Antique radios, Old Time Radios
446A
| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 6.3 Volts / If 0.75 Ampere / Indirect / Specified voltage AC/DC |
| Description |
"Lighthouse" Tube. First 'soldered-can' cathode, superseeded by 2C40. 446A was intended as RF amplifier in radar receivers. Noise figure as low as 10 dB at 1.0 GHz, versus 23 dB of other UHF tubes, like 368A
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| Tube prices |
2 Tube prices (visible for members
only)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Tube Lore (I)
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446A: ARRL Handbook 1972
Anonymous 10 Collector
More ...
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Just Qvigstad
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446A: Babani 1951-1954
Patrice Zeissloff
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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