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20P3

Information - Help 
ID = 52292
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Beam Power Tube   Power/Output 
Identical to 20P3
First Source (s)
1954 : -- Collector info (Sammler)

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 20 Volts / If 0.2 Ampere / Indirect / Series, AC/DC
Description Audio output valve for single end use. 
Information source - - -   
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a_20p3.jpg
20P3: FC
Frank Cuffe

 

from Just Qvigstad

Usage in Models 3= 1952 ; 10= 1953 ; 4= 1954

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):17


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