Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 10921
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode, vacuum   Power/Output 
Identical to AC/P4 = CV207 = 10E/155 = ACP4_Mazda
First Source (s)
27.Aug.1937 : Wireless World (The), London (WW, 79) Advertisement

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco) Top contact with a cap.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

Designed as a deflection amplifier for ES tubes.
High Voltage, Va<700 with top cap anode.

Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1937
AC/P4: My Collection
Danko Tkalec

More ...
AC/P4: own collection
Peter den Boer

AC/P4: own collection
Peter den Boer

from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]