Antique radios, Old Time Radios
A247
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Country:
France
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| Identical to |
A247
= G-47
= 47
|
| Base |
UY-Base, 5 Pins (USA, April 1927)
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| Filament |
Vf 2.5 Volts / If 1.75 Ampere / Direct / Specified voltage AC/DC |
| Information source |
Babani, International Radio Tube Encyclopaedia
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A247: ARRL Handbook 1972
Anonymous 10 Collector
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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):1
Collection of
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