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A23A

Information - Help 
ID = 13670
       
Country:
Great Britain (UK)
Brand: Ever Ready Co. (GB) Ltd.; London
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to A23A

Base British-7-Pin, old (M7A) (Codex=Nb)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Indirect / Parallel, (AC/DC)
Information source Taschenbuch zum Röhren-Codex 1948/49   
 
e_ever_ready_a23a.jpg
A23A: PROPIA
Pedro Prieto-Castro

 

from Just Qvigstad

Usage in Models 4= 1935 ; 2= 1936? ; 6= 1936 ; 10= 1937 ; 2= 1938? ; 12= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):36


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