Antique radios, Old Time Radios
1R-K31
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| Tube type: |
RECTIFIER TUBE (Detail uncertain) Power-supply |
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| Identical to |
1R-K31
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| Base |
Novar, B9E = bigger than Noval, USA 1959
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1.25 Volts / If 0.5 Ampere / Direct |
| Description |
This tube is a miniature high voltage rectifier. Manufacturer unknown.
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| Information source |
Dawn of Japanese Tube Production
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1R-K31: Fin Stewart
Fin Stewart
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Just Qvigstad
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| Data Compliance |
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