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Valve Types and Equivalents

Extras ▼

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E …
M-OV E-Series valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1007
Triode

CV1205

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1046
Micropup Triode

CV62 CV219

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1111
Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1148
Triode

IO
CV6 CV1135 CV2920 DET20 VR135 VT-232

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1155
Modulator Tetrode

CV44 CV1257

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1175
Triode

L4
VT25

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1190

CV55 CV155

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1191
Rectifier MV

CV12

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1192
Beam Tetrode

CV1501 TT11 VT501

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1198

CV68

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1199
Diode

CV1405

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1209

CV7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1228

CV2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1229

CV4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E122ER

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E122FC

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1231
Triode

CV52

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1232
Micropup Triode

CV92 CV199 NT99 W2514

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1235

CV29

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1248

CV8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1255

CV40

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1256

CV42

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1265

CV114

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1266

CV15

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1267

CV41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1271

CV57

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1273
Triode

CV58

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1278

CV23

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1289
Thyratron

CV1148 NGT8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1308
Thyratron

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E130L
Pentode
1959
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1320
Tuning Indicator

CV51 Y65

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1323
Triode

CV63 CV344

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1325

CV56

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1326

CV69

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1330

CV123

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1336

CV122

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1342

CV64

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1342

CV186

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1359

CV76

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1362

CV126

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1368
Triode

CV90 CV350

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1371

CV105

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1373

CV99

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E13F
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1411

CV153

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1415

CV115

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1417

CV117

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1419

CV154

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1429

CV79

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1430

CV89

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1457
Triode

CV257

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1458

CV178

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1459

CV174

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1465

CV236

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1468
Noise Diode

CV172

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1474

CV78

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1481

CV192

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1485
Pentode

3A4 CV807 DL93

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1488

CV182

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1489

CV222

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1494

CV191

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1496
Triode

ACT24 CV240

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1497

CV215

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1516

CV221

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1531

CV214

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1599
Disc Seal Triode
1945

CV273 DET22

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1606
Double Triode

IO
B65

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1624
Triode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1707
Diode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1733
Rectifier FW

B8B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1750
Heptode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1795
Rectifier HW

B8B
U101

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1796
Beam Tetrode

B8B
KT101

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E180CC
Double Triode
1954
B9A
5965 CV8431

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E180F
Pentode
1955
B9A
5A/170K 6688 CV3998 EF861

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1823
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1824
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E182CC
Double Triode
1958
B9A
CV5766

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E186F
Pentode
1960

CV8667

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E188CC
SQ Double Triode
1959
B9A
CV5354

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1920
Rectifier HW

CV121

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1955
Thyratron
1944

20A3 2D21 CV797 EN91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1980
Triode Hexode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1985
Rectifier HW

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1996
Triode (Power)

ACT25 CV436

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1C
Triode

4671

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1F
Pentode

4672 E2F

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1R/N
Triode Hexode
1940
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E1T
Counter/Indicator
1954
CV5106

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2016
Pentode

6CQ6 9D6 CV1758 EF92

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2019
Pentode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2020
Beam Tetrode

KT36

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2047
Vari-μ Pentode

B7G
W77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2056
Pentode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2139
Beam Tetrode

KT31

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2157
Double Triode

12AT7 B152 CV455 ECC81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2163
Double Triode

12AU7 B329 CV491 ECC82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2164
Double Triode

12AX7 6L13 CV492 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2174
Double Diode Triode
1946
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2178
Rectifier HW

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2185
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2188
Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2192
Pentode
1937
IO
Z63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2217
Voltage Stabiliser

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2218
Triode Pentode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2266
Pentode

CV2231

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2311
Pentode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2345
Triode Hexode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2521
Triode
1957
B9A
A2521

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2597
Triode Pentode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2599
Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2631
Rectifier HW

IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2635
Pentode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2657
Rectifier EHT

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2760
Disc-seal Triode

CV5747

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E280F
Wideband Pentode
1958
B9A
7722

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E282F
Wideband Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E283CC
Double Triode
1959
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E288CC
Double Triode
1968
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2908
Triode

CV2163 CV5326

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2986
Modulator Thyratron
1963

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E3375
Beam Tetrode
1946
IO
EL38

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E351
Tetrode

B5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E353
Vari μ Pentode
1932

VDS

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E388
Rectifier HW
1937
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E2F
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E3F
Pentode
1945

E13F

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E4103/B/4
Cathode-Ray Tube
1936
B9
401A CV320 CV950 NC1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E4103/E/4
Cathode-Ray Tube
1936
B9
408A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E415
Triode
1927
B5
A4100 H4100 KL1/ACR REN804

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E4205/B/7
Cathode-Ray Tube

B12B
701A CV1588 ECR30

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E4412/B/9
Cathode-Ray Tube

901A 90EG4 CV1587 ECR35

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E4504/B/16
Cathode-Ray Tube

CV1385 ECR60 VCR97

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E472
Power Triode

ACT6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E4N
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E55L
Pentode
1960
B9D
8233 CV5808

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E639/10
Magnetron

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E80CC
Double Triode
1957
B9A
CV5989

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E80CF
Triode Pentode
1958
B9A
7643

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E80F
Pentode
1951
B9A
CV2729

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E80L
Pentode
1952
B9A
6227

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E800
Rectifier HW

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E810F
Pentode
1958
B9A
7788 CV5809

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E811CC
Double Triode

ECC81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E812CC
Double Triode

ECC82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E813CC
Double Triode

B9A
ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E81L
Pentode
1957

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E82CC
Double Triode
1968

ECC82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E83CC
Double Triode

B9A
ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E83F
Pentode
1958
B9A
CV9933

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E84L
Pentode SQ EL84
1968

CV2975

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E86C
UHF Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E88C
Triode SQ EC88

B9A
5255 CV9155

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E88CC
Double Triode
1958
B9A
6922 CV10320 Cca

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E88CC/01
Double Triode
1959

CV2493

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E90CC
Double Triode
1955
B7G
5920 CV5214

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E90F
Pentode
1957

7693

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E91AA
Double Diode
1960
B7G
5726 6097 6AL5W

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E91H
Heptode
1957
B7G
6687

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E92CC
Double Triode
1958
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E947
Hexode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

E99F
RF Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EA50
Diode
1939
B3G
2B35 6D1 CV375 CV1092 SD61

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EA52
UHF Diode
1950
CV5140

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EA53
UHF Diode
1962

2-01C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EA76
Diode
1950
6489 CV469

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EA961
Diode
1956
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EAA91
Double Diode
1946
B7G
EB91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EAB1
Triple Diode
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EABC80
Triple Diode Triode
1952
B9A
6AK8 6LD12 6T8 DH719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EAC91
Diode Triode
1947
B7G
CV137 CV1804 CV4059 M8097

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EAF41
Diode Pentode
1947

6CT7 EAF42 WD150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EAF42
Diode Pentode
1948
B8A
6CT7 CV3883 W150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EAF81
Diode Pentode
1955

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EAF801
Diode Pentode
1963
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EAM86
Tuning Indicator
1960
B9A
6GX8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EB11
Double Diode
1938
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EB34
Double Diode
1941
IO
6H6GT ARDD5 CV1054 D63 OM3 VR54

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EB4
Double Diode
1936
IO
DD6DS MEB4 TEB4 VEB4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EB41
Double Diode
1948
B8A
CV3881

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EB91
Double Diode
1949
B7G
6AL5 6D2 CV140 D152 D77 DD6 EAA91 M8212

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC11
Double Diode Triode
1940
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC21
Double Diode Triode

CV347

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC3
Double Diode Triode
1938
Ct8
CV1428

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC33
Double Diode Triode
1938
IO
6R7G AR21 CV1055 DH147 NR48 OM4 VR55

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC41
Double Diode Triode
1948
B8A
62DDT 6CV7 6LD3 CV3882 DH150 DH718

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC80
Double Diode Triode
1954
B9A
6BD7 6BD7A 6LD13 EBC81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC81
Double Diode Triode
1954
B9A
6BD7 6BD7A 6LD13 EBC80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC90
Double Diode Triode
1953
B7G
6AT6 CV452 DH77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBC91
Double Diode Triode

B7G
6AV6 CV2526

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBF11
Double Diode VM Pentode
1940
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBF2
Double Diode Pentode
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBF32
Double Diode Pentode
1948

CV501

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBF80
Double Diode Pentode
1950
B9A
6N8 WD709 ZD152

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBF83
Double Diode Pentode
1957
B9A
6DR8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBF89
Double Diode Pentode
1954
B9A
6DC8 6FD12

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBL1
Double Diode Pentode
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBL21
Double Diode Pentode
1941
B8B
DN143

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EBL31
Double Diode Pentode
1940
IO
CV2926

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC1000
VHF Triode
1965

8254

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC157
Disc Seal Triode
1960
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC158
Disc Seal Triode
1961

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC31
Triode

IO
CV1433

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC50
Triode
1953
Ct8
CV2927

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC52
Triode
1941
B9G
CV1137 RL16 VR137

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC53
Triode
1941
B3G
CV1197 NR88 RL18

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC54
Triode
1941

CV66 RL37

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC55
Triode
1947
5861 DET22 R243

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC56
Triode
1958

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC57
Triode
1958

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC70
Triode
1950
B8D & B8D/F
6K4 CV468

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC71
Triode
1957
B8D & B8D/F
5718 CV3930

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC80
Triode
1955

CV1886

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC8010
Triode
1968
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC81
Triode
1950
B9A
6R4 CV1865

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC86
Triode
1958
B9A
6CM4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC88
Triode
1961
B9A
6DL4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC90
Triode
1964

6C4 CV133 L77 V741

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC903
Triode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC91
Triode

B7G
6AQ4 6L34 CV417 M8099

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC92
Triode
1952
B7G
6AB4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC94
Triode
1954

6AF4 CV5036

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC97
Triode
1962
B7G
6FY5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EC98
Triode
1963

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC189
Double Triode
1960
B9A
6ES8 CV5331

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC2000
Double Triode
1966

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC230
Double Triode
1958

6080 CV2984

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC31
Double Triode
1942
IO
CV1285 NR73

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC32
Double Triode

IO
13D2 6SN7GT B65 CV181 VT-231

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC33
Double Triode
1949
IO
CV2821

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC34
Double Triode
1946
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC35
Double Triode
1942
IO
6SL7GT CV569 VT-229

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC40
Double Triode
1948
B8A
CV3884

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC70
Double Triode
1950
B8D & B8D/F
6021 CV3986

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC804
Double Triode

B9A
6/30L2 6GA8 B729 CV5264

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC807
Double Triode
1964
B9A
13D7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC808
Double Triode
1963
B9A
6KX8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC81
Double Triode

B9A
12AT7 B152 B309 CV455 E2157 E811CC

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC82
Double Triode
1951
B9A
12AU7 B329 CV491 E2163 E812CC

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC83
Double Triode
1954
B9A
12AX7 12DT7 6L13 B339 CV492 E2164 E813CC

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC83A
Double Triode
2000
B9A
ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC83S
Double Triode

B9A
7025 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC84
Double Triode

B9A
6CW7 6L16 CV5281

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC85
Double Triode
1954
B9A
6AQ8 6L12 B719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC86
Double Triode
1959
B9A
6GM8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC88
Double Triode
1958
B9A
6DJ8 CV5358 M3624

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC91
Double Triode
1956
B7G
6J6 CV858

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECC99
Double Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECF80
Triode Pentode
1954
B9A
6BL8 6C16 CV5215

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECF804
Triode Pentode

B9A
18D3 CV5948

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECF805
Triode Pentode
1963
B9A
6C18 6GV7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECF812
Triode Beam Tetrode
1970

6FL2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECF82
Triode Pentode
1953
B9A
6U8 CV5065

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECF86
Triode Pentode
1969
B9A
6HG8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH11
Triode Hexode
1939
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH2
Triode Hexode
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH200
Triode Heptode
1964

6V9

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH21
Triode Heptode
1941
B8B
X143

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH22
Triode Heptode

CV302

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH3
Triode Hexode
1939
Ct8
CV2929

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH33
Triode Hexode
1939
IO
6C31 CV2930

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH35
Triode Hexode
1940
IO
ARTH2 BVA276 CV1347 CV1944 OM10 X147 X61M X61 X65

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH42
Triode Hexode
1949
B8A
62-TH 6C10 6CU7 CV3888 X150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH81
Triode Heptode
1953
B9A
6AJ8 6C12 CV2128 X719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH83
Triode Heptode
1957
B9A
6DS8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECH84
Triode Heptode
1961
B9A
6JX8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECL11
Triode Pentode
1939
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECL80
Triode Pentode
1950
B9A
63TP 6AB8 LN152

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECL82
Triode Pentode
1956
B9A
6BM8 6PL12 CV9167

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECL83
Triode Pentode
1957
B9A
P633

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECL84
Triode Pentode
1958
B9A
6DX8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECL85
Triode Pentode
1961
B9A
6GV8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECL86
Triode Pentode
1961
B9A
6GW8 CV8297

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECLL800
Triode Double Pentode
1963
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECR30
Cathode-Ray Tube
1943
B12B
701A CV1588 E4205/B/7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECR35
Cathode-Ray Tube
1946

901A 90EG4 CV1587 E4412/B/9

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECR35P
Cathode-Ray Tube
1946

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECR57
Cathode-Ray Tube

CV1587

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECR60
Cathode-Ray Tube
1943

CV1097 CV1385 E4504/B/16 VCR97

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ECR75
Cathode-Ray Tube

4C35 CV1787

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ED500
Triode
1966
B9D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EDD11
Double triode
1938
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Edison Effect
Diode
1885

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EE-68C
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EE50
Secondary Emission Pentode
1938
B9G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EE60
Secondary Emission Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EE80
Pentode

6F28

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF11
Pentode
1939
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF12
Pentode
1939
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF13
Pentode
1938
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF14
Pentode
1939
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF183
Pentode
1959
B9A
6EH7 6F29 CV5831

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF184
Pentode
1960
B9A
6EJ7 6F30 CV5810

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF190
Pentode
1961

6CB6A 6CF6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF22
Pentode

B8B
7B7 CV303 W143

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF36
Pentode
1940
IO
CV1056 CV1404 EF36 NR49 OM5 POVT201 VR56

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF37
Pentode
1942
IO
OM5A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF37A
Pentode
1942
IO
5A/157D CV358 CV5080 OM5B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF39
Pentode
1939
IO
ARP31 ARP34 BVA246 CV1053 CV1464 CV5110 OM6 VR53 W147

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF40
Pentode
1948
B8A
CV3885

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF41
Pentode
1947
B8A
62-VP 6CJ5 6F16 7F16 CV3886 W150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF42
Pentode
1947
B8A
CV3887 Z150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF5
Pentode
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF50
Pentode
1939
B9G
63SPT ARP35 CV1091 CV1578 POVT207 VR91 VT-250 Z90

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF51
Pentode
1942

CV305

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF52
Pentode

CV327

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF54
Pentode
1947
B9G
CV380 CV1136 VR136

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF55
Pentode
1946
B9G
CV173

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF6
Pentode
1938
Ct8
MEF6 TEF6 VEF6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF7
Pentode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF70
Pentode
1950
B8D & B8D/F
CV467

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF71
Pentode
1950
B8D & B8D/F
CV475

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF72
Pentode
1950
B8D & B8D/F
CV465

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF73
Pentode
1950
B8D & B8D/F
CV466

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF730
Pentode

5636 CV3928

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF731
Pentode
1958
B8D & B8D/F
5899 CV477

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF732
Pentode
1957
B8D & B8D/F
5840 CV3929

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF734
Pentode
1958

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF74
Sub-Miniature Pentode
1958

CV472

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF75
Pentode

B8D & B8D/F

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF8
Pentode
1938
Ct8
CV1123 VR123

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF80
Pentode
1950
B9A
64SPT 6BX6 8D6 CV1376 Z152 Z719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF80A
Pentode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF800
Pentode
1952
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF804
Pentode
1951

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF812
Pentode
1959

6F23

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF83
Pentode
1956
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF85
Pentode
1951
B9A
6BY7 6F19 6F26 CV1375 W719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF86
Pentode
1953
B9A
6267 6BK8 6F22 CV2901 Z729

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF89
Pentode
1954
B9A
6DA6 CV5156

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF9
Pentode
1938
Ct8
CV1427

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF91
Pentode
1947
B7G
5A/160H 5A/160K 6AM6 6F12 8D3 CV138 HP6 SP6 Z77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF92
Pentode

B7G
6CQ6 6F21 9D6 CV131 E2016 V884 VP6 W77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF93
Pentode
1951
B7G
6BA6 6K4P CV454 PM04 W727

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF94
Pentode

B7G
6AU6 CV2524

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF95
Pentode
1951
B7G
6AK5 6DL5 CV850 DP61 PM05

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF96
Pentode

6AG5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF97
Pentode
1959
B7G
6ES6 6K8P

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EF98
Pentode
1957
B7G
6ET6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EFF51
Double Pentode
1941
B9G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EFM1
Pentode Tuning Indicator
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EFM11
Pentode Tuning Indicator
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EFP60
Secondary Emission Pentode
1947
B9G
CV5108

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EH2
Heptode
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EH90
Heptode
1954
B7G
6CS6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EHA5000
Triode
1951

889R ESA5000

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EHT1

CV19

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EHW5000
Triode
1961

889 ESW5000

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EI834
Double Triode
1946

6AS7G CV2523

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EK2
Octode
1938
Ct8
CV1426

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EK3
Octode
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EK32
Octode
1940
IO
AG8 CV1057 CV1570 OM8 VR57

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EK90
Heptode
1951
B7G
6BE6 CV453 HM04 X727 X77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL-C1K
Thyratron
1953
UX4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL-C1K/B
Thyratron
1958
UX4
7319

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL11
Pentode
1938
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL1C
Rectiifier FW
1953

3B22 CV3815

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL12
Pentode
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL12N
Pentode
1956
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL12Spec
Pentode
1940
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL13
Pentode
1949
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL131
Pentode
1955
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL2
Pentode
1938
Ct8
CV1429

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL22
Pentode
1946
B8B
CV304

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL3
Pentode
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL300
Pentode
1960

6FN5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL31
Pentode
1948
IO
CV2888

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL32
Pentode
1940
IO
CV1052 OM9 POVT181 VT52

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL33
Pentode
1938
IO
6AG6G 6M6G BVA266 CV2938 KT61 N147 PP6BG

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL34
Pentode
1954
IO
6CA7 CV1741 KT77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL34-B
Pentode

IO
6CA7 CV1741 EL34 KT77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL35
Pentode
1945
IO
6L6G CV1286 NR77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL36
Pentode Line Output
1956
IO
6P31S

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL-36
Pentode Audio Output
1940
IO
CV2940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL360
Pentode
1958
IO
11E14 CV5830

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL37
Pentode
1946
IO
6L6G CV586 CV1947 KT66 PP60 VT75

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL38
Line Output Pentode
1946
IO
6CN6 CV450

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL38M
Line Output Pentode
1946

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL38R
Beam Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL41
Pentode
1947
B8A
67PT 6CK5 CV3889 N150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL42
Pentode
1947
B8A
BF62 CV3890 N151

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL5
Pentode
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL50
Pentode
1939
Ct8
CV2941

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL503
Beam Tetrode
1965

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL505
Beam Tetrode

B9D
6KG6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL506
Pentode
1966
B9D
7868

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL5070
Beam Tetrode
1965
B9D
8608

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL508
Pentode
1967

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL509
Penode

B9D
6KG6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL54
Pentode

4699

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL6
Pentode
1938
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL70
Pentode

CV471

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL71
Pentode

B8D & B8D/F

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL81
Pentode

B9A
6CJ6 CV2721

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL820
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL821
Pentode
1962
B9A
6CH6 7D10 CV2127

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL822
Pentode
1962
B9A
21VO6 CV2382

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL83
Pentode
1953
B9A
6CK6 CV2726

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL84
Pentode
1953
B9A
6BQ5 6P15 CV2975 N709

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL85
Pentode
1954
B9A
6BN5 CV3526 N155

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL86
Pentode
1956
B9A
6CW5 CV5094

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL89
Pentode
1955
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL90
Pentode

B7G
6AQ5 BPM04 CV1862 N727

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL91
Pentode
1949
B7G
16A 6AM5 6P17 7D9 CV136 N144 N77 V887

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL95
Pentode
1955
B7G
6DL5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EL98
Pentode

CV136

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ELL80
Double Pentode
1959
B9A
6HU8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ELY-18A202B
Camera Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ELY-18A202D
Camera Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ELY-18A208D
Camera Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ELY07V552A
Cathode-Ray Tube

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM1
Tuning Indicator
1937
Ct8
CV2942

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM11
Tuning Indicator
1939
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM3
Tuning Indicator
1939

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM31
Tuning Indicator
1941

AW6 CV1077 VI77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM34
Tuning Indicator
1946
IO
64ME 6CD7 6M2 CV394

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM4
Tuning Indicator
1939
Ct8
CV1434

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM71
Tuning Indicator
1949
B8B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM80
Tuning Indicator
1954
B9A
6BR5 6E1P CV1352

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM81
Tuning Indicator
1956
B9A
6DA5 CV5055

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM83
Double Tuning Indicator
1958
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM84
Tuning Indicator
1959
B9A
6E3P 6FG6 CV5434

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM840
Tuning Indicator
1957

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM85
Tuning Indicator
1955
B9A
6DU6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM85E
Tuning Indicator
1959
B9A
EM84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EM87
Tuning Indicator
1961
B9A
6E2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EMM801
Double Tuning Indicator
1957
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EMM803
Double Tuning Indicator
1963
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN10
Strobe Tube
1961
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN30
Thyratron
1959

CV2349

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN31
Thyratron
1947
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN32
Thyratron
1958
IO
6574 CV2253 PL6574

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN70
Thyratron
1959

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN71
Thyratron

CV474

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN91
Thyratron
1944
B7G
20A3 2D21 4G/280K CV797 E1955

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN92
Thyratron
1959

5696 CV3512

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EN93
Thyratron

6D4 C437 CV1949

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EPF80
Secondary Emission Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EQ80
Nonode
1950
B9A
6BE7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ER
Triode
1915

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ER21A
Thyratron

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ER227
Triode

UX5
227 27

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ES1001
Triode
1957

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ES204A

204A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ES250M
Triode
1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ES30
Transmitting Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ES75
Triode
1935

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ES833
Triode
1938

833

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ES85
Triode
1961

211 242C 4242A CV25 UE311

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESA2500
Triode
1955

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESA892

892R

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESG75
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU101
Rectifier MV
1961

2V/301A 2V/301B CV1072 CV1626 GU50 RG1-240A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU103
Rectifier HW
1961

2G/402A 3B28 GXU1

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU112
Rectifier HW

2S/460A CV8265

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU115
Rectifier HW
1961

2V/302B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU150
Rectifier MV
1948
CV1029 VU29

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU200
Rectifier MV
1961

AH221 CV5 GU21 RG4-1250

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU300
Rectifier MV
1943

4049 CV1355

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU400
Rectifier MV
1948

575A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU74
Rectifier HW
1960

CV74

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU75
Rectifier MV
1948

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU76
Rectifier MV
1953

2V/395C CV2946

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU77
Rectifier HW
1961

2S/460C A207 CV2160

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU866
Rectifier MV
1952

2V/400A 3B28 866A AH201 CV32 GU12 RG3-250A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU866ES
Rectifier HW
1961

2V/400C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESU872
Rectifier MV
1961

4064B 872 872A AH217 CV642

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESW204
Triode
1948

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESW207
Triode

207

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ESW501
Triode
1936

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ET1
Electrometer Triode
1939
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

ET51
Beam-X Tube
1960
6700 CV5277

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EX610
Triode
1925
UX4
10 CV603

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EXG
Triode
1916

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Experimental

1917

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY500
Rectifier HW
1967

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY500A
Rectifier HW
1968
B9D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY51
Rectifier HW
1948
6X2 CV426 R12 SU61 U151 U43

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY70
Rectifier HW

B8D & B8D/F
CV473

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY802
Rectifier HW
1967
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY81
Rectifier HW
1958
B9A
6R3

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY83
Rectifier HW
1946
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY84
Rectifier HW

B9A
CV2235 M8091 R18

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY86
Rectifier HW
1956
B9A
6S2 CV2966

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY86/87
Rectifier HW
1956
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY87
Rectifier HW
1956
B9A
6S2A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY88
Rectifier HW
1959
B9A
6AL3

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EY91
Rectifier HW
1948
B7G
CV135

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ1
Rectifier FW
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ11
Rectifier FW
1938
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ12
Rectifier FW
1938
Footless Steel Valves Footless Valves

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ2
Rectifier FW
1937
Ct8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ22
Rectifier FW
1941

7Z4 CV346

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ3
Rectifier FW
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ35
Rectifier FW
1946
IO
6X5GT CV574 U147 U70

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ4
Rectifier FW
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ40
Rectifier FW
1954
B8A
66KU 6BT4 CV3891 U150 U718 UU9

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ41
Rectifier FW

B8A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ80
Rectifier FW
1954
B9A
6V4 CV1535

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ81
Rectifier FW
1954
B9A
6CA4 CV5072 U709 UU12

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

EZ90
Rectifier FW

B7G
6X4 CV493 U78

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Electrad Diode
Diode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Electron Relay
Triode

UV The Shaw Base

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