Antique radios, Old Time Radios
20D4
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Country:
Great Britain (UK)
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| Identical to |
20D4
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| 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
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20D4: Internet
Miguel Angel Trujillo-Rodriguez
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9
Collection of
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after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
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