Antique radios, Old Time Radios
N-231
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Country:
Japan
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| Identical to |
N-231
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| Similar
Tubes |
Normally replaceable-slightly different:
12G-DH4
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 12.6 Volts / If 0.22 Ampere / Indirect |
| Description |
This tube was designed as a detector and amplifier.
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| Information source |
-- Collector info (Sammler) Dawn of Tube Production in Japan - Ohtsuka.
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N-231: Fin Stewart
Fin Stewart
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Just Qvigstad
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| Data Compliance |
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