• Country
• Japan

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

• Year
• 1986 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 291581

• 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).

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Integrated Stereo Amplifier A-8420 - Onkyo, Osaka Denki Onkyo K.K.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 435 x 115 x 265 mm / 17.1 x 4.5 x 10.4 inch

• Notes

• Onkyo A-8420 Integrated Stereo Amplifier Discrete Amplifier Output Stage.

• Net weight (2.2 lb = 1 kg)
• 6 kg / 13 lb 3.5 oz (13.216 lb)

• Author
• Model page created by Eckhard Wegner. See "Data change" for further contributors.

• Other Models

• Here you find 639 models, 616 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