• Country
• Japan

• Manufacturer / Brand
• Sharp; Osaka

• Year
• 1980 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 116579

• • alternative name: Hayakawa Electric Co.Ltd.

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common)

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

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

• Loudspeaker
• - For headphones or amp.

• Power out
• 220 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: ST31 - Sharp; Osaka

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 430 x 232 x 85.5 mm / 16.9 x 9.1 x 3.4 inch

• Net weight (2.2 lb = 1 kg)
• 2 kg / 4 lb 6.5 oz (4.405 lb)

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by Wilfried Winter. See "Data change" for further contributors.

• Other Models

• Here you find 1333 models, 1203 with images and 517 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sharp; Osaka