• Country
• Japan

• Manufacturer / Brand
• Sharp; Osaka

• Year
• 1967–1972

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 128540

• • alternative name: Hayakawa Electric Co.Ltd.

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

• Number of Transistors
• 11

• Semiconductors
• 2SB73 2SB75 2SB77 2SB77 2SB156 2SB73 2SB75 2SB77 2SB77 2SB156 2SB77

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Tape Recorder

• Power type and voltage
• Alternating Current supply (AC) / 110; 200; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: RD-712 - Sharp; Osaka

• Shape
• Tablemodel with Push Buttons.

• Notes

• Sharp Model RD-712

  Solid state, 3-speed , 4-track stereo tape deck with pre-amplifier. Horizontal and vertical operation. Sound-with-sound facility. VU meters; automatic shut-off system; three-digit tape counter; 7" tape. (MINGAY'S PRICE SERVICE)

  Tape speeds: 7½, 3¾, 1⅞ ips. Frequency response: 40 - 16,000 Hz at 7½ ips; 30 - 9,000 Hz at 3¾ ips; 50 - 3,500 at 1⅞ ips.

  See also 120 volt version.

• Net weight (2.2 lb = 1 kg)
• 22 lb 0 oz (22 lb) / 9.988 kg

• Price in first year of sale
• 200.00 AUS $

• Mentioned in
• Mingay's Price Service (Feb 1968 to Aug 1972.)

• Literature/Schematics (1)
• -- Original-techn. papers. (Service Manual.)

• Author
• Model page created by Josef Pilz. See "Data change" for further contributors.

• Other Models

• Here you find 1338 models, 1209 with images and 517 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sharp; Osaka