• Country
• United States of America (USA)

• Manufacturer / Brand
• Harman Kardon; New York

• Year
• 1959

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 151021

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

• Number of Tubes
• 6

• Valves / Tubes
• 6CG7 6CG7 6L6GB 6L6GB 6L6GB 6L6GB

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 - 120 Volt

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

• Power out
• 25 W (50 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: HK-250 - Harman Kardon; New York

• Shape
• Tablemodel, low profile (big size).

• Notes
• The Harman-Kardon Model HK-250 is an AC operated 6 Tube Stereo Amplifier.

• Price in first year of sale
• 100.00 $

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 10-59, Set 460, Folder 9)

• Literature/Schematics (2)
• Radio Shack Catalog (1959; page 13)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 297 models, 257 with images and 126 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Harman Kardon; New York