Antique radios, Old Time Radios
4081A
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Country:
Great Britain (UK)
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| Identical to |
4081A
= CV1797
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| First Source
(s) |
Sep.1938 : - - Manufacturers Literature
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| Filament |
Vf 20 Volts / If 59 Ampere / Direct |
| Description |
Water-cooled transmitting triode. Pure tungsten filament, exact voltage is marked on the bulb. Maximum ratings: 20KW plate power, 1.2KW grid power, 17500V plate voltage, 7.5A cathode emission. Mu 33, 5MHz full ratings operating frequency, up to 50MHz at reduced input.
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| Information source |
- - Manufacturers Literature
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- - -
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