Antique radios, Old Time Radios
MSP4
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Country:
Great Britain (UK)
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| Identical to |
MSP4
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| Similar
Tubes |
Normally replaceable-slightly different:
AC/HP
; CV1341
Other base and data slightly different:
MSP4_5pin
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| First Source
(s) |
22.Nov.1935 : Wireless World (The), London (WW, 79)
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| Base |
British-7-Pin, old (M7A) (Codex=Fc)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
For use in the RF/IF stages and also as a detector and AF amplifier
In the 5 pin version the suppressor grid is not available separately but is tied to the cathode.
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| Information source |
The Saga of Marconi Osram Valve p. 149 & 334
- - Manufacturers Literature
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
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MSP4: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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MSP4: Marconi Advertisement
Anonymous 15 Collector
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23
Collection of
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