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RC2

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ID = 32328
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Developer: Ediswan, Siemens Edison Swan Electric Co.; London 
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to RC2

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Description

This tube is designed solely for use in radio sets employing resistance capacity coupling and has an unusually high amplication factor and impedance. When connected according to the manufacturers specifications, the tube draws very low current from the anode battery.

Dull Emitter resistance coupling valve, with green line painted in a groove on the base which denotes that it is a DE type.. Ri = 150 kOhm. Slope 0.2 mA/V.

 
Information source Wireless World (The), London (WW, 79)   Jan 12th advt 1926
- - Manufacturers Literature   data sheet
History of the British Radio Valve to 1940
British Radio Valves - The Classic Years: 1926-1946

b4_1~~65.png RC2: Fin Stewart
Fin Stewart


Just Qvigstad
rc2.gif
RC2: Aus eigenen Unterlagen
Rudolf Osterkamp

Collection of

 
rc2ediswan_1_klein_klein.jpg

RC2
 

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