Antique radios, Old Time Radios
MUM4
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Country:
Great Britain (UK)
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| Identical to |
MUM4
= UM4
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 13 Volts / If 0.1 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Tube prices |
1 Tube prices (visible for members
only)
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| Information source |
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MUM4: rtt
Anonymous 10 Collector
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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
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