• Country
• Japan

• Manufacturer / Brand
• Yamaha Co.; Hamamatsu

• Year
• 1979/1980

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 158043

• • alternative name: Nippon Gakki

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC)

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 60 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Natural Sound Stereo Amplifier A-450 - Yamaha Co.; Hamamatsu

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 435 x 112 x 338 mm / 17.1 x 4.4 x 13.3 inch

• Notes
• Stereo Amplifier mit 2 x 30 Watt an 8 Ohm. Subsonic-Filter, Bandwahlschalter mit Kopierfunktion.

• Net weight (2.2 lb = 1 kg)
• 7.8 kg / 17 lb 2.9 oz (17.181 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 767 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