Antique radios, Old Time Radios
GL-446A
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Country:
United States of America (USA)
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| Identical to |
GL-446A
= 446A
= CV932
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| Similar
Tubes |
Normally replaceable-slightly different:
CV2643
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Successor Tubes
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2C40
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Uca)
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| Was used by |
Industrial |
| Filament |
Vf 6.3 Volts / If 0.75 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Lighthouse tube. First 'soldered-can' cathode, superseeded by 2C40. GL-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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| Information source |
Tube Lore (II) p. 213
- - Manufacturers Literature
Tube Lore (I)
Taschenbuch zum Röhren-Codex 1948/49
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GL-446A: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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