• Country
• Great Britain (UK)

• Manufacturer / Brand
• His Master's Voice (Masters, HMV, H.M.V., Marconi); Hayes, Middlesex, GB

• Year
• 1948 ?

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 113919

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 6

• Valves / Tubes
• W81 X81 W81 DL82 KT81 U82

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• Power out
• 3.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Radiomobile 100 - His Master's Voice Masters,

• Dimensions (WHD)
• 218 x 123 x 250 mm / 8.6 x 4.8 x 9.8 inch

• Notes
• This radio has 320 mm deep if the power supply block is inserted. This model was exported to Australia. There was a 6 volt version as well.

• Circuit diagram reference
• Australian Official Radio Service Manual Vol. VII

• Mentioned in
• -- Original prospect or advert

• Author
• Model page created by Mario Coelho. See "Data change" for further contributors.

• Other Models

• Here you find 414 models, 323 with images and 242 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from His Master's Voice (Masters, HMV, H.M.V., Marconi); Hayes, Middlesex, GB