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QB3/300GA

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ID = 21908
       
 
   
Tube type:  Screen-grid Tetrode 
Identical to QB3/300GA = 4-125A
Similar Tubes
Normally replaceable-slightly different:
  QB3/300

Base Giant 5 pin medium shell B5D
Filament Vf 5 Volts / If 6.5 Ampere / Direct
Description

Similar to QB3/300, with metal shell around the giant 5-pin base.

 
Weight 120 g / 4.23 oz
Information source

qb3300ga_sock.png QB3/300GA: Valvo,Senderöhren, 1983
Anonymous 15 Collector

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Just Qvigstad
qb3300ga_spec_1a.png
QB3/300GA: Valvo,Senderöhren, 1983
Anonymous 15 Collector

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Collection of

Collection of a member from FIN
 
qb3300ga.jpg

QB3/300GA
 

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