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Index of Valve Equivalents

It is normal practice that valves from different manufacturers are `sensibly equivalent' rather than identical. Confusion arises particularly with Beam Tetrode and Pentode valves when manufacturers say they are 'equivalent'.
 

Please note: Valves from the series ACR, AR, ARD, ARH, ARP, ARS, ART, AT, AU and AW appear under British Army. The series NC, NG, NR, NS, NT and NU appear under British Navy. The series VC, VG, VI, VR, V, VT, VU and VW all are to be found under British Air Force. VT-No. are GPO and VT- are the American Vacuum Tube series.

Single digit 0
Single digit 1
Double digits 10 - 19
Single digit 2
Double digits 20 - 29
Single digit 3
Double digits 30 - 39
Single digit 4
Double digits 40 - 49
Single digit 5
Double digits 50 - 59
Single digit 6
Double digits 60 - 69
Single digit 7
Double digits 70 - 79
Single digit 8
Double digits 80 - 89
Single digit 9
Double digits 90 - 99
 
Initial letter A
Initial letter B
Initial letter C
Initial letter D
Initial letter E
Initial letter F
Initial letter G
Initial letter H
Initial letter I
Initial letter K
Initial letter L
Initial letter M
Initial letter N
Initial letter O
Initial letter P
Initial letter Q
Initial letter R
Initial letter S
Initial letter T
Initial letter U
Initial letter V
Initial letter W
Initial letter X
Initial letter Y
Initial letter Z
British Army A
British Navy N
British Air Force V
British GPO VT-No.
American Vacuum Tube VT-
CV 1 - 499
CV 500 - 999
CV 1000 - 1499
CV 1500 - 1999
CV 2000 - 2499
CV 2500 - 2999
CV 3500 - 3999
CV 4000 - 4099
CV numbers 5000 - end
 

9,978 references, matched to our database of exhibits and non-exhibit data. Last updated February 17, 2013

Each of these references has been found from vintage literature. Some errors in the originals have been corrected. We may have introduced others. Introduction dates are given for when the valve Type was introduced, the exact date may vary from one make to another. Please contact your webmaster if you discover an error. We have tried to use primary sources if possible ie manufacturers listings (especially data-sheets with tentative data), in the absence of primary listings we have used Thrower1043 and radiomuseum.org3002 plus the AVO Valve Data Manuals 17th & 20th editions 1965 & 1974 as well as numerous other publications.

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