Antique radios, Old Time Radios
QK685
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Country:
United States of America (USA)
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| Identical to |
QK685
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| Predecessor Tubes |
QK464A
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| Base |
Duodecal (12-pin), B12A (not glass)
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| Filament |
Vf 6.3 Volts / If 0.6 Ampere / Indirect |
| Description |
3" recording-storage tube, capable of retaing stored images for many hours and even after more than 20k readings. 1000 lines minimum resolution. Magnetic deflection and magnetic or electrostatic focus.
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| Information source |
- - Manufacturers Literature
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Just Qvigstad
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| Data Compliance |
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