Antique radios, Old Time Radios

PP3521

ID = 16200

Country:

Great Britain (UK)

Brand:	Mazda = Valve (Tube) brand GB (see also France)
Tube type:	Triode, vacuum Power/Output

Identical to

PP3521

First Source (s)

01.May.1936 : Wireless World (The), London (WW, 79) Advt. p.11

22.Nov.1935 : Wireless World (The), London (WW, 79)

Base

British-7-Pin, old (M7A) (Codex=N)

Was used by

Radio/TV-reception etc.

Filament

Vf 35 Volts / If 0.2 Ampere / Indirect / Specified current AC/DC ~ = (Series working)

Description

Ra 2k ohms. Ia 70mA at 200V. gm 5mA/V.

Information source

History of the British Radio Valve to 1940 p. 149 & 180
- - Manufacturers Literature 1937
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49


PP3521: Tabu Röhren-Codex, 1948 Anonymous 15 Collector	Just Qvigstad	PP3521: own collection Peter den Boer

PP3521

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