• Country
• Japan

• Manufacturer / Brand
• Onkyo, Osaka Denki Onkyo K.K.; Osaka

• Year
• 1990/1991

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 220010

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hi-Fi equipment

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

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

• Power out
• 460 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Integrated Stereo Amplifier Digital Reference A-8990 - Onkyo, Osaka Denki Onkyo K.K.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 477 x 183 x 453 mm / 18.8 x 7.2 x 17.8 inch

• Notes
• Onkyo Grand Integra Integrated Stereo Amplifier Digital Reference A-8990,
  2 x 230 Watt Sinusleistung (4 Ohm),
  2 x 135 Watt Sinusleistung (8 Ohm),
  2 x 280 Watt Musikleistung (4 Ohm).

• Net weight (2.2 lb = 1 kg)
• 32 kg / 70 lb 7.8 oz (70.485 lb)

• Source of data
• -- Original prospect or advert

• Other Models

• Here you find 638 models, 615 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Onkyo, Osaka Denki Onkyo K.K.; Osaka