Antique radios, Old Time Radios
4KF8
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Country:
United States of America (USA)
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| Identical to |
4KF8
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| Similar
Tubes |
Heater different:
3KF8
; 6KF8
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| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4.2 Volts / If 0.45 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
Essential Characteristics, GE 1973
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| Tube Tester Data |
Avo CT160 |
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4KF8: Essential characteristics
Peter Hoddow
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Just Qvigstad
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