Antique radios, Old Time Radios
4C22
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Country:
United States of America (USA)
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| Identical to |
4C22
= CV2987
= HF100
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| Similar
Tubes |
Normally replaceable-slightly different:
RK51
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bt)
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| Filament |
Vf 10 Volts / If 2 Ampere |
| Description |
VHF RF heating triode; grid out from side. Mu 23, 75W plate dissipation.
RMA registration of Amperex HF-100, March 15, 1943.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I)
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4C22: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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4C22: Manufacturer's Literature
Emilio Ciardiello
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