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Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6/30L2
Double Triode
1958
B9A
6GA8 B729 ECC804

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

60
Tuning Indicator
1935

6E5 CV1906

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6A3
Triode
1940
UX4
CV730

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6A6
Double Triode
1933
UX7
CV1867

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6A7
Heptode
1933
UX7
CV1870

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6A7E
Heptode
1936
UX7
6A7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6A7S
Heptode (Metalised)
1933

6A7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6A8
Heptode
1936
IO
CV579 X63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6A8G
Heptode
1937
IO
CV578 X63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6A8GT
Heptode
1937
IO
CV580

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AB4
Triode
1952
B7G
EC92

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AB5/6N5
Tuning Indicator

CV843

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AB6
Double Triode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AB7
Pentode
1941
IO
1853 6AB7/1853 CV661 CV1873

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AB7/1853
Pentode
1941

6AB7 CV1873

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AB8
Triode Pentode
1950
B9A
63TP ECL80 LN152

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AC10
Triple Triode
1962
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AC5
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AC5G
Triode
1940

CV844

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AC5GT
Triode
1940

CV845

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AC7
Pentode

IO
1852 6AJ7 CV660 CV747 CV846 CV849

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AC7W
Pentode

IO
CV3924

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AD10
Double Pentode
1966
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AD6G
Tuning Indicator
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AD7G
Triode Pentode
1940

CV1878

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AE6G
Twin Anode Triode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AE7GT
Twin Input Triode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AF4
Triode
1954

CV5036 EC94

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AF4A
Triode

B7G
CV5074

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AF6G
Thyratron

CV847

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AG5
Pentode

B7G
6186 6J3P CV848 EF96

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AG6G
Pentode
1940

CV1438 EL33 KT61

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AG7
Pentode
1939
IO
CV1882

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AG7Y
Pentode

IO
CV3978

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AH6
Beam Tetrode
1947
B7G
CV2521

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AH7
Pentode

6AK7 CV1784

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AJ7
Pentode

IO
6AC7 CV747 CV849

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AJ8
Triode Heptode
1951
B9A
6C12 CV2128 ECH81 X719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AK5
Pentode
1942
B7G
403A 5654 6069 6AK5W 6F32V 731A CV850 DP61 EF95 M8100 PM05

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AK5W
Pentode
1954
B7G
5654W 5654 6096 CV2877 E95F M8100

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AK6
Pentode

CV1762

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AK7
Pentode

6AH7 CV1784

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

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

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AL5
Double Diode
1945
B7G
6058 6D2 CV140 CV283 D152 D77 DD6 EAA91 EB91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AL5W
Double Diode

B7G
5726 CV2882 CV4007 E91AA M8212

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AL7GT
Tuning Indicator

CV3707

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AM4
Triode
1954
B9A
CV5073

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

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

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AM6
Pentode
1947
B7G
5A/160H 5A/160K 6F12 8D3 CV138 EF91 HP6 PM07 SP6 Z77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AN4
Triode
1954

CV3989

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AN5
Tetrode

CV2854

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AN5WA
Pentode
1957
B7G
CV2854 CV5182

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AN8
Triode Pentode
1954
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AN8A
Triode Pentode
1954
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AQ4
Triode

B7G
6L34 CV417 EC91 M8099

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AQ5
Pentode
1950
B7G
BPM04 CV1862 EL90 N727

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AQ5W
Pentode

B7G
CV2883

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AQ6
Double Diode Triode

CV2937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AQ8
Double Triode
1954
B9A
6L12 B719 ECC85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AR11
Double Pentode
1967

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AR6
Tetrode
1949

CV3613

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AR8
Gated Beam Device
1955
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AS5
Beam Tetrode
1948
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AS6
Pentode
1949
B7G
409A 5725 6AS6W CV2522 CV4011

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AS6W
Pentode
1960
B7G
5725 6187 CV4011

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AS7
Double Triode
1946

6AS7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AS7G
Double Triode
1946
IO
6520 6AS7 6N13S A1834 A4475 CV2523 CV2523 ECC230 EI834

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AT6
Double Diode Triode
1946
B7G
6066 CV452 DH77 EBC90

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU4GTA
Rectifier HW
1955
IO
6Z17S

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU5
Beam Pentode
1949

6AU5GT

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU5GT
Beam Pentode
1949
IO
6AU5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU6
Pentode
1946
B7G
6AU6A 6AU6WA 6AU6WB 6AU6WC 6J4P 6P2 CV2524 EF94

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU6A
Pentode
1958
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU6WA
Pentode
1952
B7G
6136 CV4023

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU6WB
Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU6WC
Pentode

B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU7
Triode
1960

CV5052

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AU8
Triode Pentode
1953
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AV5GA
Pentode
1958
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AV6
Double Diode Triode
1948
B7G
6BC32 CV2526 EBC91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6AW8A
Triode Pentode
1956

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B4G
Triode
1937
IO
CV851

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B5
Double Triode
1937

CV1885

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B6G
Double Triode
1940

CV1887

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B7
Double Diode Pentode
1932
UX7
CV1891

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B7G
Double Diode Pentode
1937
UX7
CV1890

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B7S
Double Diode Pentode
1933
UX7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B8
Double Diode Pentode
1937
IO
CV1894 VT-93

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B8G
Double Diode Pentode
1937
IO
6B8EG CV1893 VT-93A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6B8GT
Double Diode Pentode
1937
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BA5
Pentode
1948
B8D & B8D/F

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BA6
Pentode
1950
B7G
5749 CV454 EF93 PM04 W727

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BA6W
Pentode

B7G
CV5037

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BA7
Heptode

CV2527

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BC4
Triode

CV5038

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BC7
Triple Diode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BC8
Double Triode
1956

6BZ8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BD7A
Double Diode Triode
1954

6LD13 EBC81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BE6
Heptode
1950
B7G
5750 CV453 EK90 HM04 X727 X77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BE6W
Heptode
1957
B7G
5750 CV4012

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BE7
Nonode
1950

EQ80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BF11
Double Pentode
1964

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BF7
Rectifier FW

CV3894

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BG6G
Beam Tetrode
1946
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BH6
Pentode
1947
B7G
CV3908

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BJ6
Pentode
1947
B7G
CV3909

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BJ8
Double Diode Triode
1958

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BK4
Voltage Stabiliser

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BK7B
Double Triode

12AV7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BK8
Pentode

6267 EF86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BL7
Double Triode
1950

CV5039

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BL7GT
Double Triode
1950
IO
CV5039

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BL8
Triode Pentode

B9A
6C16 CV5215 ECF80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BM6
Klystron
1948
CV3615

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BM6A
Velocity Modulated Valve

CV3939

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BM8
Triode Pentode
1956
B9A
6F3P 6PL12 ECL82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BN11
Double Pentode
1965
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BN4
Triode
1957

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BN4A
Triode
1960
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BN5
Pentode

CV3526 EL85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BN6
Pentode

B7G
CV3616

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BN8
Double Diode Triode
1958
B9A
CV9856

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BQ5
Pentode
1953
B9A
6P15 CV2975 EL84 N709

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BQ6G/GT
Tetrode

CV5040

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BQ7A
Double Triode
1954
B9A
CV5365

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BR5
Tuning Indicator

65ME CV1352 EM80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BR6
Velocity Modulated Valve

CV3614

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BR7
Pentode

B9A
6059 8D5 CV2135

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BR8
Triode Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BR8A
Triode Pentode
1958
B9A
6FV8A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BS7
Pentode

B9A
8D7 CV5086

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BT4
Rectifier FW

66KU CV3891 EZ40 U150 U718 UU9

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BV8
Double Diode Triode
1955
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BW4
Rectifier FW
1955
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BW6
Beam Tetrode
1950
B9A
CV2136 CV4043

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BW7
Pentode
1952
B9A
64SPT 6BX6 6F28 8D6 CV1376 EF80 Z152 Z719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BX6
Pentode
1950
B9A
64SPT 6BW7 6F28 8D6 CV1376 EF80 Z152 Z719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BY6
Heptode
1954

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BY7
Pentode
1952
B9A
6F19 6F26 CV1375 EF85 W719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6BZ6
Pentode
1955
B7G
6JH6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C10
Triode Hexode
1950
B8A
62-TH 6CU7 CV3888 ECH42 X150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C-10
Triple Triode
1961

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C12
Triode Heptode
1955
B9A
6AJ8 CV2128 ECH81 X719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C16
Triode Pentode

6BL8 CV5215 ECF80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C18
Triode Pentode

B9A
6GV7 ECF805

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C31
Triode Heptode
1939
IO
ECH33

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C4
Triode

B7G
CV133 CV852 EC90 L77 V741

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C4WA
Triode

B7G
CV2842

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C45PI
Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C5
Triode

IO
CV582 VT-65

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C5G
Triode
1936
IO
CV581

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C5GT
Triode
1940
IO
CV583

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C6
Pentode
1936
UX6
CV585

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C7
Double Diode Triode
1940

CV854 CV1777

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C8G
Double Triode
1937
IO
CV1896 VT-163

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C9
Triode Heptode
1948
B8A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6C9.
Double Tetrode
1962

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CA4
Rectifier FW
1957

EZ81 UU12

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CA5
Pentode
1955

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CA7
Pentode
1957

CV1741 EL34

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CB6
Pentode

B7G
CV3995

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CB6A
Pentode
1957
B7G
6CF6 EF190

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CG3
Rectifier HW
1967
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CG7
Double Triode
1956
B9A
6CG7EH

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CD6G
Beam Tetrode
1952
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CF6
Pentode
1957

6CB6A EF190

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CH6
Pentode
1952
B9A
7D10 CV2127 EL821

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CJ3
Rectifier HW
1966
B9D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CJ5
Pentode
1950

62-VP 6F16 7F16 CV3886 EF41 W150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CJ6
Pentode

CV2721 EL81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CK5
Pentode
1947
B8A
67PT CV3889 EL41 N150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CL6
Pentode

B9A
CV5041

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CM4
Triode

B9A
EC86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CM7
Double Triode
1955
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CN6
Pentode
1946

CV450 EL38

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CQ6
Pentode

6F12 6F21 9D6 E2016 EF92 VP6 W77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CS6
Heptode
1954

EH90

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CT7
Diode Pentode

CV3883 EAF42

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CU7
Triode Hexode

B8A
62-C459TH 6C10 CV3888 ECH42 X150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CV7
Double Diode Triode

B8A
62DDT 6LD3 CV3882 DH150 DH718 EBC41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CW4
Nuvistor Triode
1960
Twelvar

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CW5
Pentode
1956

EL86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6CW7
Double Triode

6L16 ECC84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6D1
Diode
1938
2B35 CV1092 EA50 SD61

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6D2
Double Diode
1953
B7G
6AL5 CV140 D152 D77 DD6 EAA91 EB91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6D3
Diode
1950
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6D4
Thyratron
1944
B7G
AFX212 C2381 CV1949 EN93

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6D6
Pentode
1936
UX6
58 C1408 CV1900 VT-69

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6D7
Pentode
1933
UX7
6J7 CV1776

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6D8G
Heptode
1937

CV1902

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DA5
Tuning Indicator
1956

65ME EM81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DA6
Pentode

CV5156 EF89

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DB6
Pentode
1958

6AS6 6BJ6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DC6
Pentode
1954
B7G
CV5470

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DC8
Double Diode Pentode

6FD12 EBF89

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DJ8
Double Triode
1957
B9A
6922 Cca ECC88

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DK6
Pentode
1958
B7G
8136

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DL4
Triode

EC88

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DL5
Pentode

EL95

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DQ6A
Beam Tetrode
1956
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DR7
Double Triode
1959
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DR8
Double Diode Pentode
1957
B9A
EBF83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DS4
Nuvistor
1962
Twelvar

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DS8
Triode Heptode
1957
B9A
ECH83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DT6
Pentode
1958

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DV4
Triode Nuvistor

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DW4
Rectifier HW
1963
B9D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DX8
Triode Pentode
1959

ECL84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6DY7
Double Beam Tetrode
1958
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6E2
Tuning Indicator
1961
B9A
EM87

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6E3P
Tuning Indicator
1959
B9A
6FG6 CV5434 EM84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6E5
Tuning Indicator
1935
UX6
CV1906 VT-215

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6E5GT
Tuning Indicator
1940
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6E6
Double Triode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6E7
Pentode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6E8
Triode Hexode
1938

6E8MG

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6EA8
Triode Pentode
1958
B9A
6GH8A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6EC7
Pentode
1956

6F18 W739

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6EH7
Pentode
1960

6F29 EF183

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6EJ7
Pentode
1960

6F30 CV5810 EF184

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6EM7
Rectifier HW
1960
IO
6EA7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6EP
Cathode-Ray Tube
1958

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6ER5
Tetrode
1960
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6ES6
Pentode
1959

6K8P EF97

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6ES8
Double Triode
1959

CV5331 ECC189

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6ET6
Pentode
1959

EF98

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6EV7
Double Triode
1960
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F1
Pentode
1950
B8A
CV3841

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F11
Pentode
1948
B8A
CV1901

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F12
Pentode
1948
B7G
5A/160H 5A/160K 6AM6 8D3 CV138 EF91 HP6 PM07 SP6 Z77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F13
Pentode
1948
B8A
CV1839

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F14
Pentode
1948
B8A
CV1919

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F15
Pentode
1948
B8A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F16
Pentode
1950

62VP 6CJ5 7F16 EF41 W150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F17
Pentode
1948
B7G
5A/210K CV416 CV8031

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F18
Pentode
1956
B9A
6EC7 W739

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F19
Pentode
1959
B9A
6BY7 EF85 W719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F21
Pentode

6CQ6 9D6 E2016 EF92 VP6 W77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F22
Pentode

6267 CV2901 EF86 Z729

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F23
Pentode
1959
B9A
6EL7 EF812 Z749

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F24
Pentode

EF814

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F25
Pentode

EF811

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F26
Pentode
1960
B9A
6BY7 EF85 W719

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F28
Pentode
1961
B9A
EE80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F29
Pentode

B9A
6EH7 EF183

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F30
Pentode
1960
B9A
6EJ7 CV5810 EF184

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6.F.32
Pentode
1948
MO
5A/200D CV343 CV1116 VR116

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F32
Pentode
1953

6AK5 6J1P EF95 EP251

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F33
Pentode
1949
B7G
5A/201K CV329 CV2209 S6F33

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F4
Triode

CV2939

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F5
Triode
1940
IO
CV1909

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F5G
Triode
1940

CV1073 CV1908 H63 VT73

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F5GT
Triode
1940
IO
CV715 CV1910

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F6
Pentode
1936
IO
ARP17 CV1912 KT63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F66
Tetrode (Power)

6166A CR192A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F6G
Pentode
1936
IO
ARP17 CV1186 CV1911 KT63 NR85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F6GT
Pentode
1936
IO
CV731

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F6GT/G
Pentode
1936
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F7
Triode Pentode
1936
UX7
CV1915

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F7B

1940
UX7

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6F8G
Double Triode
1943
IO
CV1917

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6FD12
Double Diode Pentode

6DC8 EBF89

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6FG6
Tuning Indicator

EM84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6FL2
Triode Beam Tetrode

ECF812

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6FN5
Pentode

IO
EL300

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6FQ5A
Triode
1960

6GK5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6FV8A
Triode Pentode
1958
B9A
6BR8A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6FY5
Triode
1962
B7G
EC97

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6G5G
Tuning Indicator
1937

6M1 6UG5

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6G6G
Pentode
1937
IO
CV1926 VT-198A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6G8G
Double Diode Pentode

CV856

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GA8
Double Triode

6/30L2 ECC804

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GE5
Beam Tetrode
1961
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GE8
Triode Pentode
1963

7734

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GF5
Beam Pentode
1961
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GH8A
Triode Pentode
1961
B9A
6EA8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GK5
Triode
1961

6FQ5A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GM8
Double Triode
1959
B9A
ECC86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GU7
Double Triode
1963
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GT5
Beam Tetrode
1963

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GV7
Triode Pentode

B9A
6C18 ECF805

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GV8
Triode Pentode

ECL85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GW8
Triode Pentode
1961
B9A
CV8297 ECL86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6GY8
Triple Triode
1962
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H1
Hexode

6A/203K CV132

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H5
Tuning Indicator
1936

6M1 6U5G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H6
Double Diode
1935
IO
CV1930 D63 VT-90

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H6G
Double Diode
1935
IO
ARDD3 CV1301 CV1929 D63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H6GT
Double Diode
1940
IO
CV1931 D63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H6GT/G
Double Diode
1940
IO
VT-90A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H6GTY
Double Diode
1936
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H8
Double Diode Pentode
1939
IO
6H8MG

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6H8MG
Double Diode Pentode
1939

6H8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6HG8
Triode Pentode

ECF86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6HS6
Pentode
1962
B7G

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6HU6
Tuning Indicator

EM87

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6HU8
Double Pentode

ELL80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J11
Double Pentode
1961
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J3P
Pentode
1950

6AG5 EF96

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J4
Triode
1950

6S2P A2209 CV1763

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J4WA
Triode
1958
B7G
CV5029 M8232

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J5
Triode
1936
IO
6C5 CV1933 VT-94

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J5G
Triode
1936
IO
CV1067 CV1932 L63 VR67

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J5GT
Triode
1936
IO
CV1934

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J5GT/G
Triode
1940
IO
VT-94D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J6
Double Triode
1956
B7G
CV858 ECC91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J6W
Double Triode
1962
B7G
CV2843

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J6WA
Double Triode
1963
B7G
CV4031

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J7
Pentode
1936
IO
6D7 CV1936 VT-91

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J7G
Pentode
1936
IO
CV1074 CV1935 KTZ63 NR83 VT-91A VT74 Z63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J7GT
Pentode
1936
IO
CV1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6J8G
Triode Heptode
1938
IO
CV859

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6JB6A
Beam Tetrode
1964
B9D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6JE6A
Pentode
1965
B9D

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6JH6
Pentode
1955

6BZ6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6JS6
Pentode
1968

6LB6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6JS6C
Pentode
1968
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6JX8
Triode Heptode

ECH84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K25
Thyratron

IO
CV2217

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K4
Triode
1947
B8D & B8D/F
CV468 EC70

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K4P
Pentode (6К4П)
1954
B7G
6BA6 CV454 PM04 W727

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K5G
Triode
1936

CV860

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K6G
Pentode
1937
IO
CV1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K6GT
Pentode
1937
IO
CV1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K7
Pentode
1936
IO
CV1942 VT-86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K7G
Pentode
1936
IO
CV1941 KTW63 NR81 VT-86A W63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K7GT
Pentode
1938
IO
CV1943 VT-86B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K8
Triode Hexode
1938
IO
CV1945

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K8G
Triode Hexode
1938
IO
CV1944

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6K8GT
Triode Hexode
1938
IO
CV1946

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6KD6
Beam Tetrode
1967
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L1
Double Triode
1951
B8A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L12
Double Triode
1954
B9A
6AQ8 B719 ECC85

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L13
Double Triode

12AX7 12DT7 B339 E2164 ECC83

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L16
Double Triode

6CW7 ECC84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L18
Triode
1948
B8A
CV1899

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L19
Double Triode

B8A
CV1850

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L34
Triode

6AQ4 CV139 CV417 EC911

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L4
Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L5G
Triode
1936

CV862

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6
Beam Tetrode
1936
IO
CV1948 VT-115

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6G
Beam Tetrode
1936
IO
CV1286 CV1947 EL35 KT66 NR77 VT-115A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6GA
Beam Tetrode

CV2817

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6GB
Beam Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6GC
Beam Tetrode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6GT
Beam Tetrode
1936
IO
VT-115B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6GTY
Beam Tetrode
1946
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6WGA
Beam Tetrode

CV3618

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6WGB
Beam Tetrode

5881 CV2796

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L6WGC
Beam Tetrode

5881

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L7
Heptode
1936
IO
ARH1 CV1951 X64

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6L7G
Heptode
1936
IO
CV1950 VT-87A X64

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6LB6
Beam Tetrode
1967

6JS6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6LC8
Triode Pentode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6LD12
Triple Diode Triode
1952
B9A
6AD8 6AK8 6T8 DH719 EABC80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6LD13
Double Diode Triode
1954

6BD7A EBC81

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6LD20
Double Diode Triode
1950
B8A
CV1920

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6LD3
Double Diode Triode
1955

62DDT 6CV7 CV3882 DH150 DH718 EBC41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6LT8
Double Diode Pentode
1965

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6LU8
Triode Pentode
1967
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6M1
Tuning Indicator
1937
IO
63ME 6H5 6U5/6G5 6U5G VFT6 VT-98 Y61 Y63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6M11
Double Triode Pentode
1962
B12C

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6M2
Tuning Indicator

64ME EM35

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6M6
Pentode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6MB8
Triode Pentode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N27P
Double Triode

B9A
ECC86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N2P
Double Triode
1954
B9A
6CC41

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N3P
Double Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N5
Tuning Indicator
1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N6
Double Triode
1936

CV1954

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N6G
Double Triode
1937
IO
CV1953

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N7
Double Triode
1936
IO
CV1957 VT-96

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N7G
Double Triode
1936
IO
CV1285 CV1956 ECC31 NR73

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N7GT
Double Triode
1936
IO
CV1958

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6N8
Double Diode Pentode

EBF80 WD709 ZD150 ZD152

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P1
Beam Tetrode
1955
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P15
Pentode
1958
B9A
6BQ5 CV2975 EL84 N709

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P17
Pentode
1961

16A 6AM5 7D9 EL91 N144 N77

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P25
Beam Tetrode
1948
IO
CV1853

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P28
Beam Tetrode
1948
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P5G
Triode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P5GT
Triode
1940

CV1819

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P7G
Triode Pentode
1938
IO
CV864

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6P9
Beam Tetrode

IO
6П9

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6PL12
Triode Pentode
1956

6BM8 ECL82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Q4
Triode
1953

EC80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Q5G
Thyratron

884 CV647

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Q7
Double Diode Triode
1936
IO
CV588 DH147

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Q7G
Double Diode Triode
1936
IO
CV587 DH63 NR68 POVT194

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Q7GT
Double Diode Triode
1936
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Q7GTY
Double Diode Triode

IO
CV589 DH63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6R
Pentode
1941
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6R6G
Pentode

CV1960

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6R7
Double Diode Triode
1936
IO
CV1963

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6R7G
Double Diode Triode
1936
IO
CV1962 DL63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6R7GT
Double Diode Triode
1940

CV1964

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6S2
Rectifier HW

B9A
CV2966 EY86

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6S2A
Rectifier HW
1956

EY87

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6S45PE
Triode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6S7
Pentode
1936

CV1975 KTZ63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6S7G
Pentode
1936

CV1974

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SA7
Heptode
1937
IO
5961 CV1966 VT-150

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SA7GT
Heptode
1940
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SA7GT/G
Heptode

CV1967

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SC7
Double Triode
1938
IO
CV1969 VT-105

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SC7GT
Double Triode

CV1970

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SD7GT
Pentode

CV865

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SF5
Triode
1938
IO
CV1972

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SF5GT
Triode
1940

CV1973

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SF7
Diode Pentode
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SG7
Pentode
1940
IO
CV1978 VT-211

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SH7
Pentode

IO
CV594

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SH7G
Pentode

CV5067

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SH7GT
Pentode

CV595

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SJ7
Pentode
1938
IO
6SJ7Y CV591 VT-116

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SJ7G
Pentode
1938

CV590

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SJ7GT
Pentode
1940

CV592 VT-116A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SJ7WGT
Pentode

CV3619

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SJ7Y
Pentode

6SJ7 CV591 CV866

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SK7
Pentode
1938
IO
CV1981

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SK7GT
Pentode
1940

CV1982

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SL7GT
Double Triode
1942
IO
CV569 CV1985 ECC35 VT-229

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SL7WGT
Double Triode

CV3985

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SN7
Double Triode

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SN7G
Double Triode

13D2 B65 ECC32

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SN7GT
Double Triode
1941
IO
13D2 B65 CV1988 VT-231

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SN7W
Double Triode
1956
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SN7WGT
Double Triode
1956
IO
CV3627

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SQ7
Double Diode Triode
1938
IO
6G2 6R17B CV1990 VT-103

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SQ7GT
Double Diode Triode
1939
IO
CV1991

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SR7
Double Diode Triode
1940
IO
CV867 VT-233

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6SS7
Pentode
1940
IO
CV1993

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6ST7
Double Diode Triode

CV1996

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6ST7G
Double Diode Triode

CV1995

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6T35
Triode (Power)

B1153

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6T4
Triode
1953

CV3808

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6T7G
Double Diode Triode
1937

CV500

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6T8
Triple Diode Triode
1957

6AK8 6LD12 DH719 EABC80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6TH8
Triode Hexode
1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6U4GT
Rectifier HW
1952
IO
CV5287

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6U5
Tuning Indicator
1937
UX6
63ME 6G5 6H5 6U5/6G5 6U5G CV504 VT-98 Y63

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6U5/6G5
Tuning Indicator

63ME 6M1 6U5G 6U5 CV504 Y61

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6U5G
Tuning Indicator
1937
UX6
6G5G 6H5 6M1 6U5 CV2747 VFT6

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6U7
Pentode
1936

6U7G CV706

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6U7G
Pentode
1936
IO
6U7 CV706

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6U8
Triode Pentode
1954
B9A
6TP1 CV5065 ECF82

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6U8A
Triode Pentode

B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V4
Rectifier FW
1954
B9A
CV1535 EZ80

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V6
Beam Tetrode
1937
IO
CV510 VT-107

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V6G
Beam Tetrode
1937
IO
CV509 VT-107B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V6GT
Beam Tetrode
1937
IO
CV511 VT-107A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V6GT/G
Beam Tetrode
1937
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V6GT-STR
Beam Tetrode

6V6GTY 7408

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V6GTY
Beam Tetrode

IO
6V6GT-STR 7408

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V6S
Beam Tetrode

IO
6V6GT

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6V7G
Double Diode Triode
1937
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6W2
Rectifier HW

R12A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6W4GT
Rectifier HW
1950
IO
CV732

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6W5G
Rectifier FW
1938

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6W7G
Pentode

CV512

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X2
Rectifier HW

CV426 EY51 R12 SU61 U151 U43

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X4
Rectifier FW

B7G
6063 CV493 EZ90 U78

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X4W
Rectifier FW

CV2844 EZ90+C2704

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X5
Rectifier FW
1936
IO
CV573

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X5G
Rectifier FW
1936
IO
CV572 EZ35 U147 U70 VT-126A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X5GT
Rectifier FW
1936
IO
6X5GT/G CV574 VT-126B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X5GT/G
Rectifier FW
1936
IO
6X5GT VT-126B

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X5GTY
Rectifier FW
1936
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X5WGT
Rectifier FW

CV3734

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X8
Triode Pentode
1951
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6X8A
Triode Pentode
1952
B9A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Y3G
Rectifier HW

CV1816

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Y5
Rectifier FW
1937

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Y6G
Pentode
1937
IO
CV515 VT-168A

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Y7G
Double Triode (Class B)
1940

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Z3
Rectifier HW
1939

1V CV1999

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Z4
Rectifier FW
1937
UX5
84 CV619 VT-84

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Z5
Rectifier FW
1937
UX6
12Z5 CV871

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Z7
Double Triode
1938
IO

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Zh4
Pentode

IO
6ж4

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Zh8
Pentode

IO
6ж8

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6Zh43P-E
Double Anode Pentode

B9A
6Z43PE

Type
Structure
Date
Base
PDF
Sensibly equivalent^¶ to:

6ZY5G
Rectifier FW
1938

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