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2D41

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ID = 30358
       
Country:
Great Britain (UK)
Brand: Ekco, E.K.Cole Ltd.; Southend-on-Sea
Tube type:  Double Diode   Audio Frequency 
Identical to 2D41
Similar Tubes
Normally replaceable-slightly different:
  2D4B

Base British-7-Pin, old (M7A)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.65 Ampere / Indirect
Description

Branded Ekco. "Made in England", possibly not made by Ekco.

 
Information source History of the British Radio Valve to 1940   p. 146
British Radio Valves - The Classic Years: 1926-1946   Supplement. p. 34


Just Qvigstad
Usage in Models 3= 1938

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

Collection of

 
2d41.jpg

2D41
 

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