Antique radios, Old Time Radios
CK538DX
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Country:
United States of America (USA)
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| Identical to |
CK538DX
= DF650
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| Similar
Tubes |
Heater different:
DF651
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| Base |
Subminiatur (wire-ends, flat) B5A
Wires only.
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| Filament |
Vf 0.625 Volts / If 0.015 Ampere / Direct / Battery = |
| Description |
Audio frequency voltage amplifier for hearing aid application. T1,5x2 flat press bulb.
15 V at 4.6 µA anode, -0.625 V G1, 15 V at 2 µA G2. Gm 18 µS, 10 MΩ plate resistance, 2.2 MΩ load, gain 28.
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| Information source |
- - Manufacturers Literature
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CK538DX: RTT Schwandt
Günther Stabe † 19.8.20
More ...
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Just Qvigstad
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CK538DX: Raytheon Manual
Heinz Höger
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
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