Antique radios, Old Time Radios
U31_USA
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Country:
United States of America (USA)
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| Identical to |
U31_USA
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| Similar
Tubes |
Normally replaceable-slightly different:
25Y5
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| Base |
6-Pin-Base U6A, old, USA
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| Filament |
Vf 25 Volts / If 0.3 Ampere / Indirect |
| Information source |
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U31_USA: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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| Data Compliance |
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