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ID = 25518
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to AC/VP1
Similar Tubes
Normally replaceable-slightly different:
Other base:

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Indirect / Specified voltage AC/DC

This tube is a variable mu type.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
38 x 120 x mm / 1.50 x 4.72 x inch
Weight 54 g / 1.90 oz
Information source Babani, International Radio Tube Encyclopaedia   p. 48 & 49
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 179, p. 309

base_acvp1_b7.png AC/VP1: own collection
Peter den Boer

Just Qvigstad
AC/VP1: own collection
Peter den Boer

Usage in Models 2= 1934?? ; 5= 1934? ; 20= 1934 ; 2= 1935?? ; 2= 1935? ; 22= 1935 ; 17= 1936 ; 3= 1937

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):73

Collection of



Forum contributions about this tube
Threads: 1 | Posts: 2
Hits: 2092     Replies: 1
AC/VP1 (AC/VP1) zweite Sockelart
Manfred Rathgeb

Wie auf einigen der Bilder zu sehen ist, gab es die AV/VP1 auch mit dem 5-Stift Europasockel.

Otmar Jung

Vielen Dank für den Hinweis, Herr Rathgeb, die Bilder sind jetzt auf der Röhrenseite

AC/VP1_Europa-B5  zu sehen.

End of forum contributions about this tube

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