Antique radios, Old Time Radios

20P1

ID = 32185

Country:

Great Britain (UK)

Brand:	Mazda = Valve (Tube) brand GB (see also France)
Developer:	Mazda = Valve (Tube) brand GB (see also France)
Tube type:	Gated-beam-tube beam power Power/Output

Identical to

20P1

Similar Tubes

Other characteristic (electr. data):

20P4

Base	Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filament	Vf 38 Volts / If 0.2 Ampere / Indirect / Series, ~ = (AC/DC defined current)
Description	TV Line Scan or pulse operation. Pa <15W; Va <400 or 6000 peak.
Information source	- - Data from my own collection - - - - - - - - -

20P1: RFJ
Roy Johnson

from Just Qvigstad

Usage in Models

2= 1949 ; 1= 1950 ; 5= 1951 ; 5= 1952 ; 9= 1953 ; 1= 1954

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23

Museum "HMS COLLINGWOOD HERITAGE COLLECTION CHC"

Collection of Frank Cuffe (IRL)

Collection of Roy Johnson (GB)

Collection of Tomasz Szczesniak (PL)

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