• Country
• Japan

• Manufacturer / Brand
• Sharp; Osaka

• Year
• 1975 ??

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 84040

• • 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) / AC 110-240 / 4 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 cm = 4.7 inch

• Power out
• 1.5 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

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

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

• Notes
• Baugleiche Geräte: RDN-403 und RDN-403C nur 120 Volt, 60 Hertz; RDF-403D und RDF-403S nur 220 Volt, 50 Hertz.

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

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

• Other Models

• Here you find 1344 models, 1215 with images and 519 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sharp; Osaka