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Radiomobile 4220 Control Unit

Radiomobile 4220; His Master's Voice (ID = 492132) Car Radio Radiomobile 4220; His Master's Voice (ID = 492134) Car Radio
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Radiomobile 4220; His Master's Voice (ID = 492132) Car Radio
His Master's Voice: Radiomobile 4220 [Car Radio] ID = 492132 591x700
Select picture or schematic to display from thumbnails on the right and click for download.
For model Radiomobile 4220 Control Unit, His Master's Voice (Masters, HMV, H.M.V., Marconi); Hayes, Middlesex, GB
 
Country:  Great Britain (UK)
Manufacturer / Brand:  His Master's Voice (Masters, HMV, H.M.V., Marconi); Hayes, Middlesex, GB
Year: 1959 ? Category: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 2: X78 W77
schematic requested
Main principle Superheterodyne (common)
Wave bands Broadcast (MW) and Long Wave.
Details
Power type and voltage Powered by external power supply or a main unit.
Loudspeaker - For headphones or amp.
Power out
from Radiomuseum.org Model: Radiomobile 4220 [Control Unit] - His Master's Voice Masters,
Material Metal case
Shape Chassis only or for «building in»
Dimensions (WHD) 4.25 x 5.25 x 7 inch / 108 x 133 x 178 mm
Notes Radio control unit, made by S Smith & Sons (Radiomobile) Ltd. 4 MW push buttons & 1 LW button (preselectors). Requires seperate unit comprising of IF, Audio, & PSU stages. See here and here.

Model page created by Keith Staines. See "Data change" for further contributors.



All listed radios etc. from His Master's Voice (Masters, HMV, H.M.V., Marconi); Hayes, Middlesex, GB
Here you find 395 models, 283 with images and 237 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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