• Country
• United States of America (USA)

• Manufacturer / Brand
• Harman Kardon; New York

• Year
• 1981

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 161721

• 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
• 70 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: A-640 - Harman Kardon; New York

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 440 x 90 x 320 mm / 17.3 x 3.5 x 12.6 inch

• Notes
• Stereo Integrated amplifier with 35 watts RMS per cahnnel into 8 ohms.

• Net weight (2.2 lb = 1 kg)
• 6.4 kg / 14 lb 1.6 oz (14.097 lb)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 298 models, 257 with images and 129 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Harman Kardon; New York