Antique radios, Old Time Radios
RH-4
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Country:
Japan
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| Identical to |
RH-4
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Was used by |
Military and/or Government |
| Filament |
Vf 12 Volts / If 0.25 Ampere / Indirect |
| Description |
This tube was a Voltage Amplifier used by the Japanese Military. First made in 1942. Control grid 300 Ohms.
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| Information source |
-- Collector info (Sammler) Dawn of Tube Production in Japan - Ohtsuka.
Babani, International Radio Tube Encyclopaedia p. 136 & 137
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RH-4: Fin Stewart
Fin Stewart
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Just Qvigstad
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