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13DHA

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ID = 13424
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Double Diode-Triode 
Identical to 13DHA
First Source (s)
1934 : History of the British Radio Valve to 1940 p.179

Base British-7-Pin, old (M7A) (Codex=Nb)
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.2 Ampere / Specified voltage AND current AC/DC
Description

This tube used as a class A amplifier.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   pages 20 & 21
-- Collector info (Sammler)

154_3.png 13DHA: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
13dha_data.png
13DHA: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos

More ...
Usage in Models 2= 1934 ; 1= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
 
cossor_13dha_innen.png

 

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