Antique radios, Old Time Radios
KF4M
Country:
Hungary
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Identical to |
KF4M
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Similar
Tubes |
Other class quality (otherwise equal):
KF4
Differences not known by us:
KF4MB
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Base |
Europe side contact P8A (Au P, 8SC)
Top contact with a cap.
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Was used by |
Military and/or Government |
Filament |
Vf 2 Volts / If 0.05 Ampere / Direct / Battery = |
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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):2
Collection of
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