to the diagram
Groundod emitter, and conflate of two atagoel pro - amplifier
ntanz.? on ill triode of !"i?i b type and two-cycle output ctage on
to triode') F.2 and K3- of !hi b type. The rectifier of the auxi-
liary transmitts4 applies the amplifier with 24 V voltage.
Amplifier TY -3 has the following electric parameters:
(a) power output at 1500 .c/a frequency with 300 ohm load
raeictanas is mere tham- 3v;
(b) nonlinear distortion coeffioiant in the frequeney band
from 100 to 6,000 c/a does not exceed 9%; ; ? ,s
(c) iimplifter input voltage is las SR 0.76 V;
(d) background noiee level at the aplifier input at 300 egus
resistance and with the amplifier input ciattried to 600 ohm reels-
tones not more than 120 etV.
, 3. Amplifier TN -25 is intended. co tranaiesien amplifies-
;
tion. The amplifier consists of a twetcycle stage on two triodes
K1 and 12 of ILI b type with a coalmen collector.
The stage is iontutoted to the transforear
primary winding: the,apl.ifier signal is token tiff
tranefotimer seaondary4winding. Rectifier 111-30 ?itnippliee the awl.
?
Puffier with 24 V voltage. Amplifier ?945 hal the following
electric Parameters i,
'(a) Pettier output with 36 ,Ohin.lott4 Seittatve is more than
25!,;
(b) nonlinear distortion coefficient in the frequency band
Ira 140 to 6,66 cis is less than 4 %I
(0) amplifier input Voltage is lea than 35 V;
(d) background nape level at the amplifier output et
recistince dose not exceed 150 mV;
NO FOREIGN DISSEM
36 atm
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0 No Foreign Dissem,..:__
,
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4. Relay panel fil)-3 is intended for commatakki_i_itAectric
circuits in the auxiliary transmitter 113-2 circuit. Relays
inotalled on panel lip-3 are used for tha fallowing purposes;
(a) relaye P2, P4 and P6 operate when commend transmission
from the switchboards is witched on;
(b) relays F3. F5 and P7 ars de:Signed for connecting the
loudspeaker lines to aMplifima - TY- 25 Output:
(c) relay P1 sertee.for audio circuits commutation of
amplifier 19-3 input. and for signalling circuits commutation;
(d) relay 28 ii Intentle?or forbad bridadcastpg through
the NJOIAA911 Apadeer4 liney, , ? -
5. Rectifier B4.5 provides powtr;fgrI-Oplifiersoith seat.:
. .
conductor,triceea 44 fcr7sitnaZling'tiro-040. The rectifier is
sesembled acoerdiAg to ahefdli-wavApr4,40.,qitaht4ifith A n
shaped filter. The notifier is fed 4oin sts 5o ole
a.c. mains Tumbler Seitch-B1 mustts eithei. in 127 B or IA 220 B
position according to the Mlei.ni voltage.- '
Rectified +tags is stabilleed.
The rectifier has the falloling electric pareMAtarei
(a) 24 V ? 1 V rectified voltage;
(b) pulsation coefficient at the filter output io lees than
500 mV.
SwitclbolpOS> 1-3
Type X-3 (It36) switchboards for three directi0141 41Onaist
of the following main parts': housing, control panel, eampem
Siting filter - (44, microphone amplifier (YU) differential
system (AC) (according tO the number of communication linos)
and mamma 'amplifier Kyslo.
1S-E-C-R-E-T
_ --NO FOREIGN DISSEM t
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0 ? No Foreign Dissern-
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GolosicatIng 211ter
The compensating filter proviies tte required frequency re-
sponse shape of the oesipasiattion channel.
Filter electric chatOsterietioi.erm the following:at 1,5000/s
frequency with 12 aff Inpu, voltage and ?20-eta load resistance,
filter fading is 20,..= 3 titer.,
At 1,500 c/a frequency:niter input remistaneb is 1,000 =
201., ohm.
50X1-HUM
MiniteDbOne,stasil.ifier ? ?
Microphone amplifin &IM e itrO4 ?for operation in tonarunios-
tion c}uuusela and for velkagtiriptaamplifiostion. .
The amplifier ,coshliatecrf three amplifier stages with
crystal triodes nab *1 pt;) Ahs nisA pcs )faad
duty amplitude 11mitirr With 404:3 /420(.2 Veit%).
Microphone amplifier VII /in tn'toll'Oring paisatters
(a) at 1,560 as fr4tItiol-Abd*400 obt nominal load. resie-
tance? the output voltage 1i tiore-43*in-0,3 V;
(b) in a band of 500 to 9?,5?60 els the nonlinear distortion
coiffibient at the output voltage deal:: not okeeed $rt;
(c) nominal voltage at the amplifier input is 0.6 + 0,1 oVi
(01) the background noise level At the amplifier outpist with
the amplifier loaded to 400 ohm resistance and the input closed
to 60Caliams la 3.12 times less than the nominal level;
(e) at ;500 o/a frequeney;input reaintasioo in 700 ChM =100ohm
(f) at a frequency of 1,500 tie and 400 ohm. load, the ampli-
tude characteristic of the amplifier differs:from the linear one
not pscre than by ? 20.1, (within the level ranging from the neminal
-
tibmentary
?
NO FOREIGN NISSEN '
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b-t-u-n-L-17
0 No Foreign Dissem
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val;:e V: the value 100 timea lees the nominal);
50X1-HUM
(a) if the input signal is 10 tines the nominal one, tho
arplifier output voltage increase/ fly 25% as compared to the
value specified in paragraph;
(D) frequency response in 500 3,500 band is linear
with deviation not exceeding t 25%;
(i) if load resistance varies from 100014m/to 2,40Cohms tbe
output voltage varies by 2,1; and less ;
(j) amplifier power conshaptiondoerbot *meted 15 mA d.o.
Differential _SystinefiC,
The differential system connate ?of a triple-wound differen-
tial transformer and two frequency - separation athplifying chan-
nels iasieeoled on fl15A tribdes.
The differential systems have the following paraieeters:
(s) input resistance from the line side is 600 aims it .5%;
(b) input resistance, from the microphone attplifier lade is
Cler8 thaia 2,400 ohiest ?
(C) inpUt Veltege, from the microphone side, necessary to
obtain 0,76 V voltage at tha Artificial load of 600.ohm line is
0.3t0.6 V;
(e) with 135-ohm load resistance and power supply from the
C478 V Voltage lino,. Output voltage is 240 mV t 20 VI.;
(e) balancing Coefficient it the frequency band (effective
range) fret 500 to 3,500 o/e is better than the following values/
at, 500 c/a frequency - 10 tines
at 1,500 es frequency - 10 times
at A500 o/a frequent-Y. ,- 5.6 times,
(f) non-linear distortion coefficient. in the direction:
microphone amplifier - line dens not trend a cl
NO FOREIGN DISSE24
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50X1 -HUM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-C-R-E-T
0e
No Foreign Diesem
- 14 -
(,;) non-linear distortion coefficient in the direction:line-
- differential syetem output *does not exceed 3 %;
(h) during the reverse pessing of valtage from the output
of thi.: differential natio: to the line , attenuation is more
thin 1 !,o3c. times;
CO in 500 to 3,500 c/a band frequency distortion relative
to 1,500 as frequency in the direction:microphone amplifier
does not exceed t 25 fc;j
(3) in 500 - 3,500 Ws band, frewandy distortion. zilatiire
to 1,500 cis frequency in the directibruline -differential eye-
? ? ,?-?;
tem output doss not exceed '1" 251. ? ?
Amclifier N4 -_10
Amplifier KY -10 is designed for speeth tranemission
fication,
rain parameters of type KY- 10 amplifiers era the following:
(a) at 1,500 tie frequency and 30 ohm nothina1 tload, the
power output is more than 10 W;
(b) coefficient of non-linear distortion over the what: of
500:3,500 cts frequehcy range, at nominal power does not exceed
Br;
(c) input voltage is loss than 240 mIri
(d) at .frequency band from 500 to 315t0 Cie distortiOn're--
.1stive to 1,500 cis frequency don not exceed t4Or.:
(e) batkgrOund noise level at the Amplifier output With the
Input terminate closed to 440 ohm resistance is at least 250 fla-
me len than the- tranamission,noitinal, '
(f) eaplitier input resistance at 1,500 0/0 frequency le
more than 440 earn
le at a frequency of 1,500 ,o/e, the amplutudo 0haratteris-
1 S-E-C-R-E-T j
NO FOREIGN DISSEM
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
No Foreign
.
Foreign Dieseem ?
-15-
0
di the amplifier
41114" 141" 3410: "IS 1.60X1-H UM
tcnn 25C (wit/120U /Me morwititifiastun youe to
t7.7.c. value 10 timeu les them the 004111044
Uth levels pringt0g, fins filtlilOs 100 Sims Use than the
animal one to the v*lus ip Von 1a00 Or O. nominal, the
nmplitude oharsateriatio differs from itt lifiser one by not
nem than 17001
(h) quiescent turtohts of the implifieratst and second
stages do not exceed 260A; u,
(I) operation of the amplifiers is stale, with laid resis-
tance variation from 90 to 3.600 ohms.
Rectifier B-1 (8-)
type
Type 11,1 01,1 ) rectifier skald provide feeding' of
amplifiers and type /(.3 (L-3 ) commutator signalling circuits.
The rectifier is designed for a maximum' load current of 14.
Rectifier B-1 (3-1 ) helps to obtain the followihg Voltages and
currents:
(a) with /A maximum rectified current; 24 V ? 1 V ;
(b) with 0.3A maximum rectified cur ti-fl ?,1V ;
(m) with 0.3 A maximum rectified murrents+12 2 1 v
With nominal parameters of the network and with load
currents varying from the memilum values to 0.05 A, rectified
voltages have the following 10Wing Values;
(0) 24 V oirtuiterom 22 V to 26 V
(b) 12 V sircuiterom 11 to 14 V 4
Ripple voltage at the rectifier Output, with maximum load
currents does not exceed ;
(0) -24 V circuit! 300 *VI
(b) +12 V mirCuitt400
1S-E-C-R-E-T
,
NO FOREIGN DISSEm
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-c-h-L-1 ?
0 ----4o Foreign Dissem
-16-
network voltage varying by + 5% of the nnmqn+1 Ane.
t.a:" rectified voltage mite within + 5% of the va(17,1-ETed
n? te nominal nelvent voltage.
:1140141101111111,0 Oarreertorg
The elsotreenetetis aonvereore are designed for conversion
of scand oscillmiteme into electric smi's and vise versa.
ricrophenes end leudareallese in Rani ita,Oenvertors for
?Vetch transmission thraugh different licrotelephones
are also used as cavorters for opeseb and !mein transmissionw.
Purpose and brief description of elwatrearsustic convertors
included in the equipment set are given below.
ilorophones
Senote microphone* Mcn-1 with 7 m hoed are intended for
operation in communication circuits.
Ulcrephone M42-2 with a flexible stand is usualAY 101/tolled
indoors and when the pereon tarrying on trans/dation is constant-
ly by the casuistic,.
toineproof niorophone Omit: -1 used in adierophones Mt'-14
WO-2 hall the following parameter*:
rrequency bandwith 300 - 3,000 et's
Sensitivity at 1,060 tie 0.1 mV/bar
Impedance 600 ohne
Micropbonemci-6 is designed for broadcasting and music
transmission; it consists of a dynamic microphone MA ,stand and
connecting wires.
MicrOphonereharecteristics
1. Frequency bandwidth : 50 - 13,000 0/e
2. Output level at 1,000 cin frequency and 1 bar cOund
S-E-C-R-E-T
? -
- NO FOREIGN DISSEM -
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7:.
No Foreign Dissew,
0,
presSurs : 78 db
3. Electric impedances 250 ohm.
50X1-HUM
iWndeneektr rp -1
Horn loudspeaker Ip -1 is of waterproof design.
Frequency bandwidth 500-3,500 as
Sound pressure 410 bars
nominal voltage 30 volts
floninal power 1,3,5 and 1CW
Weight 4.5 kg
Iiiarlrom of the loudspeaker switching on is shown on the
shield of the loudspeaker case.
Loudspeaker G.) =3 .
Diffuser loudspeaker cp-3 ia designed for indoor
installation.
'frequency bandwidth 300-3,500 c's
Sound pressure 2 bare
Nominal pOwer . . . .. .. 2W
Nominal voltage ? 10 va s
Weight . ? ? ? 2 kg
Diagram of switching on is Shown on the loudspeaker ease.
Loudspesker -4
Diffuser loudspeaker rp-4 with a volume control provides
connection to two-wire and three-wire loudspeaker lines.
Frequency bandwidth . . 150-- 6,000 cis
Nominal power 2 W
nominal voltate
Sound pressure
Weight
S-E-C-R-E-T
30 volts
1.75 Wire
? ? .3.5kg
NO FOREIGN DISSEM
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Foreign Dissem
-
7.1nr.m of ie.:Itching on it fitted-to the loudararksv an."17..
a
-50X1-HUM
VI. SPALRATIN0 INSTRUCTIONS
1. Instructions for De-ices Switching
All the translation devices are manufactured for 220 V.
To critch the devices Over for operation from 127 V maino;the
totter catch is incorporated.
2. Order of Operation
Commandtranaalosions
For trananiaeion from; the commutator:
(a) Out on owitebbood povir supply. Set the feeder oitch
of rectifier M-1 to (1)111,6 petition.
The following signals will.ehow tun ,at Ithe rectifier -
"Crm, ("Mains") and "Mir yom " ("A40. feeding")., at the
owitchbovnl- " cii2H 0 ("Signal gteAtner) signal. Now the
evitchtmardis reedy for operstivn.
(h) c.ake cars Of Signalling. If the laW of one of the lines
lights up, the auxiliary transmitter is busy and transmission
is forbidden.
(c) If the auxiliary transmitter *pee, turn the line
switch to 06$0,0 (Mn*) potation.
(d) When spesking, hold the microphone dm from the earner
of.the mouth ( the Microphone inset being sidewise to the face).
Speak in the ordinary voice.
le) Turn the Switch "gaNKYA"P U ("Cenference'circuit")
handle ferxpinultaneoui trona:minion throngh,the three lined
(if all these lines ere- ton/tsetse tO tho conference circuit at
ttroSIUM40604) or turn the bindles of all the three switthee
(if the flne. are not connected to the conference circuit).
.NO FOREIGN DISSEM
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No Foreign Dissem
0.
- 19 -
(f) The transmission over, eat all the twitcher -- 1"4"A it
50X1-HUM
("Offs) position. ?
NOTE: During the operation, -2 auxiliary
transmitter feeding should be continuously
cut on.
Order.of_Droadcestlek
(Transmission fret' auxiliary drat:emitter Ti! -2)
(a) Cut on Ti! -2 :Wing,. sit_ the fedi, switch. to (PnPli
o ."_iiirt) and 11 Ibir YOIA
r WA & position. Then 164 "Con, " (
("Bect.feeding"Yon the euillikry trtfittitterebantil light up..
(b) Cut in the required lines C 11E4I;AAtilt, ("specisin),
niKAAAo ("living onoss"), "f5 nntivoA (100Pir deck"), if the
lemp 0/3APior0 0 ("Busy") bets not light upl 'fah lamp 01Sinto a
("Reade) light, up.
(6) When trent:piston is carried on from the local micrepho-
,
ne, turn switch Ill to "klutp"("Nictophone") position.
? (d) Carry on the ttantimission at a dietetics of 0.5 m from
the mietophone. Speak in the.prdinary vtice.
(e) TUrn twitch Bl to 4l Ap.m110: ("Receiver") position when
anermiseion is carried On from the rectiVer.
TODe Recorder ?titration
, (Taint recorder is not included in the set of equipm6t
inetalIed'onlmard the Ship)
Pb? tape reborditg
(s) Confieet the tape recorder input to 0701evim'eqg mArgar
("Telephone, ?Ape recorder input ") contacts of the receiver.
(b) Tune the radio receiver to the required station, adjust
normal recording level by means of the radio receiver volume
controller according to the tape recoftler indicator and effect
recording.
S -E -C-R -E -T.
NO FOREIGN DISSEM
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50X1-HUM
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0
S-E-C-R-E-T
No Foreign Dieser)
_
- 20 -
For reproduction from the tape recorder
(a) Connect the tape recorder output to the " iognousis OmicA
.'" ?LIVIrA " ("Tape recorder sound take-off") sockets of the
receiver and wet switch Di of the Til -2 to " il" i P1 " ("Reception" )
petition. Adjust the required volune by means of the handle
"q0:wo, " ("Lemel") according to the device nounted on the
receiver.
(h) Cut on the required leudspeaking lines at the Tfl -2
and start the transmassdon.
S-E-C-R-E-T
? .
NO FOREIGN DISSEM[
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S-E-C -R -E-T
- --- No Foreign Dissem
RECEIVE a 'BONO' in
DESCRIPTION AND KAIik:PENANCE` INSTRDOTIOIS
?
? A
?
47?1:;-:
I ?
-R-E-T ,
NO FOREIGN DISSEM I _
50X1-HUM
I
?
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
,S-E-C-R-E-T
--- No Foreign Dissem
- -
50X1-HUM
rain Partioulara
teceiv2r is designed for aural reception of telegraph
:.7.-.ttai:u1 and tone) and telephone operations.
aThe rmceiver covers the range from 12 ko/e to 23,000 kc/a
with two gape within 60 - 100 kae and 1,600 - 5,000 kc/a.
The frequency range covered by the receiver is divided into
nine partial ranges, tie given in the tag.) 1
Ranee
No.
Extreme froquency.kaa
'Extreme bob:Leos
? -
Scale division
value, kc/a
1
12.:60
..
25,000-5.000
0.25
2
1006-180
3,0004,610
0.5
3
140-330
1,670-910
0.5
4
330-600
910-500
1
5
600-1,100
500-272.5
2
6
1,100-1,600
272.5-147.5
2
7
5,000-9,000
60-33.4
5
1
a
9,000-15,000
33.4-20
10
9
15,00423,000
20-13
10
NOTE flargin of frequency overlapping at the beginning and
at the end of each partial range le at least 25.
The input circuits all over the frequency range are designed
for operation with open antenna Of any length,
. The receiver output is deeigted for 600 Ohm load (amplifier
input) and a pair. of 130 ohm telehones.
iS-E-C-R-E-T
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19 : CIA-RDP80T00246A069800300001-4
S-E-C-R-E-T,
?No Foreign Dissew--
-__ _
- 23 -
7:e receiver Lac the built-in dynamic
at or,-, -9 tyre,
iae loudfTcalter can be switched off by a tumbler switch
fittou on the receiver front panel.
rounted on the front' panel are 1
1. lianze switch knob.
9
Tuning .mob.
3. Znob of intermediate - frequency gain control.
loudspeaker, 0
50X1 -HUM
4. Bandwidth switch knob.
Function switch knob.
6. Tone tuning knob Mr .
7. Knob of stale eleetrie correttor.
E. Knob of " TOKm MMI1 " ("TUbe current") switch.
9. Low-frequency gain control knell.
10. ?umbler switch for receiver out In.
11. Loudspeaker cut-in and change;steir switch.
12, Tumbler switch for translation curt in.
13. Tumbler switch for "ftniimmiK
" 3tWiThiCkinMATEIn,
" (" Sound Pick-up")
" ("Receiver"),
Mb.
Inside the receiver, on unit *oil is fitted a Orient switch,
The following tubes and semiconductor devices are *teeth :,q7
HOF. amplifier ? 6K4n.
1 at mixer . . ? ? 6 ? 6 ? 6A2n
let oscillator 6x2n
Crystal generator 6)(2n
Prequenoy divider 6)4c2n
1 et I.P.amplifier (915 Ws)
2 nd mixer 6Aan
2 nd oscillator 61(2(1
1 st amplifier of the 2 lid
Satan-Mint? frequency 05 Ito/s). . . (F4n
(:)1:0 FOREIor DISSEN
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No Foreign Dissemr
-
- 24 -
Ed amplifier of the 2 nd
intermediate frequency (85 kc/s) 650X1-HUM
Ylin channel detector 1102
'ira oscillator 614.2,t
tutcratie gain control amplifier 6)1(2r
ixtoratic gain control detector
1 st low-frequency amplifier . . . 6113i
Low-:roquency amplitude limiter42 pea 4102
?cower amplifier 6011
Rectifier 504C
Rectifying diodes for measuring
device MA, 4 pea 112-f
Voltage otabiliar cr3c
Current etubilizer 0.85D-5.5-12
LkItting lamp A - 17
Gas discharger 4378R
The receiver draws powir from 220 27 and 110 V, 50 o.p.t,
S.C. mains.
The receiver power consumption is not more than 105 VA.
The receiver consists of the following parts:
1. ReCeiver.
2. Spare parts, tools And accessories set.
Blectrin_ Character:it:tics
The receiver is provided With_jumping control of intermedi-
ate frequency pass - band.
The receiver selectivity(lel
Paso-bendwidth, ittie
Narrow "0.5" Sean 4,1.511 Width n6,,,
Attonuatign. db.
0.4 - 0.7 1.3 - 1.7 At last 5,.5 4
not more thau not more than not sot's Chu -
(:) 3 A
It 4
NO FOREIGN Dram!
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-C -R-E-Tfl
No Foreign Dissem
_
-25-
0
Attenuation of noise at the second channel frequenag0X1-121UM
at frequencies equal to the interndiste ones is at least by
time (60 db: all over 'the frequency range, except rangi
No.5 where the attenuation it the seceond chimmel is at least 50 db,
and except range No.6 with 20 db'atteiruitionirat the intermediate
frequancy ?
2he reoeiver input circuits provide the possibility of
reception without interfernics i;hen Qin.* is a parasite electro-
motive force in %he...antenna and that detuning depending on the
electromotive force is as followe:
?
Parasite electromotive force._ tiblative frequency detuning
value
3 volts
.30 welts
11.3 + 61r
? 5 + 1%
Sensitivity Of the receiver, operating with an open antenna
With signal/noias ratio equal to 5 and with output voltage at
600 ohm load equal to 0.0 V, is at least:
(a) >in 0,5 range, with continuoue telegraphy duty:
in 1st nay. . . . . 15 microvolt?
in 2 - 9 ranges 10 microvolts
(b) during reception of oscillations modulated by 400 cip.a
frequency with 30 modulation depth, in 3 - 9 ranges :
in 1.5 band 15 microvolta
in 6 band . 30 microvolts
(0) senSitiVity at the ultralow frequency inlet, At 10000
0440 frequency ic at leant 250 microvolts.
S-E-C-R-E-T
NO FOREIGN DISSEM
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
ECR-E-TA-
No Foreign Dissemn
:ft rAnle of :18U-15,000) kc/s, with pass-band
1-60X1 -HUM-
caivor panr,cs audio frequencies within 200 ; 2,500 c.p.e with
output voltage irregularity not more than 6 db; at ultTalow
freqUeLW: output it passes frequencies within 200.6,000 c.p.a,
with irregularity not more than 6 db.
Interrmdiate and low frequency gain contrbl is manual
within 60 db; and the automatic tgain control serves to maintain
the output voltage within 12 db whet the input voltage varies
by 60 db.
Frequency voltage at the Oscillator input over all Of the
ranges does not exceed 40 mierovolts.
Total accuracy of-calibration and of the, repeated adjust.,
mant of the frequency in normal condition 10 at least !

1 st range + 250 c.p.s
2 nd,3rd rangee; ? .500 c.p.s
4 th range t 1,000 copal
5 th,6 th ranges . t 3,000 c:p.e
7,8,9 th ranges . i 0.05 %
The receiver incorporates provision? for correcting the
exact scale according to the inside crystal calibrator.
Frovisiona are mada to limit the low frequency signal
tude, which increases the output voltage aMflitude not more than
by 25%, the signal at the ultralow frequency inlet increasing
by 10 times,
Receiver Ileetria Circuit
The receiver in made according to the superheterodyne
circuit with 14 vacuum tubes of 6 V series.
The roceiwx in charc.ctorined by double frequency convernion
in 6 - 9 :wile? and one- hop_connraion in 1 - 5 ranges.
0
NO FOREIGN DISSEM
Declassified M Part- ;Sanitized CopyApprovedforRelease 2013/02/19:CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-C-R-E-Th
No Foreign Dineen
- 27 -
' 21.4 first intermediate frequency is 915 Ws. The
50X1-HUM
intermediate frequency is 85 kc/s. An automatic gain control is
urnd,
. Provision is made to controlourrents of 10 tubes in the main
cht.-,nel and to control 30 v translation line. During normal
opention of the tubes the control device pointer is in the
shaded sector Of the meals. When a tube is out of order (or is
shorteircuited) the control device pointer gets out of the shaded
sector, thus indicating the breakdown in the circuit of the tube.
?
Tube 'torrents and translation channel voltage are control-
led according to the order given in the table
"Tube current v
WiclIn Awn ,
twitch position
Tube controlled
Al - 1 (H.P. amplifier)
2 Al - 2 ( 1 st mixer)
3 41 - 3 ( 1 at oscillator)
4 43 - 1 ( LP. amplifier. 915 kc/s )
5 43 - 2 (2 nd mixer )
6 43 - 3 ( 2 nd oscillator, range 5)
Al - 5 ( frequency divider, range 4)
7 42 - 1 ( 1 at amplifier of intermediate
frequency, 85 kap)
42 - 3 (2 nd amplifier of intermediate
frequency, 85 ko/a )
9 43 - 4 ( L.P. pre-amplifier)
10 14 - 1 ( power amplifier )
(Translation) 30 V translation enamel
S-E-C-R-E-T
NO FOREIGN DISSEM
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
(:)No Foreign Disney].
- 23 -
ler..trol tear the tube turret nhAnormo:to is effect:A in
( -HYM Calibzation ) duty. at mnzinum inter=diato frequerwn
at rinifun lom7frequonoy gain in range 6; frequency of control
in 1.1 m.o.
Tube warrents of eryntal generator, 3rd oscillator and
automatic gain control amplifier are not controlled.
S-E-C-s E
NO FOREIGN DISSEm
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
(:) No Foreign Dissem--
- 29 -
M.UNTENANCE INSTRUCTIONS
Before operation open the receiver
wa_ns switch is in the proper position.
mwitch is turned to 220 V Position.
If the mains voltage differes from
50X1-HUM
and make sure that the
At the manufacturers the
the above said , set the
switch to the required position and replaoe the protector IA
with the protector 2A. Set the "Cult, " ("Mains") tumbler switch
to "fr.,0togloG " ("Off") position. Set the rest knobs to the
following position 4
" 9(nAkswo 04 " ("L.P. gain 11)
"YLsmomEC flt4" (" I.?. gain")
"Tdt4 TAr " ("Tone telegraph")
"romarm-owKA "("Translation o
"flemimmmm havacHmm
("Receiver - Sound pick up ")
"ro non ("Loudspeaker")
"Pm pAtiaw " ("Punctiot")
" nonocA ny " ("I.P. band")
fit)
to the extreme right
posit Son.
to the middle position,
to the middle pesitiet,
to off position.
to "roceiverrposition.
td'receivexeposition.
to " " ("Telephone")
position.
to position 6.
Switching on and off
To switch on the recoil/flit:tot the "CrroaDMVAgNCOO "
("Maisie - Off ft; tumbler switch to "err& " ("rains") position.
If the receiver is in good order, a chareoterintic noine
aprons in the loudspeaker in a minute after ewitohing on the
releiver
S-E-C-R-E-T
FOREIGr DISSEM
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
0
No Foreign Dissem?
___ -
- 30 -
,Ite noise must increase when the PR% wevit;
k?lot to set to position ("Telegraph"). Then
rat:elver to the broadcasting station.
To switch off the receiver, set the tusibler " Cr b
("keine - Off") to position "13whmetthtfe " ("Off").
50X1-HUM
tune the
I,
balks
Tuning is effected after the receiver is switched and
checked for proper operation and calibration.
To tune the receiiier process% as foliose:
(1) Set the required range.
(2) Net the pointer against the requited frequency by turning
the tuning knob. ?
(3) Obtain the best volume and quality of reception by turn-
ing the tuning knob
(4) Obtain the most?advantageous !coronation of signal to -
noiee and set the required Noluind by turning the knob "iknAciair: H.4.
" and "YowiitiL tiM" (fl..?. gain" and IS. gain").
(5) To send a signal froai. the tranelation receiver outputs
set the %knob "9014Efik. f-114 " ("U.?. gain") to the extreme left
position, end the knob "Tpnitui iiihmowsio 0 and "fp-Ab" and
OT0101 A4P111. ,("iranoleition - Off" and "Loudspeaker" and "Tube
current e" ) to position " rim MCA ("Treintlation" )
Then adjust the voltage in the translation channel according ,
t& the device by the. knob " Yertnertht PLI ("L.?. gain"). The devise
Hi;f0.1itter should not deviate beyond 30 V marl.
? ,Tha receiver incorporates Et means to connect a tape floorder
for redid transmissions recording with the help of jacks
"fixi24.m411i rcisfeVn " (" Tape recorder inlet, telephone").
To reproduce a record connect the tape recorder or sound
Pick up Outlet to Janke "6u104 MA 3A9Koto " ("Tape recorder or
q?S-E-C-R-E-T
.F ? a
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rourni rink up") and at the switch "fliNinfirt. 3thAti1 "565C1146-0
- sound pick up m) to position "313youl " ("Sound pick up").
The receiver is awed to reception of service correspondence,
of damped, continuous and tone modulated tslegrephy and telophonY.
In can the station operates in a damped or continuous
osoillstiOns duty set the knob "Pon pAborbi " ("Punction") to '
petition "TAT ("Telegraph") and the rape "701( ..rAr 110
(nrOnib - telegeaphy") to the mark.
Tune the receiver to zero beats of the station signal and
then chose the required tone of the beets by the kno-b *roll --/-Ar
("1/Ona te)agtaphy")
.Somstiseee it is nseessety to tune the receiver by turning
the knob once more to chose the moat advantageous ratio between
the frequeney of the tone and its volums.
0 It is recommendable to change over to 1.5 or 0.5 band in
ease a neighbouring radio station or any other interference is
heard together with the signs.l.
j_ than changing bands, use the knob "TOR -rAr ("Tone -Tele-
? graph') to Obtain proper- audibility. .
to receive the continuous **siltation*, set the knob
?gointiwri, If q (010.10, gain") to the position of maximum ampli-
ficition, at the as tirs,rguleting the signal level by the
.knob "Yctineh$F. flq " ("I.P. gain") only. This makes it possible
to avoid claps during reception ant to chose the most favOurable
ratio of its own audio signal to the audibility of the corree-
Pendent in ease Of semi-duplaz operation.
Checkintad_Dperational Cdrreoti3On of
C4ibratio4
Checking up end correction of the calibration of the receiv-
er Si stunted in nage the ?panting oondition* require 'streaky
0
NO FOREIGN?DISSEM-
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S-E-C-R-E-T
ffa.?
No Foreign Diesel]] ?
- 32 -
exact calibration of the receiver. Do it using the 1n55-0-X1-HUM
crystal calibrator by means of electric corrector.
TO check the calibration and to correct frequency :
1. Switch off the antenna.
2. Set the knob "TOH TAI' " ("Tone - Telegraph") exactly
.to the park.
, 3. Set.the gnob "Pee P4Dorbi " ("Function") to "
AICA1ibration01 position.
4. Set the knob "YCHAEHME FR/ " ("L.P. gain") to the extreme
')Hight posit-ion, which amounts the maximum volume of beat tone
ct.6165. .
Adjust the required range ?
. ?
6. When calibrating in 1 - 5 th ranges, set the crystal
4
"changetker switch to 100 and in 6 - 5 ranges to 1000
. 74 By turning the tuning knob set the scale indicator
'againet the quartz point (marked with a white figure against
blabk backgrounn), placed near the operating. frequency .
?13". Turn the tuning knob until the quartz point frequency
value in sot against the mark on the micrascale screen.
9. Press the electric corrector knob to engage it with the
capacitor axle and then tune the receiver to nitro boats by
turning the knOb.
. Usually the calibration varies little and uniformly all
over the ranges.
Disturbance of calibration in any one range Shows the
rreuge is faulty.
pitecking tug CeaTection q Calitrration
Pay particular attention to the receiver calibration..
nr10.41ionny (at lent once a month) check the calibration of
0
NO FOREIGN DISSav,
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0 No Foreign Dissem
_
- 33 -
tho receiver all over the ranges; after theredeir and replace -
tient of oscillator tubes the calibration cheek is obtic922HUM
'caring the replacement of tubes of the 3 d oscilLstor.lar,
discrepances in calibration may occur in 1-5 ranges. The Bart
ray take place in G-9 ranges after replacement of the tubes in
the 2 :id osoillatordnother ranee diocrepancea in calibration
are negligible. In this CA80 eliminate the error by tunin; the
oscillator oircuit.
If calibration of one range iv ditturbed it MOOMA that
the range circuits are faulty.
In this case tune and repair the range by adjunting the
inductance and capacitance of the circuits according to the
calibrator and standard-signal generator ( ra).
then calibration is shifted to one side (with equal spat:sings)
at the beginning and At the and Of the range, After repair or
when the scale display is replaced by any reason (after the
machinieslrepair), correet the calibration by the optical sys-
tem mirror moving it with the help of strews it rests upon. For
this purpose tune the receiver to tore beats with the calibrator
signal and set the frequency welts of quartz point against the
mark an the dull glean by moving the mirror.
It the calibration error at the long whys: end of all the
rang*, is greater than at the short Wan end, correct the
calibration by moving the mirror at the and of the long wave range
4
To correct the calibration at the !end of the short
wave range, nee an electric corrector.
If the short wave error is greater than the Ions wave ond
use an elootrio correetor.
If checking of calibration in 1-5 venom reveille draotio
disagreement in calibration at freeuincies multiple to 25 kW?
(fretiaineies maltiple to 100 kola being at the right place)
with sharp increment Of number of high harmonics not multiple to
S-E-C-R-E-T
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_
0 No Foreign Dieser):
- 34 -
25 kas, the frequency divider is out of order.
-
In suet case, adjust the divider duty by turning50X1 HUM
--
able resistor RI - 28 eo that to obtain frequency division
multiple to 4.
Remember that only an experienced specialist with a epecial
instrumenti can tune and adjuet the I. at, 2 nd 3 d oscillator
circuits as well as the circuits of the high and intermediate
0
frequencies.
TO tune the high frequency Circuits Of 6 a 9 bands, remove
the plate with the circuits from the drum, warm the plate up
at a temperature of #(40?--50?)C until the braking lubricant
(which flat the tuning slug) becomes-soft Old then mount the
plate in the reosivar and tune it smoothly turning the tuning
slug,
lazing the receiver by ear according to the receiving 'station
results in complete detuning and deterioration of eleetfic pare*.
meters.
Adjustment cif Nirror
To adjust the morrorolakon the locknuts and turn the
sort* until the mirror is in the required position.
S-E-C-R-E-T
-
..0 FOREIGN DISSE14
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0S-E-C-R-E-T I
No Foreign Dissem
50X1-HUM
Q
DESCLIPTIOK Cr ME?WAY LOUDSPLICKING
C OMMUSIC AT I COI SYS'S It
-R-E-T
NO FOREIGN DISSEM _
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AS-E-C -117E-TAL
Cr s
No Foreign Dissem
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- 36
Ial?URPOSII;
50X1-HUM
1. rya squipswnt is provided for one-way loudepeaking
4/14410 and Ship-to shore communication .
2: Wit? seuipment Is designed for long term continuous opera-
tion ia the following conditions x
? (a) at temearieture variatiins from -480C to +500C (for
deviate of, waterproof versiotrand aticrophonee) and' from -100C
+50sic (fir devises of splashProof version);
(b) at ipoilteased relative luuSidity up to 58%;
? (c) at shaking, stocks am vibrations in accordance with
the existiag standards.
U. SiSTER C016)001;/233
3., Thu one-way loudspenking comnruktication? system 'includes::
(e) GYM megaphone control device;
(b) 50 W megaphone amplifier with Mg rectifier;
(c) tar -50 antiballistic megaphone with 1.1r - 50 turning
mechanism;
(d) 1 microphone;
(e) plate for mounting 11W- 1 microphone when the megapho-
ne control panel is indoors;
(i) 39 protoctits box for mounting LKP- 1 microphones on
Open poets;
(g) 314-6 bor with spares;
0 (h) bot with spares.
NO FOREIGN DISSEM
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____
0 No Foreign Disown,
wn 1
- 37- -
XIX. bYSTEM TECMICAl DAM 50X1-HUM
Operation Pscilities
4. One-way loudapeaking communication system provides fort
(a)
**Shwa
tuleinz through a megaphone from each of the four
control panels;
(b) preferenn* facility for the ens of the four control
stele that wag the first connected to the line;
-
(pa remain poeitSoniag of the eegsphonds from each panel
_ flomeferenktagepriggigt facility for the panel that was
it.00mseated.
? ,
5. Igo ea)tipmest is powered with 127 V/220 V, 56 c.p.e one
Sue e.g.
-Q The oquipmen provide* normal operation .in the following
conditionst
(a) at continuous vibrations of the landing circuit voltage
within 9$ of,the'moted,-voltoot
(b) -intermittent vibrations of the feeding circuit voltage
within +84 of the rated voltage;
*hort-term vibrations of the feeding oironit voltage
within .45% +13$ of the rated voltage.
. Maxims power consumed by the megephone'amplifier from
00e. Airtult does not !mooed 140 VA at tory* 0.85.
..-figift not into. no mOve vat G6 VA are tionsumed at
0,0161444:'
- tintai,ssilisstong stitseinist so,
-4. 00 1b4 sgetem inivire 50g at 30 V output voltage;
(b) U; 2 NV input voltage;
(*) eitefficient of nonlinear distortions within
0
it 500 + 30500 n.p.s band in bitter than 10
_
?
'NO FOREIGN DISSElf
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0 lo Foreign Dissem
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(d) hum leveret the system outlet with 18 ohm 150X1-HUM
not more than 300 mV.
Pi, SYSTEM OPERATION .
7. The one-way leudapoaking communication !system in an
audio-frequency amplification circuit having as a load one
mr -50 megaphone. A signal- is transmitted to the 09m and then
.to the megaphone amplifier inlet.
In the MY the signal. pastes through 4) correcting filter
ahd is amplified by the following amplifiers s yM microphone
amplifier. Ty -3 amplifier and the final amplifier consisting
of two Ty -25 amplifiers connected in parallel.
From the final stage the signal it fed into one of the
mr -50 megaphones.
Switching of the megaphones is carried out by means of A
relay fitted in each megaphone amplifier. The relay it cut in
by turning the "Wawa's," ("Megaphone") switch of the
to the 2 nd position.*
86 Tho wiring diagraM of the one-way loudepeeking con -
nunication system is given in the Appendix.
V.__DESORIPTION OP SYSTEM COMPONBSTS
119 Megaphone Amplifier
9. The megaphone amplifier is designed to *milli-7; speech
transmission and select circuits when commands and Orders are
given through Megaphones.
*M 0 T E - There is one megaphone on board the 'Msg, which
Operates with the switch in the "Mumenon " ("Meitaphone"7
1 at position.
,NO FOREIGN DISSEM
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1.82E-C-41-E-IL
No Foreign Dissern
- 39 -
N. megaphone amplifier includes: filter, ylt microphone
nrrlifior, Ty -3 amplifier, two TY -25 amplifiers, spxi yfylanei
and rectifier.
10. Tho cor:ecting filter is intended to obtain tho noose-
cry frequency response curves.
Filter Alectrio Characteristic*
(a) 20.2; 3 cycle damping at 1,500 is.p.s frequency with 3.2 m1/
input voltage and 620 ohm load resistance:
(b) 100 t 200 ohm input resistance at 1,500 4.p.o.
The correcting filter is a detachable unit overlaid with
epoxide. reath. It is connected. to the circuit through a plug?
socket. The filter iv not to be repaired.
it. The YM microphone .araplitior is designed to operate
IS oorivalaation circuits and Settee for preamplification.
? The tuaplifier consists tir three amplification" stages :
K-I. type fl135-1 pc, 12 4(3 type ni5A - 2 pea crystal
triodes) and instantaneous amplitude uniter 1111,0012type 112r
? diodes - 2 pcs).
The taicrophone amplifiers have the following parameters:
(a) at 'least 0.30 V output _Voltage at 1,50b sa.p.s with
400 ohm load rated resistant:a;
(b) coefficient of nonlinear diaettione at ?rited voltage
?
within 500 ; 3,500 .oa .p.a band 'aolie nbt eseeed13*7J . ??
? . -fat 2...Z.tee_i ? a.;
(c) 0.6 t 0.1 mV rated voltage at.thartimplifitit4npdii
'?
(d) noise and hum level in the amplifisetBnit:loideo,
-rats ' ?
with 400 ohm resistemoi, the inTnit ,beintenoped.Tta?ta 600 ohm
load, does not'exceed 2.&, mV:
(e) 700 t 100 Mut input ..esistiittisit at, *505,ci.p.it frocittanoy; ,
? (f) the amplitude chartioteristio at ?a?400 Ohm load deflates
from the linear one by_t?2C%._ Withi4 1 ? 100 per sent of the
S-E-C-R-E-T '-
NO FOREIGN DISSEM
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50X1-HUM
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0
0
No Foreign Dissam
- 40 -
r Ate d level;
(g) irregularity of frequency response of ;the amplifier in
a 5, 4 3,5U0 c.p.s band does not exceed 25%;
(h) direct current consumed by the amplifier does not
exceed 15 eV.
i'he amplifier is a detachable unit overlaid with 'epoxide
?seine It is connected to the circuit by ;mane of a plug socket.
Tha microphone amplifier is not to be repaired.
12. TY -3 amplifier is intended for amplification of radio
trcaoninsion.
The amplifier uses a grounded emitter sontigirration. It -
consistes of two stages:pre - amplifying (1(1 type n45 triode)
and two-cycle output stage (10Z2,1t3 type 17 4 fi triodes).
the TY -3 amplifier has the following electrical parameters:
(a) at least 3 s: output at 1,500 a.p.s with 300 act load;
(b) coefficient of nonlinear distortions within a 590-4
3,500 cepai frequency band does not exceed 5%;
(0) rated input voltage does not exceed, 0.33 V;
(d) brat level in the amplifier output loaded with a 300
ohm resistance, the input being closed to es 600 ohm resistance,
is under 1.20 toVt
(e) input resistance at 1,500 c.p.a frequency is better
than 600 ohne;
(f) the amplitude cltracteristic of the amplifier , MeneUred
at a 1,500 c,p.e frequency' deviates from the linear mot more
than I elc; within 1 - 100 per sent of the rated level.
(g) irregularity of frequency response within a
500 4 3,500 c.p.a freqUseeYband reletivis to a frequency of 1,500
c.p.a does not exceed ? 255;
(h) with load resistance varying from 309 to 3,000 ohms
the amplifier output voltage changes by 25% (or less),
S-E-C-R-E-T
NO FOREIGN DISSEM
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cnii irm
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0(.??? _ . ?
' No Foreign Dissemf
- 41 -
42iecant current of the 1 at and the 2 rid %tngee dose
iluid 20 m?.
11,; zn-Tlifier io a detachable unit ? Pitted inside the case
dr? ::.Inverriou taut output transformers, the second stage
they-actor (the first stage thermistor is on the plate), cepa-
eitore Jed a mountinq nlate. The case, is provided with a cover.
la the cams are fastened: a panel ti out the imPlifler into tAi
circuit and semiconductor triodeo:
The triodes are insulated from the case with a VIC& gasket.
13- .'he TO -25 amplifier is designed to aMplify radio tra-
nsmit/lion& It is a push-pull amplifierlimaili4iwitthrtiva '
(tl and K2) type n46 triodes with a commeh collector.
The input voltage is fed into KI and 1(2 "triedis base. "
The amplifier is loadtd on the primary winiineof the TP1 *Alta.:
put transfol-mer. The amplified signal is taken off the transfor-
mer secondary winding. ' ? ? ?
The amplifier draws 24 V power from the Bk3,5 recafier.
Two TY t25 P
arallel connected amplifiers are included into
the flY circuit. ? .
The Ty -25' amplifier has the following electrical parra
cetera :
(u) output power at 1,500 o.p.a at a rated load of 36 Ohms
is better than 25 if ;
(h) coefficient of nonlinear distortions in a 100 -6,000c.ra
frequency band does not exceed 4%;
(o) rated input voltage of the amplifier does not exceed
35 v;
(d) hum level at the output of &uplifter loaded with a '
36 ohm resiatance, the input being closed to a 820 ohm reeistaneo
,:oees not exceed 150 mi;
NO FOREIGN DISSE14
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- 42 -
(a) at lent 000 ohm but resistance at a
fikequisncy;
1 Ig(5X1 -H UM
(f) the amplitude abstracter/We of the amplifier at a
frequency of 1,500 e.p.e deviates from the linear not more than
by 1% within 1 - 100 per pent of the rated levels
(g) irregularity of frequency response within a 100
6,000 c.p'.* frequency band relative to a 1,500 cp.s frequency
Coto not tuned t 2574
(h) with load reeietance dropping trai 36 ohms to 360 ohms,
the output voltage plunges by,30% (or Iced);
(i) the amplifier tramidee parallel operation.
The amplyier is a detachable tit', Pitted inside the
amplifier case is an output transformer.
The wale is provide(' with a covet- and is oompesed of a clesaP
and two walla (radiatene) which proviee'Cooling fOr the triodees
On the .can are fat* a panel VIT snitching the amplifier
into the circuit MS semloonductei triodes.
14 Alan 4 Panel 'erns for twitching tke one- ay tenni,.
cation electrical circuits.
A relay feeds power Into the amplifiers and P2 relay. The
P2 relay feeds s ?10 V alternating Voltage into *elm windings
of both the megelp?omos.
P3 tinily 'writs:ship 110 V voltage from megaphone 1 to
megaphone 9.
P4 relay siitchos megaphone amplifier output from mega -
phone 1 to megaphone 2.
P5 relay switches power of rotating mechanisma motofc fron
gaphone 1 to megaphone 2.
P6 and PI relays switohas-R4 V voltage when the megaphone?
rotate to the left or to the right.
4,1/41S-E-C-R-E-T
ill? FOREIGN DISSEM _
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0 No Foreign Dissem);__
- 43 -
13 relay connects .the oelaym tranomitter phase windings of
menaphone 1 or megaphone 2 to the seleyn receiver. 50X1-HUM
The relays draw 24 V current from the B 3,5 rectifier.
The relay panel is a detachceole Unit which consists of
a metal chassis with guides end a handle to take the unit out
of the apparatus.
Mounted on the ohaesis are three 16-contact plugs and eight
px- 6 relays.
15. The B - 3,5 rectifier is intended to supply power to
semiconductor triode amplifiers and to switching and signalling
circuits.
The rectifier is a full - wavy bridge circuit with a
smoothing filter. It draws 127 V or 220 V, 50 c.p.s S.C.
The B1 tumbler switch is est to "127" or "22470 position.
fite 10.42. th windings of the fp-I transformer are not used In
he given circuit.
The rectifier ham the following electrical parameters:
(a) 2i 'V t 1 V rectified voltage;
(b) not more than 500 lor pulsation at the filter output;
(c) when the load current changes from its rated value,
3.5 A, to 0.05 A the rectified voltage varies within 4- 2 V.
The rectifier is a detachable unit. All the parts ( Tp-1
transfermer, saturable choke, four type J1-304 diodes, capacitors,
resistors, tumbler switch, inset of WI plug socket) are mounted
on the chassis.
16. The megaphone amplifier is a device, composed of a
front panel and a case. On the front panel are fitted protector
holders, e4gnal lamps, a tumbler switch to out in slid out the
feeders. In the case are mounted plug sockets, brackets for
rectifier, amplifiers, and relay panels with terminal blocke
0
----7NO FOREIGN DISSEle
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C.) I No Foreign Dissem
A4
for the microphone iusplifier and a filter, ohokee an& tors.
50X1-HUM
519M Megaphone Control Panel
17. The nym control panel Se designed for remote control
of mecaphonee and for indication of direction of 'their rotation.
It includes ;tQ selryn-reoeiver, to indicate direction of
megaphones rotation; Bl change switch, to out Stand out 'the
necaphonea; B2 change twitch which ?cute in power to the mega-,
phones Irctore. for right or left potation; 'Pl and P2 relays to
disconnect the audio circuit, the circuit of indication or
rotation and power supply circuit when the megaphone control
panels operate in parallel; 111,A2 and 43 diodes which enaura
current flow in one directiOn
The control panel la a device which consists ot a front
panel .and a case.. On the front panel are fitted.: Delon .receiver
change .awitches,0/4A semiconduotOr diodes ?signal`lamp and a
16 - pin contact insert. inside the care are fitted: plug
ookete, a relay and a16-pin block.
All the control knobs and the Oeleyn receiver seal* are
mounted on the front panel.
The megaphone ciottrol panel provides :
(s) possibility to talk through one of the two megaphones
in turn;
(b) remote control of turning of a megaphone.;
(o) possibility to control the direction Of a ,ditched in
megaphone ;?
(d)-possibility to connect the mdm dories in Parallel".
(e) facility precorence for device that wet out in first.
over other devices* connected in part/1E11$
(f) poneibility to get " 30"PrO " ("Engaged.") light
0 eigaal
S-E-C
.NO FOREIGN
Declassified
?
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(g) possibility
,,
S-E-C-R-E-T
_
,No Foreign Dissem'
o connect a microphone to th450*1--FIUNA
..(r_Litjators
1S. the M1-r-t ginkaphono is intended for transmission of
commands overteefearable distances in any direction.
3qc
The 110. selsynt-dransr,itter serves' to 'transmit data about the
megaphone ? poSiition'tto the Control panel4eleyn-receiver.
The AtR'8',273qiifc?rie. motor 'rotates the turning mechanism.
The oontej. rings are fitted tO transfer sound frequency
voltage from-ths. fixed pert to the 'rotating part of the megaphone.
If the pegaghone is far from the megaphone amplifier,
proviiion is made to increase the ,section of Bound cores of the,
connecting cable. For this puppet? the contacto of tho, MV-50
megaphone azi My 'megaphone amplifier corresponding' to theur411115
and W4r plug sockets are connected in parallel.
The ?Mr-50 loudspeaker is of a waterproof type.
Rated output 50 VA
Reproduced frequency band 300 - 3,000 c.p.s
Rated voltage 30 v
Bound prssoure 12 bare (at least
Weight with rotating mechanism 40 kg
'`Thetruc t ions for twitching_ Circuit Devices
1. All tha devices for a.c. mine as delivered by the manu-
facturer are connected for the 220 supply.
? Changing over to 127 V is done by tumbler ?switehes,fitted
inside the. devices.
TO 'change over the megaphone axmlifier my , ?novo the
cover from the rear side of the device and turn the tumble
switch to the "127" V position.
TNO FOREIGN DISEEM
_
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
LSE -c
No Foreign Dissem
-46-
???????????
Other devices of the circuit do not draw
50X1 -H UM
trod the supply mains and require therefore no switohing after
delivery.
II.OPERATIO Jr
2. In working condition the megaphone amplifier power
supply nhould be always on, Set the power supply switch, fitted
c
an the MY amplifier, to the clifipu position. This done, the
.? Curb 0 ("izains") lamp light. up*
3: To speak through the megaphone .;
(a) make sure that the system Sr not engaged. If the
system is engaged, the imp " 31,H970 Ti ("Busy") mill light up
on the control panel. wait until the circuit is free;
(b) if the system is not_engegett cut in the =nohow
by 11 MEr?WOH
("1.1egaphorte") indritch;
(o) turn the megaphone to the required, direction by
the " fleooPot " ("Turn") switth and begin transmission;
(d) keep the microphtme ?loins to the Mouth corner
(at 1. cm from the mouth). Carry out transmission in a loud voice;
(e) the transmission ever turn the 1'Mo-timer-I "
("Misgsphorr) switch? to Sewn t, (if off" ) position.
y. 9
NO FOREIGN DISSEM
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-C-R-E-T
_
No Foreign Dissemp
,
Duna communcong SCUE wris
' ? clitcuiminviess
S-E-C-R-E-T j
"Thim-afte--
NO FOREIGN DISSEM
50X1-HUM
?
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
i.trru-n7b-IP
0 _ f
:No Foreign Diesem
-48-
0
50X1-HUM
1.PURPOSE
1. he circuit of two-party duplex communioation is intended
for conruniention between the hydroattoustio house and the
wbeelhouce.
The equipment it decianed for continuous operation in the
followina conditions ;
(n) with ambient temperature variations from -10?C-to +50%,
for old:eh-proof device. and from -40?0 to +Wait for water-
proof devices and microphones;
(b) relative humidity up to 90ft
(c) sinking, strokes end vibration according to standards.
II.CIROUIT BLENSIVS
2. ?ho duplex circuit includes;
Co) circular device A14 I;
(b) microphones MW-f and Ma'-P;
(c) plate nK for fastening mierophonei
OpaCeS;
3N-3
(d) oculeVwith spares
McP.
XU.T I: C. J1 17 IC AZ P "LT_ 4
in sheltered '
:CP
221tAillE
3.The two-party duplex lineensuress
(s) poasibility to speak ai s diens? of 7 m from the
device:
(b) possibility to control the feeder voltage and the\,
rectified feed voltage in the device.
0 s
1 S-E-C-R-E-T \
C--- ? ?NO FOREIGN DISSEM -- - I
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0 , No Foreign Diesem?
a 'or
4. :he
m.o. maias.
squint., is pawned fres 127 V Or 220 V. Sr c.o.'
50X1-HUM
:.ovise 411 I draws power directly fres ens of tba
feeder:-.
:h.c power cdheurption does not exceed 25 VA at cos Vs 0.6.
tatn noctri.et1 Characteristtcs
5. C a-nu:acetic:1, circuit of the A(4-1 devices has the
followinc characteristic? :
(a) sentitivity at the dmierophone inlet 11 4 r.V ;
(b) output power I. VA .
lys,D13CRIPTIO'N 01 CIRCUIT
I) 77 V I C S
Device
6. The circular device Al/-( is intended far duplex
two-Tarty co:runicition between the cubscriber, who is in the
roor with low level of ambient noise (below 90 db ) ant
another ruhecriber.
The circuit of the device AU I includes correcting filter
,ricrophone arylifier?differential eyetem AC, amplifier K Y? 1,
louiePeaker frAm - WI and rectifier 11-0,15.
7. The device AU, ( has the fallowing electrioal chrecterie-
tics :
(a) censitivity at the microphone inlet at ?1,500 c.p.a
requepay 11 4 mi ;
(b) input re:attar:co at the microphone inlet 250t50 ohm;
--J?I0 FOREIGN DIRRE-1r
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
No Foreign Dissem-
s? _
- 50 -
(c) output voltage in the line at 85 ohm resistance
200 rV *1.14-3 ;
(6) noise and hum at the line output are not Libre that 2 roV;
(e) input voltage from the line aide 200124 t 10% I
(f) the loudopeaker output power at leaet 1 t/1
(g) loudepeaker output voltage 5 V.
O. The device ALF I in a welded box made of sheet steel. It
conciato of the rain body as teachable front panel.
treated on the front panel are ;
(a) tumbler witch B1 to cut in power to the rectifier;
(b) lamp "Thir gOlf,? " ("Amplifier power supply")
indicating the presence Of rectified voltage;
(c) protectors npl and rip2 in the notifier power aup-
. .
50X1-HUM
ply circuit;
(d) resistor RI. "8"A4k4c " ("Balance") intended for adjust-
ing minirrtua audibility of ctranatiaeion;
, (e) resistance R2 f peons!.
tranamietrion Volume.
" (Ujender" ) for -control of input '
Cernotinsifilter ci)
9., Yin serrating filter serves to obtain the required
Crane* ebrateriatic of the line, It is made as a ceparate
ataelskinn .tkakt.
10, the filter has the following electrical ons,racterie -
ins T
(a) input resistance at 1,500 e.p.0 frequencyyl,000 = 200 chat;
(h) filter attenuation at 1,500 c.p.e frequency, 12 V
input voltage and 600 ohm load resistance a 20 = 7 times.
S-E-C-R-E-T
,NO FOREIGN DISSEti
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
- - -
c_s_c_R-E-T
No Foreign Discern,-
r-
-51?
50X1-HUM
tor/Phone AsdaifierYtI
11. The microphone amplifier YM is intended for operation
in coranunioation limes as a preamplifier. ,It IA made as ?
separate detachable unit*
The amplifier consists of three amplifying stages composed
of oryatai triodes 11135 (lot) ad 1704 (2 pee), and a momentary-
duty anplittzde lthiter ( two .42E diodes).
12. c,:hp microphone amplifier YM has the following
parameters.
(a) output voltage at 1,500 top.* frequency and 400 chit
roc/stance 0.3 7. tad Ima're I
(b) nominal Toltatie at thi amplifier Inlet 0.6 &WI mV;
(a) input resistance at 1;500 t.p.a frequency
700 ohm t 100 ma r;
(d) d.o. current conettsed by the amplifier does not-sated
,
15 mA,
13. The microphone amplifier As overlaid with epoxide
reeine. It is not to be repaired.
ACiTifferential pyatem
14. The differential system AC provides two-party, duplex
circular two-wire loudepeaking communication. It is mode sae
separate detachable unit;
The differential system consists of a triple-wound tranefor-
r and two dividing amplifier stages ( 11134 triodes ).
Principle of operation of the differential System it bared
en the triple-wound transformer properties.
ryett:t 12,e the folioed:net pAreneterct
tr:lut rccJ& frun the line c14ctrzln ohn 4y;
' INO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified M Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
(:) f_a__ ft?
No Foreign Dissem
-52..
(b) input resistance from the microphone amPlifier5Oi1 HUM
2,400 ohms and more:
(c) input voltage from the microphone amplifier side neces-
sary to obtain 200 mV at 85 ohm load equivalent : 0.1V1.0.6
(d) output voltage supplied from 200 mV line circuit at
440 ohm load resistance : 240 mV 1 20 %.
The differential eyotem is overlaid with compound and is
not to be repaired.
Amplifier N9 I
Power amplifier Ny-f la designed to amplify speech trans
mission.
17. The amplifier has the following electrical parameters :
(a) power output at 1,500 c.p.e frequency and 25 ohm:1 VA
and more;
(b) nominal input voltage does not exceed 240 mV;
(c) input reoittance at 1,500 c.p.e frequency: 440 ohnn
and more;
:(d) the first Stage current does not exceed 6 mA: the oecond
itage quiacent current does not exceed 16 mA.
The amplifier is made se a separate detachable unit.
Rectifier B 0.15
18. Tho rectifier B-0,15 in intended to nupply poser to the
Microphone amplifier, differential system, amplifier NV and
limp ri (bin qcon ("Amplifier power oupplY"). The rectified
current is 150 mA,
19. The rectifier helps to obtain the following currents
and voltages :
(s) 24 V = 2 V rectified voltage at 0,15 A maximum rectified
S-E-C-R-E-T
_
--7-- 7-NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
50X1-HUM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
No Foreign Dissem-
- 53 -
cut-clit ;
(b) the rectified voltage at the nominal voltage and at load
corm:etc from 0.05 A to 0.15 A varies from 22 V to 26 VI
(o) puloation voltage at the rectifier Output with the
maximun load current dose not exceed 360 raj
(a) When the? voltage differs by t 5 %,fr,ea the nominal value,
thc, rectified voltage Varies within t. 5$ of the value, measured
at the nominal voltage of the power supply' mine.
20. the, rectifier is a:sopa-rate detaailable att. A bolo
=de In the cover for the, tutabier-iiitob mit ti to facilitate
switching the rectifier. otlir te.3.27 Or fampir !think. '
.-.7.?
?
s.
,
S-E-C-R-E-T
- _ _
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
No Foreign Dit-e7T
OPER ATIlic ("CT I Sit 8
S-E-C-R-E-T
0 FOREIGN DISSEM1?a-
17
50X1-HUM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
No Foreign Dissem
- 55 -
50X1-HUM
Instructions for operation
The personnel should constantly control the normal opera-
tion o. ti:1 equipment and,obeerve the adopted safety rules.,
2. To ensure ?table operation of the equipment, the person..
nel chould properly maintain the equiprent.
The pereonnel should know the equipment, all the technical
11. documents, and wiring diagrams.
Preparing for Operation and Operation
3. Defore Operation.prepare and tuna the equipment:
To de thie :
(a) cut in power supply by the t WO, e r wCgTb&Atw
rains on"). Then the lamp " golA ("Amplifier power IMP-
ply)lightt up.;
(b) set the volume regulator knob to maxilum,;
(6) put the microphone 1 cm from the mouth,find checkup
the device.
?
5. To call a subscriber, take the microphone, put it to ut.
mouth, call the subscriber by voice and begin tratenission.
Adjuot the volume regulator as to obtain the best audibility,
if required.
If the ship hydroacoustic equipment is in operation, the
Ay 4 device power supply Should always.be out in. /or this
Purpose, set the tumbler owitch Of the device A1.4-1 power euPply
o "eno " ("(m") position; and the signal lamp "not ycos "
:("Amplifier power supply") lights up, the volume regulate; kuob
luct be in the riddle position. These operations fulfilled, the
uipment io ready for use.
-
-,NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-C-R-E-T
Do Foreign Dissemi
-56-
Cheoking of CoMonnleetlon
50X1-HUM
6. Check up the line daily. Particular attention ehould be
paid to light signalling It (kir SOC lin " ?("Amplifier power supple.)
on tin device ALL 4, quality of volume o; sound ind_possibility
to regulate it.
Lists of aprIrea are in the oases.
NO FOREIGN DISSEM
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
'SECRE-T
No Foreign Dissem;
0
NO FOREIGN DISSEM _ _ --4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
? ? -
S-E-C-R-E-Try0
No 'Foreign Dissem
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50X1-HUM
a wag'
? ir .."4t,07te /4; vor.ir
? Or
-tarivnle
lAttyrtee Moat Jr.
varna
"ne Int oar
Onflit -
AIL(
&Non* frate,ve.
S-E-C-R-E-T
NO FOREIGN DISSEM I
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
sea?
aterfeffer
4 Mtn: 4.-fei
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
eatten
, No Foreign Dieeemt
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sasses SY
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S-E-C-R-E-T I
NO FOREIGN DISSE24
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
. en won %V 1
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No Foreign Dissem
50X1-HUM -
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[ S-E-C-R-E-Ti
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-C-R-E-T
No Foreign Dissem-
Alityny
=427
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4rAfi I /01
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S-E-C-R-E-T
NO FOREIGN DISSEM
IC
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-C-R-E-T
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No Foreign Dineen
50X1-HUM
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19 : CIA-RDP80T00246A069800300001-4
Foreign Dissem
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;NO FOREIGN DISSEM1.
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
0 182E-OTR-E-Tp
No Foreign Dissem
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,NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
50X1-HUM
.9 I
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st4_4 area
4
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
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(:) No Foreign Dissem
AtAh'
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50X1-HUM
S-E-C-R-E-T
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,NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP86T00246A069800300001-4
S-E-O-R-E-T
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1N0 FOREIGN DISsEm
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19 : CIA-RDP80T00246A069800300001-4
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NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
S-E-C-R-E-Ti_
No Foreign Di'ssem,
S-E-C-R-E-T ?
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Pigo Foreign Dissem,
NO FOREIGN DISSEM
. ?
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
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Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDPI80T00246A069800300001-4
S-E-C-R-E-T
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S-E-C-R-E-T
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
e_HS-E-921-E-TLL
No Foreign Dissem
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,NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19 :iCIA-RDP80T00246A069800300001-4 '
Irk
S-E-C -R-E-T
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No Foreign Dissem
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S -E-C -R -E -T
NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
50X1-HUM
ECR_E-TrL
No Foreign Dissem
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S-E-C-R-E-T
,NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
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No Foreign Dissem
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S -E-C -R -E -T
:NO FOREIGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
50X1-HUM
A,S-E-C-R-E-T
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No Foreign Dissem
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seri, crecrorror pence
S-E-C-R-E-T
INC FOREIGN DISSEM
_
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4
SECRET
No FOREIGN D1SSEM
SECRET
NO FORBGN DISSEM
Declassified in Part - Sanitized Copy Approved for Release 2013/02/19: CIA-RDP80T00246A069800300001-4