• Country
• Japan

• Manufacturer / Brand
• Sharp; Osaka

• Year
• 1982

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 143783

• • alternative name: Hayakawa Electric Co.Ltd.

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

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

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Optonica ST-104H - Sharp; Osaka

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 330 x 65 x 271 mm / 13 x 2.6 x 10.7 inch

• Notes
• 3-Band-Stero-Tuner. Gehäuse in Silber.

• Net weight (2.2 lb = 1 kg)
• 2.3 kg / 5 lb 1.1 oz (5.066 lb)

• Source of data
• -- Original prospect or advert

• Author
• Model page created by Franz Scharner. 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