Antique radios, Old Time Radios
C4D
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Country:
Japan
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| Identical to |
C4D
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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| Was used by |
Industrial |
| Filament |
Vf 4 Volts / If 0.6 Ampere / Direct |
| Description |
This tube was a very high vacuum triode designed for high frequency, amplification and oscillation use. Made in 1924, for railroad use.
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| Information source |
-- Collector info (Sammler) Dawn of Tube Production in Japan - Ohtsuka.
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Just Qvigstad
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| Data Compliance |
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