Antique radios, Old Time Radios
RK42
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Country:
United States of America (USA)
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| Identical to |
RK42
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
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| Filament |
Vf 1.5 Volts / If 0.06 Ampere / Direct |
| Description |
Triode intended for use as amplifier or oscillator in battery operated portable equipment. Mu 8.5. One of the first low-drain 1.5V tube for dry cell supply.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
Tube Lore (I)
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RK42: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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RK42: Handbook Raytheon amateur tubes
Miguel Angel Trujillo-Rodriguez
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