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QB2/75

Information - Help 
ID = 52483
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Transmitting Tetrode, air cooled 
  Ca. 1925 up to 1945 rare.
Identical to QB2/75

Filament Vf 10 Volts / If 3.25 Ampere
Dimensions (WHD)
incl. pins / tip
100 x 215 x mm / 3.94 x 8.46 x inch
Information source - - Manufacturers Literature   
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qb_2_75.png
QB2/75: R.O.
Rudolf Osterkamp

 
qb275data1.png
QB2/75: own collection
Peter den Boer


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