wec tubes for radio and broadcasting
TRANSCRIPT
Western Electric Vacuum Tubes
GENERAL BULLETIN
Tabular Characteristic Data
and
Arrangement of Terminal Connections
2 WITHOUT BAYONET PIN
2A
Western Electric Company
VACUUM TUBES
ARRANGEMENT OF TERMINALS AND CON JECTIONS VIEWED FROM BOTTOM
3 4 6 7
9 10 II
WITHOUT BAYONET PIN
IIA
12
17
25
G2
33
2
18 19 20
26 WITHOUT BAYONET PIN
26A
GjIGS KLG3
27
Kt F
G3
28 WITHOUT BAYONET PIN
28A
13 14
21 22
29 30
A
15
N
8
16
23 WITH FLEXIBLE LEADS
-0I0N TERMINALS I.3,í4
C3t P FC
23A
24
31 32
34 35 WITHOUT BAYONET PIN
3SA G2 G3
37 38 39 40
D
41 42 43 d4
47 48
SI
CA
59 60
G2
49 50
53 54
61
A -ANODE CA- CONTROL ANODE
CAR -CONTROL ANODE THRO,H RESISTANCE
0- DEFLECTOR PLATE EA- ACCELERATING ELECTRODE
- KEYWAY
-KEY
CONNECTN IN SHELL OF SCREW TYPE BASE
62
2
45 46
55 56
63
Er- FOCUSSING ELECTRODE EM- MODULATING ELECTRODE
F -FILAMENT FC -FILAMENT CENTER
G -GRID
- CONNECTION IN BULB
-BAYONET PIN
CENTER CONNECTION IN
SCREW TYPE BASE
- 210 -
H -HEATER K- CATHOOE
NC - NO CONNECT ON P - PLATE
PBF -BEAM- FORMING PLATES
57
-SOCKET CONNECTIONS
- FLEXIBLE LEADS
58
CONTACT PINS THAT ARE NUMBERED ARE ON ONE SIDE OF TUBE
Western Electric Company
VACUUM TUBES FOR RADIO TELEPHONE BROAD CASTING
CLASSIFICATION Western Electric Vacuum Tubes
-FOR- Radio Telephone Broadcasting
Issue 8 Mar. 15, 1942
Replaces Issue 7 Oct. 1, 1941
LIST OF TUBES IN CATALOG NOTE: Data sheets combining information on more than one tube are filed under the code number shown in parenthesis. lO1D 1O1F(Iss. 2) 101FA 101J 102D 102F(Iss. 2) 102G 104D 205D 205E 212E 215A 220C (Iss. 2) 222A 228A 231 D 232B
233B 257A 236A 258B(249B) 240B 259A 241B 2598 242C 262B 244A 263A 245A 263B 246A 264C 247A 2668 (249B, Iss. 2) 249B (Iss. 2) 266C (24913, Iss. 2) 251A 267B(249B, Iss. 2) 252A 268A 253A (249B, Iss. 2) 269A 254A 270A 254B 271A 255B (249B, Iss. 2) 272A 256A 274A
275A 276A 279A 281A 282A 283A 284D 285A 286A 287A 295A 297A 298A &B 300A &B 301A 303A 305A
306A 328A 307A 329A(311A) 308B 331A 309A 332A (322A) 310A 333A 310B 336A 311A 338A 312A 340A 313C 342A 314A 343A 315A(249B, Iss. 2) 343AA 316A 345A 319A(249B, Iss. 2) 346A 321A(249B, Iss. 2) 347A (262B) 322A 348A(310B) 323A(287A) 349A(336A) 325- 326(Iss. 2) 351A(345A)
352A 353A 354A(287A) 355A (287A) 356A 357A 363A 364A 368A 368AS (368A) 371A 378A(371A) 380A 381A(380A) 384A 385A(384A) 388A(368A)
Class A -Audio Frequency Amplifier or Modulator
Typical Output Power Code Filament Plate
Watts No. Volts Amps. Volts
Class B -Audio Frequency Amplifier or Modulator -2 -Tube Circuit
Typical Output Power Code Filament Plate
Watts No. Volts Amps. Volts 0.87 0.87 1.6 4 4.5 4.5 6.2 7.5 9 9
20 22 40 50 50 50 90
100 130 155
285
650 650
*760
205D 205E 271A 268A 336A 349A 252A 300A 306A 307A 276A 242C 284D 212E 241B 308B 270A 363A 251A 279A 228A 343A 343AA
*220C
4.5 4.5 5.0 5.0
10.0 6.3 5.0 5.0 2.75 5.5
10.0
10.0
10.0
14.0
14.0
14.0 10.0 10.0 10.0
10.0 21.5 21.5 21.5 21.5
1.6 1.6 2.0 3.25 0.61 1.0 2.0 1.2 2.0 1.0
3.0 3.25 3.25 6.0 6.0 6.0 9.75
10.0 16.0 21.0 41.0 57.5 57.5 41.0
350 350 350 750 250 250 450 350 300 300
1250 1250 1250 1500 1500 1500 2500 2000 2500 2500 6000
12500 12500 12500
50 268A 1.10 2811) 175 276A 200 212C 200 356A 200 364A 250 295A 370 331A 575 308B 650 212E 650 241B
1000 270A 1625 357A 1650 363A 2000 251A 2200 279A 3750 228A
*14000 * 220C 17500 21OB 18000 343A 18000 343AA 25000 236A 30000 310A 30000 342A
140000 298A
Grid Bias Modulator Peak Code
Power Output No.
5.0 3.25 10.0 3.25 10.0 3.0 10.0 3.25 5.0 5.0 5.0 5.0
10.0 3.25 10.0 3.25 14.0 6.0 14.0 6.0 14.0 6.0 10.0 9.75 10.0 10.0 10.0 10.0 10.0 16.0 10.0 21.0 21.5 41.0 21.5 41.0 21.5 41.0 21.5 57.5 21.5 57.5 21.5 41.0 20.0 72.0 20.0 67.0 27.0 225.0
Filament Volts Amps.
750 1250 1250 1250 1500 1500 1250 1500 1750 2000 2000 2500 4000 4000 3000 2500 5000
10000 12000 12500 12500 17500 15000 15000 15000
Plate Volts
200 200 250
212E 241B 270A
14.0 14.0 10.0
6.0 6.0 9.75
3000 3000 3000
'Revised ratings in this classification sheet supercede those in data sheet. Copyright, 1937. 1938. Western Electric Company, Incorporated Copyright. 1939, Western Electric Company, Incorporated Copyright, 1941, Western Electric Company, Incorporated Copyright, 1942, Western Electric Company, Incorporated
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CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Wesreru Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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Wesrern Electric Company
CHARACTERISTIC DATE
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Western Electric Company
CHARACTERISTIC DATE
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