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RC410

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ID = 36628
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Triode, vacuum   Universal 
Identical to RC410
Similar Tubes
Normally replaceable-slightly different:
  A425
First Source (s)
1928 : History of the British Radio Valve to 1940 p. 162
Aug.1930 : Philips Bulletin R1164, p. 31

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =
Description

Dull emitter resistance coupling valve. Ri = 61 kOhm. Slope 0.65 mA/V.

 
Information source British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 33

b4_base_pins~~238.png RC410: Fin Stewart
Fin Stewart


Just Qvigstad
 
rc410.png

 

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