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ID = 15533
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode, vacuum   Power/Output 
Identical to ACP1
Similar Tubes
Normally replaceable-slightly different:
  054V ; CV1122 ; VT125_GPO
First Source (s)
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC

Va<200, Ra=1450 ohms, gm=3.7mA/V, G=5.4
Manufacturer's data refers to this tube as AC/P1, actual tubes show ACP/1.

Dimensions (WHD)
incl. pins / tip
43 x 105 x mm / 1.69 x 4.13 x inch
Weight 50 g / 1.76 oz
Information source History of the British Radio Valve to 1940   p. 148 & 173
- - Manufacturers Literature   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

7_64.png ACP1: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
ACP1: Mazda DataSheet
Franz Scharner

More ...
Usage in Models 1= 1929

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of



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