• Country
• Great Britain (UK)

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

• Year
• 1930

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 104602

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 174 Super Power - His Master's Voice Masters,

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 12.25 x 17.5 x 8.5 inch / 311 x 445 x 216 mm

• Notes
• By The Gramophone Co. Ltd. Moving-coil loud-speaker in a mahogany veneered cabinet. This company's first offering to the Wireless Industry.

• Mentioned in
• Radio! Radio! (fig.898)

• 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