• Country
• Japan

• Manufacturer / Brand
• Yamaha Co.; Hamamatsu

• Year
• 1989

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 207374

• • alternative name: Nippon Gakki

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

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

• Power out
• 120 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Natural Sound Stereo Amplifier A-230 - Yamaha Co.; Hamamatsu

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 435 x 110 x 254 mm / 17.1 x 4.3 x 10 inch

• Notes
• HiFi Stereo Vollverstärker.
  Sinus 2x 60W an 8 Ohm nach DIN, graphischer 5-Band Equalizer, stufenlos regelbare Loudness.

• Net weight (2.2 lb = 1 kg)
• 5.5 kg / 12 lb 1.8 oz (12.115 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by a member from D. 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