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Valve Types and Equivalents

    
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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-1
Triode
 
 
WE-203A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-2
Triode
 
 
WE-205B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-3
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-4A
Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-4B
Triode
 
 
211
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-4C
Triode
 
 
211 JAN
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-5
Triode
 
 
215A 4215a WE-215A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-6
Triode
 
 
212A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-7
Triode
 
 
WX-12
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-8
Triode
 
 
UV-204
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-10
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-11
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-12
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-13
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-14
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-16
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-17
Power Tetrode
 
 
860 CV640 GC860
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-18
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-19
Tetrode
 
 
861
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-20
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-21
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-22
Triode
 
 
204A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-23
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-24
Triode
 
 
864
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-25
Triode
 
 
10
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-25A
 
 
 
 Special 10
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-26
Tetrode
 
 
22
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-27
Triode
 
 
30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-28
Tetrode
 
 
24 24A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-29
Triode
1936
 
27
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-30
 
 
 
01A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-31
Power Tetrode
 
31 CV1031 ESG250 SG250 VT31
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-32
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-33
Pentode
 
 
33
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-34
Triode
 
 
207
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-35
Tetrode
 
 
35/51
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-36
 
1936
 
36
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-37
Triode
1936
 
37
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-38
Pentode
 
 
38
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-39
Rectifier HW
 
 
869
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-39A
 
 
 
869A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-40
Triode
 
 
40
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-41
Triode
 
 
851
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-42
Rectifier HW
 
 
872
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-42A
 
 
 
 Special 872
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-43
Triode
1932
 
845
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-44
Tetrode
1936
 
32
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-45
Triode
1936
 
45
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-46
Rectifier HW
 
 
866
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-46A
 
 
 
866A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-47
Pentode
 
 
47
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-48
Pentode
1936
 
41
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-49
 
 
 
39 44
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-50
Triode
 
 
50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-51
Triode
 
 
841
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-52
Triode
1936
 
45spec CV596
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-53
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-54
Pentode
 
 
34
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-55
Tetrode
 
 
865
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-56
Triode
1932
 
56
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-57
Pentode
 
 
57
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-58
Pentode
1936
 
58
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-60
Beam Tetrode
 
UX5
8018 CV1060
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-60A
Beam Tetrode
 
 
807
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-62
Triode
 
 
801 801A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-63
Triode
1936
 
46
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-64
Triode
 
 
800
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-65
Triode
 
IO
6C5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-65A
Triode
 
 
6C5G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-66
Pentode
1936
 
6F6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-66A
Pentode
1936
 
6F6G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-67
Triode
 
 
 Special 30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-68
Double Diode Pentode
 
 
6B7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-69
Pentode
1936
 
6D6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-70
Triode Pentode
1940
 
6F7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-72
Triode
 
 
842
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-73
 
 
 
843
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-74
Rectifier FW
1935
IO
5Z4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-75
Double Diode Triode
1933
 
75
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-76
Triode
1933
 
76
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-77
Pentode
1939
 
77
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-78
Pentode
1932
 
78
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-80
Rectifier FW
1936
UX4
80
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-83
Rectifier HW
1936
 
83
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-84
Rectifier FW
1937
 
6Z4 84
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-86
Pentode
1936
IO
6K7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-86A
Pentode
1936
 
6K7G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-86B
Pentode
1936
 
6K7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-87
Heptode
1937
 
6L7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-87A
Heptode
1936
 
6L7G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-88
Double Diode Triode
1936
 
6R7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-88A
Double Diode Triode
1936
 
6R7G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-88B
Double Diode Triode
1936
 
6R7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-89
Pentode
 
 
89
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-90
Double Diode
1936
IO
6H6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-90A
Double Diode
1940
 
6H6GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-91
Pentode
1936
IO
6J7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-91A
Pentode
1936
 
6J7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-92
Double Diode Triode
1936
 
6Q7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-92A
Double Diode Triode
1936
 
6Q7G CV587 NR68 POVT194
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-93
Double Diode Pentode
1937
IO
6B8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-93A
Double Diode Pentode
1937
 
6B8G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-94
Triode
1936
IO
6J5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-94A
Triode
1936
 
6J5G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-94B
Triode
 
 
 Special 6J5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-94C
Triode
 
 
 Special 6J5G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-94D
Triode
1940
IO
6J5GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-95
Triode
1936
 
2A3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-96
Double Triode
1936
IO
6N7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-96B
Double Triode
 
 
 Special 6N7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-97
Rectifier FW
 
 
5W4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-98
Tuning Indicator
 
 
6G5 6U5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-99
Double Triode
 
 
6F8G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-100
Beam Tetrode
 
 
807
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-100A
Beam Tetrode
 
 
 Special 807
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-101
 
 
 
837
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-102
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-103
Double Diode Triode
1938
IO
6SQ7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-104
Double Diode Triode
1939
IO
12SQ7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-105
Double Triode
1938
 
6SC7 CV1969
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-106
Pentode
 
 
803 CV623
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-107
Beam Tetrode
1936
IO
6V6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-107A
Beam Tetrode
1936
 
6V6GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-107B
Beam Tetrode
1936
IO
6V6G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-108
Triode
 
 
450TH
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-109
Thyratron
 
 
2051
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-111
Cathode-Ray Tube
 
 
1802P4 5BP4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-112
Pentode
 
 
1852 6AC7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-114
Rectifier FW
1937
 
5T4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-115
Beam Tetrode
1936
 
6L6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-115A
Beam Tetrode
1936
IO
6L6G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-115B
Beam Tetrode
1936
 
6L6GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-116
Pentode
1938
IO
6SJ7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-116A
Pentode
1940
IO
6SJ7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-116B
Pentode
 
 
6SJ7Y
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-117
Pentode
1938
IO
6SK7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-117A
Pentode
1940
 
6SK7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-118
Double Beam Tetrode
 
B7A
832
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-119
Rectifier EHT
1939
UX4
2X2 879
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-120
Pentode
 
 
954
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-121
Triode
1934
38955 955 CV1059
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-122
Triode
 
 
530
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-123
Triode
 
 
3-5586
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-124
Pentode
 
 
1A5GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-125
Pentode
 
 
1C5GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-126
Rectifier FW
 
 
6X5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-126A
Rectifier FW
 
 
6X5G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-126B
Rectifier FW
 
IO
6X5GT/G 6X5GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-127
Triode
 
 
100TS
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-127A
Triode
 
 Special 100TS 3-100D2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-128
Triode
 
 
 Special 100TS
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-129
Triode
 
 
304TL
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-130
Triode
 
 
250TL
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-131
Pentode
1939
IO
12SK7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-132
Triode Hexode
 
 
 Special 12K8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-133
Double Diode Triode
1939
IO
12SR7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-134
Beam Tetrode
 
IO
12A6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-135
Triode
 
IO
12J5GT CV535
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-135A
Triode
 
 
12J5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-136
Beam Tetrode
 
 
1625
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-137
Triode
1941
IO
1626
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-138
Tuning Indicator
1942
 
1629 CV1756
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-139
Voltage Stabiliser
 
IO
0D3 VR150/30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-140
Triode
 
 
1628
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-141
Rectifier FW
 
 
531
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-142
Triode
 
 
WE-390Yl
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-143
Triode
 
 
805
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-144
Tetrode
 
813
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-145
Rectifier FW
 
 
5Z3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-146
Pentode
 
 
1N5GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-147
Heptode
1937
 
1A7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-148
Diode Triode Pentode
1941
 
1D8GT CV1811
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-149
 
 
 
3A8GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-150
Heptode
1937
 
6SA7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-150A
Heptode
1940
 
6SA7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-151
Heptode
 
 
6A8G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-151B
Heptode
 
 
6A8GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-152
Pentode
 
 
6K6GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-152A
Pentode
 
 
6K6G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-153
Double Diode Pentode
 
IO
12C8 Special
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-154
Tetrode
 
 
814
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-155
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-156
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-157
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-158
Triode
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-159
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-160
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-161
Heptode
1939
 
12SA7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-162
Pentode
1939
IO
12SJ7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-163
Double Triode
1937
 
6C8G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-164
Pentode
 
 
1619
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-165
Beam Tetrode
 
 
1624
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-166
Rectifier FW
 
371A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-167
Triode Hexode
1938
IO
6K8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-167A
Triode Hexode
1938
 
6K8G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-168A
Tetrode
 
 
6Y6G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-169
Double Diode Pentode
1939
 
12C8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-170
Pentode
 
 
1E5-Gp
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-171
Heptode
1945
 
1R5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-171A
Heptode
 
 
1R5 Loctal
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-172
Diode Pentode
 
B7G
1S5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-173
Pentode
1940
B7G
1T4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-174
Pentode
1941
 
3S4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-175
Pentode
 
 
1613 CV655
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-176
Pentode
1941
 
1853 6AB7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-177
Diode Triode
 
 
1LH4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-178
Heptode
1939
 
1LC6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-179
Pentode
 
B8B
1LN5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-180
Beam Tetrode
 
 
3LF4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-181
Rectifier FW
1941
 
7Z4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-182
Double Triode
 
 
1291 3B7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-183
Diode
 
 
1294 1R4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-184
Voltage Stabiliser
 
 
VR90-30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-185
Pentode
 
B8B
3D6 3D6/1299
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-186
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-187
Rectifier HW
 
 
575A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-188
Double Diode Triode
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-189
Double Triode
1940
 
7F7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-190
Pentode
1940
 
7H7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-191
Triode
 
 
316A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-192
Triode
 
 
7A4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-193
Pentode
 
 
6W7G 7C7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-194
Heptode
 
 
7J7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-195
Rectifier FW
 
 
1005
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-196
Rectifier FW
 
 
6W5G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-197A
Rectifier FW
1936
 
5Y3GT/G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-198A
Pentode
 
 
6G6G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-199
Pentode
 
 
6SS7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-200
Voltage Stabiliser
1939
 
VR105/30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-201
Beam Tetrode
 
 
25L6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-201C
Beam Tetrode
 
 
25L6GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-202
Pentode
1943
B7G
9002
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-203
Pentode
1943
B7G
9003
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-204
Triode
1945
UX4
24G 3C24 B1109 CV789 HK24G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-205
Double Diode Triode
1941
 
6ST7 CV1996
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-206A
Rectifier FW
 
 
5V4G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-207
Double Triode
1941
 
12AH7GT CV529
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-208
Heptode
1939
 
7B8
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-209
Pentode
1940
IO
12SG7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-210
Pentode
 
 
1S4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-211
Pentode
1940
IO
6SG7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-212
Pentode
1933
 
958
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-213A
Triode
 
 
6L5G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-214
Double Diode
1940
IO
12H6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-215
Tuning Indicator
1935
UX6
60 6E5 CV1906
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-216
Rectifier FW
 
 
816
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-217
Triode
 
 
811
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-218
Triode
1949
 
100TH
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-219
 
 
 
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-220
Triode
 
 
250TH
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-221
Beam Tetrode
 
 
3Q5GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-222
Thyratron
 
IO
884
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-223
Diode Triode
 
 
1H5GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-224
Double Triode
 
 
2C34 RK-34
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-225
Pentode
 
 
307A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-226
Cathode-Ray Tube
 
 
1806P1 3EP1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-227
Pentode
 
 
7184
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-229
Double Triode
 
IO
6SL7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-230
Beam Tetrode
 
 
35QA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-231
Double Triode
1941
IO
6SN7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-232
Triode
 
 
CV6 DET20 E1148
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-233
Double Diode Triode
1940
 
6SR7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-234
Triode
 
 
HY-114B
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-235
Triode
 
 
CV3506 HY615 HY615
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-236
Rectifier HW
1938
 
836
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-237
Pentode
 
 
957
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-238
Pentode
 
 
956
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-239
Triode
1940
 
1LE3
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-240
Triode
 
 
710A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-241
Triode
 
 
1201 7E5
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-243
Diode
 
 
1203A 7C4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-244
Rectifier FW
1938
IO
5U4G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-245
Thyratron
 
 
2050
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-246
Photocell
 
 
918
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-247
Pentode
1939
 
6AG7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-248
Cathode-Ray Tube
 
 
1806P
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-249
Rectifier FW
 
 
1006
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-250
Pentode
1939
 
EF50
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-251
Photocell
 
 
441
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-252
Photocell
 
 
923
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-254
Triode
 
 
304TH
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-255
Rectifier HW
 
 
705A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-256
Magnetron
 
 
ZP486
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-257
Magnetron
 
 
K-7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-259
Double Beam Tetrode
 
 
829
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-260
Voltage Stabiliser
 
 
VR75/30
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-264
Pentode
 
 
3Q4
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-266
Rectifier HW
1942
UX4
1616
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-267
Rectifier HW
 
 
578
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-268
Double Triode
 
 
12SC7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-269
Pentode
 
IO
717A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-277
Reflex Klystron
 
 
417A CV2642 WL-417A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-279
 
 
 
D161831 GY-2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-280
Photocell
 
 
C7063
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-281
Pentode
 
 
HY-145ZT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-282
Thyratron
 
 
ZG489
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-283
Pentode
 
 
QF-206
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-284
Diode
 
 
QF-197
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-285
Triode
 
 
QF-200C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-286
Double Beam Tetrode
 
 
832A
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-287
Double Beam Tetrode
 
 
815
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-288
Pentode
 
IO
12SH7
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-289
Double Triode
 
 
12SL7GT
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
VT-360
GM Tube
 
 
CV2886 M2H
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