Antique radios, Old Time Radios
8621
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Country:
United States of America (USA)
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| Identical to |
8621
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| Similar
Tubes |
Other class quality (otherwise equal):
4CX250F
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| Filament |
Vf 26.5 Volts / If 0.54 Ampere |
| Description |
According to Sibley the tube was made for 'extra stability in airborne linear amplifier service' and replaces 4CX250F.
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| Information source |
-- Collector info (Sammler)
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8621: ARRL Handbook 1972
Anonymous 10 Collector
More ...
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8621: Philips - Transmitting tubes
Antonio Rabitti
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Collection of
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