Antique radios, Old Time Radios
410R
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Country:
United States of America (USA)
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| Identical to |
410R
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Successor Tubes
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3K30
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=sp)
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| Filament |
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| Description |
Two-cavity, 3GHz amplifier or oscillator. Cavity input/output via four threaded coaxial connectors. 15W pulsed output with 2KV.
Sperry, prototype of 3K30.
Text in other
languages (may
differ)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I)
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410R: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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Collection of
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