• Country
• Japan

• Manufacturer / Brand
• Sharp; Osaka

• Year
• 1968

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 215781

• • alternative name: Hayakawa Electric Co.Ltd.

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

• Number of Transistors
• 8

• Semiconductors
• 2SB75 2SB75 2SB75 2SB77 2SB77 2SB77 2SB370 2SB370

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Line / Batteries (any type) / 220 / 4 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 1.5 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: RD-403D - Sharp; Osaka

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 284 x 69 x 205 mm / 11.2 x 2.7 x 8.1 inch

• Notes

• VU meter. DIN terminal.
  Tape speed: 4.75 cm/s
  Track number: 2
  Audio characteristics: 70 - 10.000 Hz.

  Made in Japan 302

• Net weight (2.2 lb = 1 kg)
• 2.8 kg / 6 lb 2.7 oz (6.167 lb)

• Price in first year of sale
• 60.00 $

• Mentioned in
• Mentioned in US Billboard 19. Oct. 1968, p.23

• Author
• Model page created by Adalbert Blenessy. 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