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R662_4pin

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ID = 81578
       
Country:
France
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  Triode, vacuum 
Identical to R662_4pin
Similar Tubes
Other base:
  R662

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 0.6 Volts / If 1 Ampere / Direct / Specified voltage AC/DC
Description

Detector; AF amplification (resistive)

 
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Just Qvigstad
Usage in Models 2= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 

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