Antique radios, Old Time Radios
CK539DX
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Country:
United States of America (USA)
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| Identical to |
CK539DX
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| Base |
Subminiatur (wire-ends, flat) B5A
Wires only.
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| Filament |
Vf 1.25 Volts / If 0.015 Ampere / Direct / Battery = |
| Description |
Subminiature power pentode for use as hearing aid output amplifier. T1.5x2 bulb, flat press.
22.5V at 0.25mA plate, -1.4V G1, 22.5V at 0.075mA G2. 2.2mW across 100K load.
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 193
- - Manufacturers Literature
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CK539DX: Raytheon Manual
Heinz Höger
More ...
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Just Qvigstad
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CK539DX: Raytheon Manual
Heinz Höger
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