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Valve Types and Equivalents

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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W1
Triode
1924
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W10/3E
Travelling Wave Tube
1962

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W101
Pentode
1947
B8B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W107
Pentode
1952

E2047

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W118
Pentode

10F9 W145

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W119
Pentode

10F18 13EC7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W142
Pentode
1947

12AC5 UF41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W143
Pentode

B8B
7B7 7H7 CV303 EF22 W148

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W145
Pentode

10F9 W118

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W147
Pentode

IO
EF39 OM6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W148
Pentode

B8B
7H7 W81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W149
Pentode

B8B
7B7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W150
Pentode

B8A
6CJ5 EF41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W1532
Triode Hexode

CV1193 NR82 VR99 X65

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W17
Pentode
1947
B7G
1F3 1T4 CV785 DF91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W2
Triode
1924
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W21
Pentode
1937
B4
210VPT CV171 CV3804

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W21Met
Pentode
1937

210VPA 210VPT PM12M VP210 VP2 VS210 VS2

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W25
Pentode
1953
B7G
1AJ4 1F1 DF96

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W2514
Micropup Triode
1940
CV92 CV199 NT99

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W3
Triode
1925
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W30
Pentode
1934
B7
VPTS W31

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W30K
Pentode
1934

CV3805

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W31
Pentode
1935
B7
CV3806 CV3807

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W412
Triode
1931

WD4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W42
Pentode
1936
B7
CV1183 NR61

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W42M
Pentode

A50P AC/VP2 MVSPen/B VP4B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W5534
Twin W2514 (NT99) Assembly
1940
CV92 CV1256 NT99 W2514

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W61
Pentode

IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W61M
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W63
Pentode
1937
IO
6K7G KTW63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W7/4G
Travelling Wave Tube

CV6162

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W719
Pentode
1955

6F26 7BY7 EF85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W727
Pentode
1954
B7G
6BA6 CV454 EF93

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W729
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W739
Pentode
1956

6EC7 6F18

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W76
Pentode
1945
IO
12K7GT KTW74M

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W7/2D
Travelling Wave Tube
1952
CV2188

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W77
Pentode
1949
B7G
6CQ6 9D6 CV131 EF92 V884

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W81
Pentode
1947
B8B
7H7 W143 W148

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

W9/2E
Travelling Wave Tube
1962

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD11
Triode
1922
11 C11 SLD11 WD-11

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD119
Double Diode Pentode
1952

10FD12 19FL8 UBF89

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD12
Triode
1923
D12 VT-12

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD142
Diode Pentode
1948
B8A
UAF42

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD2
Triode
1927
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD30
Double Diode Pentode
1935
B9
CV3810 CV3811

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD4
Triode
1927
B4
W412

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD40
Double Diode Pentode
1935
B9

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WD709
Double Diode Pentode
1950
B9A
6N8 EBF80 ZD152

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WE252A
Triode
1936
UX4
252A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Weagent
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

Wecovalve
Triode
1923

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

White
Triode
1916

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WL681/686
Ignitron
1946
5550 GL415

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WL-417A
Klystron

IO
417A CV2642 VT-277

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WL-532
Spark Gap
1945
1B32 CV2648

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WL734
Photocell

CE1V R59AV VS118 WL734

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WL735
Photocell

3554 4GSM 50CG 868 CE1 CMG32 G8 GS146 NU.1 PJ23 R59A WL735

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WL737
Photocell

4GC 814A CE2 GS117A NU2 R71A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WR1
Triode
1924
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WR2
Triode
1924
B4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

WT501
Triode

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