Antique radios, Old Time Radios
7270
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Tube type: |
Transmitting Tetrode, air cooled |
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Identical to |
7270
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Similar
Tubes |
Heater different:
7271
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Filament |
Vf 6.3 Volts / If 3.1 Ampere / Indirect |
Description |
bis 175MHz
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7270: ARRL Handbook 1972
Anonymous 10 Collector
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