Antique radios, Old Time Radios
RK4B31
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Country:
United States of America (USA)
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| Identical to |
RK4B31
= 4B31
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| Base |
Large 4 pin Bayonet
Top contact with a cap.
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| Was used by |
Radar |
| Filament |
Vf 5 Volts / If 5.25 Ampere / Half indirect |
| Description |
Raytheon production of 4B31 with its own prefix
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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RK4B31: Röhrensammlung W.Raacke
Anonymous 61 Collector
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RK4B31: Röhrensammlung W.Raacke
Anonymous 61 Collector
More ...
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Collection of
Collection of a member from D |
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