Antique radios, Old Time Radios
SP2_Mullard
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Country:
Great Britain (UK)
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| Identical to |
SP2_Mullard
= CV1320
= CV1409
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| Similar
Tubes |
Normally replaceable-slightly different:
PF462
; SP2H
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| Base |
British-7-Pin, old (M7A)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.18 Ampere / Direct / Battery = |
| Description |
Metallised bulb only (1935)
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Dimensions (WHD)
incl. pins / tip |
45 x 125 x mm / 1.77 x 4.92 x inch |
| Weight |
60 g / 2.12 oz |
| Information source |
History of the British Radio Valve to 1940 p. 150 & 196
Babani, International Radio Tube Encyclopaedia p. 142 & 143
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
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SP2_Mullard: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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SP2_Mullard: Mullard Valves 1936
Peter Hoddow
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
Collection of a member from D Collection of a member from D |
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