Antique radios, Old Time Radios
2H21
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Country:
United States of America (USA)
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| Identical to |
2H21
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| Similar
Tubes |
Different maximum ratings:
5593
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| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect |
| Description |
GE 'Phasitron' phase modulator for use in FM transmitters. 11 pin magnal base. Used in GE and Gates FM transmitter in the 40s.
Phasitron devices described here.
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| Weight |
85 g / 3.00 oz |
| Information source |
- - Manufacturers Literature
Tube Lore (I)
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2H21: Manufacturer's Literature
Emilio Ciardiello
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2H21: Manufacturer's Literature
Emilio Ciardiello
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