• Year
  • 1970–1972
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 220089

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

 Technical Specifications

  • Number of Transistors
  • 8
  • Main principle
  • Audio-Amplification; 3 AF stage(s)
  • Wave bands
  • - without
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 240-250 Volt
  • Loudspeaker
  • 2 Loudspeakers
  • Power out
  • 2.4 W (unknown quality)
  • from Radiomuseum.org
  • Model: TR 10 O7-4M Ch= O7 - His Master's Voice HMV, H.M.V.
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 15.875 x 6 x 13.375 inch / 403 x 152 x 340 mm
  • Notes
  • His Master's Voice Model O7-4M "TR 10"

    An AC-operated, solid state stereo record player with 4-speed auto changer.

    Features: nine solid state devices; transformerless twin channel amplifiers with push/pull output delivering a total 12 watts peak music power. Control unit features matt teak laminate finish and polished aluminium control panel - topped with a removable translucent lid of scratch-resistant, bronze tinted acrylic. Each of the acoustically designed, matching speaker units contains a specially developed 7" x 5" speaker. (FROM MINGAY'S PRICE SERVICE)

    The record changer is a BSR type AA50 with a special motor with an extra winding to power the amplifier.

    Speaker unit dimensions: 13" x 9" x 6".

  • Price in first year of sale
  • 110.00 AUS $
  • Literature/Schematics (1)
  • -- Original-techn. papers. (HMV Service Manual for Models O5-4G, O6-4L, OA-4R & O7-4M.)
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

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