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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
 
 
 
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:
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
 
 
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
 
1AJ4 1F1 DF96
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:
W42
Pentode
1936
 
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:
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:
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:
WD119
Double Diode Pentode
1952
 
10FD12 19FL8 UBF89
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
WD142
Diode Pentode
1948
B8A
UAF42
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
WD30
Double Diode Pentode
1935
 
CV3810 CV3811
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:
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
 
 
417A CV2642 VT-277
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
 
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