• Country
• Japan

• Manufacturer / Brand
• Sharp; Osaka

• Year
• 1975 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 159080

• • alternative name: Hayakawa Electric Co.Ltd.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Optonica ST-3000MK II - Sharp; Osaka

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 442 x 144 x 380 mm / 17.4 x 5.7 x 15 inch

• Notes
• AM/FM-Stereo-Tuner.

• Net weight (2.2 lb = 1 kg)
• 10 kg / 22 lb 0.4 oz (22.026 lb)

• 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