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Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4001
Rectifier FW
 
B7G
CV493 CV4005 F/6063 VX7113
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4002
Pentode
1953
B7G
F/6064 M8140
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4003
Double Triode SQ ECC82
1956
B9A
12AU7A 6067 M8136 VX7058
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4004
Double Triode SQ ECC83
 
B9A
6057 M8137 VX7059
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4005
Rectifier FW
1959
B7G
6063 6X4W EZ90 QA2407 U78 VX7061
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4006
Pentode
 
B9A
6059 CV2135 VX7081
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4007
Double Diode
1952
B7G
5726 6097 6AL5W E91AA M8212
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4008
Triode
 
 
5719
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4009
Pentode
 
B7G
5749 6BA6W CV454
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4010
Pentode SQ EF95
1948
B7G
5654 6096 6AK5W M8100 VX8100
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4011
Pentode
1950
B7G
5725 6AS6W CV2884 M8196
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4012
Heptode
1957
B7G
5750 6BE6W CV453
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4013
Double Triode
1956
B9A
5670 CV5166
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4014
Pentode SQ EF91
1953
B7G
6064 A3064 M8083
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4015
Pentode SQ EF92
 
 
6065 M8161 QA2400 VX7075
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4016
Double Triode
 
 
5814 5814A 5814WA CV4003 CV4032 CV5046
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4017
Double Triode
1953
B9A
5751WA 5751
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4018
Thyratron
 
 
2D21W 5727 M8204
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4019
Pentode
 
 
6005 6AQ5W M8245
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4020
Voltage Stabiliser
 
B7G
0A2WA CV1832 CV4100 M8223
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4021
Rectifier HW
 
 
3B24WA CV812 CV2858
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4022
Triode
 
 
6135 M8080
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4023
Pentode
 
B7G
6AU6WA 6AU6WB CV2524 CV8403
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4024
Double Triode SQ ECC81
 
B9A
12AT7WA 6060 M8162 QA2406
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4025
Double Diode
 
B7G
6058 6AL5 CV4007 M8079 QA2404
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4026
Rectifier FW
 
 
5R4WGA CV717
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4027
Rectifier FW
 
 
5Y3WGTA CV1856
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4028
Voltage Stabiliser
1955
B7G
0B2WA 6074 CV1833 CV4101 M8224
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4029
Pentode
 
 
5902 EL71
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4030
Voltage Stabiliser
 
 
CV434 G75/3G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4031
Double Triode SQ ECC91
1963
B7G
6101/6J6WA 6J6WA M8081
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4032
Double Triode
 
 
5814WA
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4033
Double Triode - Flying Leads
 
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4034
Double Triode
 
 
CV4003 F/6067 M8149 VX7120
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4035
Double Triode
 
CV4004 F/6057 M8214 VX7128
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4036
Rectifier HW
 
 
CV4044 F/6443 F/8141 M8141
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4037
Heptode
 
 
CV4012 F/5750 VX7119
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4038
Triode
 
 
E2359
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4039
Pentode
 
B9A
6062 CV2129 M8096 VX7080
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4040
Pentode
 
 
CV416 S6F17
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4041
Pentode
 
 
CV4040 S6F17F
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4042
Rectifier HW
 
 
19G6 CV4057 S19G6F
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4043
Tetrode
 
B9A
6061 6BW6 CV2136 VX7082
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4044
Rectifier HW
 
B9A
6443 CV2235 M8091
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4045
Beam Tetrode
 
CV2136 CV4043 F/6061 VX7503
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4046
Double Beam Tetrode
 
B9G
44A/160M CV415 TT15
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4047
Voltage Stabiliser
 
 
CV6135 G400/2G
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4048
Voltage Reference Tube
1959
B7G
0G3 85A2 CV449 M8090 QS1212 VX8098
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4049
Double Diode SQ
 
M8237
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4050
Pentode - Flying Leads
1954
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4051
Double Triode
 
 
CV4068 F/6158
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4052
Voltage Stabiliser
 
 
QS1202
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4053
Voltage Stabiliser
 
 
QS1203
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4054
Voltage Reference Tube
 
F/5654 M8142 QS1213 VX8142
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4055
Pentode (SQ)
 
B9A
6132 6CH6 CV2127 VX7102
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4056
Pentode
 
B9A
CV4055 F/6132 VX7114
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4057
Rectifier HW
 
B7G
CV371 CV4042 S19G6
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4058
Triode
1956
B7G
6100 6C4WA CV133 M8080
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4059
Diode Triode
 
B7G
CV137 M8097
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4060
Beam Tetrode
1959
IO
S11E12
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4061
Rectifier EHT
 
 
CV2289 CV9016 U37
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4062
Pentode
1959
B7G
A2134 CV2179 N78
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4063
Pentode
1962
B7G
6516 CV136 M8082
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4064
Pentode
 
B7G
CV2209 S6F33
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4065
Pentode
 
A2134 CV4062
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4066
Voltage Reference Tube
 
 
5783WA M8190
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4067
Beam Tetrode
 
 
CV471 F/7001 M8167
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4068
Double Triode
1960
B9A
13D3 6158 CV2212 VX7124
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4069
Double Triode
 
 
CV2212 CV4068 F/6158
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4070
Triode
 
 
6AQ4 CV417 M8099
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4071
Rectifier
 
IO
CV404 CV4116
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4072
Rectifier
 
 
CV404
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4075
Rectifier EHT
 
 
U60 VX3509
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4076
Double Triode
 
 
CV858 M8179
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4079
Triode
1957
A2293 VX3208
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4080
Voltage Stabiliser
 
 
75C1 M8225 M8999
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4081
Triode
1959
 
A2688 CV4107
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4082
Tetrode
 
 
A2426
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4083
Pentode
 
 
CV2209
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4084
Pentode
 
 
CV4015
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4085
Pentode
1959
B9A
CV2901 M8195
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4086
Pentode (Flying Leads)
1959
B9A
 
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4092
Tetrode
 
 
5672 CV2238
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4093
Tetrode
 
 
5678 CV2254
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4094
Tetrode
 
 
1AD4 CV2237
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4095
Tetrode (Special Version)
 
 
VX9186
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4096
Tetrode
 
 
VX9185
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4097
Tetrode
1955
B9A
S2P20 VX6137
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4098
Pentode
 
 
5725/6AS6W CV4011 CV5082
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4100
Voltage Stabiliser
 
 
0A2WA CV4020
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4101
Voltage Stabiliser
 
 
0B2WA CV4028
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4102
Pentode
 
 
CV4010
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4103
Double Diode
 
 
CV4007
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4104
Voltage Stabiliser
 
 
CV5132 M8163 VX8163C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4105
Triode
 
 
A2744 VX3527
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4106
Pentode
 
 
VX3524
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4107
Triode
 
 
A2913 CV5413
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4108
Double Triode
 
 
7308
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4109
Double Triode
 
 
7308
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4110
Double Triode (Low Noise)
 
 
7308
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4111
Double Triode (Low Noise)
 
 
7308
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4113
Double Triode (Gold Pins)
 
 
CV4003
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4114
Double Triode (Gold Pins)
 
 
CV4014
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4115
Double Triode (Gold Pins)
 
 
CV4020
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4116
Rectifier HW
 
IO
CV4071 UR45
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4117
Rectifier
 
 
VX3542
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4118
Voltage Reference Tube
 
 
CV4048
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4119
Pentode (SQ)
1952
 
CV4055
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4120
Triode
 
 
CV408 E2975
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4121
Rectifier
 
 
CV5226 UR40F
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4122
Double Triode
 
 
CV4003
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4123
Rectifier
 
 
VX3549
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4501
Pentode (Flying Leads)
1960
5A/172G 7432 CV465 VX7098 VX8121
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4502
Pentode (Flying Leads)
1960
 
5A/173G 7433 CV466 VX7099 VX8122
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4503
Pentode (Flying Leads)
1960
5A/174G 7434 CV472 CV476 VX7106 VX8124
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4504
Diode (Flying Leads)
 
2S/141G 7435 CV469 VX7126 VX8123
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4505
Rectifier HW (Flying Leads)
 
 
7436 CV473 EY70 VX8155
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4506
Pentode (Flying Leads)
 
 
5A/175G VX7507
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4507
Triode (Flying Leads)
 
 
7437 CV468 EC70 VX8156
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4508
Pentode (Flying Leads)
 
 
7438 CV467 EF70 VX8240
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4509
Triode (Flying Leads)
 
 
F3A1
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4510
Triode (Flying Leads)
 
 
F3A2
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4515
Klystron
 
 
K337 VX9081
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4516
Voltage Reference Tube
1959
 
CV4066 GD85WR VX8190C VX8253C VX9174
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4517
Pentode (Flying Leads)
 
 
5A/172G VX7517C VX8121K
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4518
Pentode (Flying Leads)
 
 
VX7518C
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4519
Pentode (Flying Leads)
 
 
CV2387 VX8124
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4520
Series Stabiliser
 
 
CV4038 VX3520
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4523
Thyratron (Tetrode)
 
 
CV474 VX9181
Type
Structure
Date
Base
PDF
Sensibly equivalent to:
CV4524
Klystron
 
 
CV4515
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