• Year
  • 1957
  • Category
  • Microphone or Pick-up element
  • Radiomuseum.org ID
  • 311282

 Technical Specifications

  • Main principle
  • Audio-Amplification
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Microphone HM7 - Amalgamated Wireless
  • Dimensions (WHD)
  • 60 x 83 x 22 mm / 2.4 x 3.3 x 0.9 inch
  • Notes
  • The HM7 is a high impedance Crystal Microphone that AWA imported from Ronette Holland and re-badged and re-boxed as AWA for sale

  • Net weight (2.2 lb = 1 kg)
  • 0.260 kg / 0 lb 9.2 oz (0.573 lb)
  • Mentioned in
  • -- Original prospect or advert (Radio, Television and Hobbies, Feb 1957, Page 12)
  • Author
  • Model page created by Joshua Boxer. See "Data change" for further contributors.

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The model Microphone is part of the collections of the following members.

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