• Country
• Great Britain (UK)

• Manufacturer / Brand
• Multitone; London

• Year
• 1949 ?

• Category
• Medical Technology

• Radiomuseum.org ID
• 140675

• Number of Tubes
• 2

• Valves / Tubes
• DK91 DF91

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hearing aid

• Power type and voltage
• Dry Batteries / 1.5 & 37.5 Volt

• Loudspeaker
• - only for Earphone!

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Hearing Aid H46764 - Multitone; London

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 72 x 146 x 23 mm / 2.8 x 5.7 x 0.9 inch

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Author
• Model page created by Peter Olasz. See "Data change" for further contributors.

• Other Models

• Here you find 10 models, 9 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Multitone; London