Antique radios, Old Time Radios
SD4_Mullard
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Country:
Great Britain (UK)
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| Identical to |
SD4_Mullard
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| Base |
Europe 7-Pin C7A (Hx C, C7, C) 1933
Top contact screw type.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC |
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SD4_Mullard: M.E.
Mike Edwards † 25.10.21
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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):9
Collection of
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