• Country
• Japan

• Manufacturer / Brand
• Yamaha Co.; Hamamatsu

• Year
• 1986

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 144693

• • alternative name: Nippon Gakki

• 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: Natural Sound T-M77 - Yamaha Co.; Hamamatsu

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 340 x 69 x 299 mm / 13.4 x 2.7 x 11.8 inch

• Notes
• Voltage: UK & Austral model: 240 V; Other 110-130/220-240 V. 30-15 000 Hz +/- 0,5 dB.

• Net weight (2.2 lb = 1 kg)
• 2.5 kg / 5 lb 8.1 oz (5.507 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 768 models, 734 with images and 380 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Yamaha Co.; Hamamatsu