Antique radios, Old Time Radios
RK41
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Country:
United States of America (USA)
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| Identical to |
RK41
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| Similar
Tubes |
Heater different:
RK39
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| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=Hc)
Top contact with a cap.
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| Filament |
Vf 2.5 Volts / If 2.4 Ampere / Indirect |
| Description |
25W plate dissipation, 60MHz full ratings operation, up to 120MHz with plate voltage reduced to 300V max.
Similar to RK39 with 2.5V heater.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
Tube Lore (I)
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RK41: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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RK41: Handbook Raytheon amateur tubes
Miguel Angel Trujillo-Rodriguez
More ...
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