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ID = 71001
Brand: Common type Worldwide tube/semicond.
Tube type:  Double Diode   Detector 
Identical to QA2404
Similar Tubes
Other class quality (otherwise equal):
  6AL5 ; EB91

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Babani, International Radio Tube Encyclopaedia   

6al5_4~~1.png QA2404
Emilio Ciardiello

Just Qvigstad
QA2404: Babani 1951-1954
Patrice Zeissloff


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