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Valve Types and Equivalents

    
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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
Tuning Indicator
1952
 
 
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
 
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
 
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:
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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