Antique radios, Old Time Radios
3TF4
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Country:
United States of America (USA)
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| Identical to |
3TF4
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Filament |
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| Description |
Control element from pin 2,3 to 7,8. 280 to 320mA at voltages from 4.3 to 8.3V.
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| Information source |
Ballast Tube Handbook, The
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3TF4
Emilio Ciardiello
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
Collection of a member from D |
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