Antique radios, Old Time Radios
12RK4
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Country:
Great Britain (UK)
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| Identical to |
12RK4
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| Filament |
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| Description |
Frequency range: 21 ± 3 GHz
Minimum Tuning range: 750 MHz
Power output minimum: 0.5 W
Max. Cavity Potential with respect to cathode: 3.2 kVDC
Cathode current max.: 35 mA
Air cooling
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| Information source |
- - Manufacturers Literature
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