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AC/S2Pen

Information - Help 
ID = 25904
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to AC/S2Pen
Similar Tubes
Normally replaceable-slightly different:
  CV1282

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament Vf 4 Volts / If 1 Ampere / Indirect
Information source - - Manufacturers Literature   Grundig Röhren-Taschenbuch, 1948
 
vr124_5.png
AC/S2Pen: Manufacturer's Literature
Emilio Ciardiello

 
acs2pen_1.png
AC/S2Pen: own collection
Peter den Boer

More ...

from Just Qvigstad

Usage in Models 1= 1933?? ; 1= 1933? ; 3= 1933 ; 1= 1934? ; 3= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9

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