Antique radios, Old Time Radios
4D23
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Country:
United States of America (USA)
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| Identical to |
4D23
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| Base |
TRANSMITTING & Power-TUBES/VALVES in gen
Top contact with a cap.
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| Filament |
Vf 5 Volts / If 7.5 Ampere / Direct |
| Description |
Giant 5-pin ventilated base. Thoriated-tungsten filament.
200W plate dissipation. 400W typical power out at 2000V anode supply. 120MHz full ratings.
Registered to Pacific Electronics, Los Gatos, CA, successor of Lewis Electronics and later Lewis & Kaufman.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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4D23: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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