Antique radios, Old Time Radios
QB3/300GA
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| Tube type: |
Screen-grid Tetrode |
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| Identical to |
QB3/300GA
= 4-125A
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| Similar
Tubes |
Normally replaceable-slightly different:
QB3/300
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| Base |
Giant 5 pin medium shell B5D
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| Filament |
Vf 5 Volts / If 6.5 Ampere / Direct |
| Description |
Similar to QB3/300, with metal shell around the giant 5-pin base.
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| Weight |
120 g / 4.23 oz |
| Information source |
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QB3/300GA: Valvo,Senderöhren, 1983
Anonymous 15 Collector
More ...
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Just Qvigstad
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QB3/300GA: Valvo,Senderöhren, 1983
Anonymous 15 Collector
More ...
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Collection of
Collection of a member from FIN |
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