Antique radios, Old Time Radios
7QP4
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Country:
United States of America (USA)
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| Identical to |
7QP4
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| Base |
SPECIAL TUBEBASE in general
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6.3 Volts |
| Information source |
Taschenbuch zum Röhren-Codex 1951 Nachtrag 1952
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7QP4: Tabu Röhren-Codex, 1951/52
Anonymous 15 Collector
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7QP4: Manufacturer paper
Tomasz Szczesniak
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