• Country
• United States of America (USA)

• Manufacturer / Brand
• Harman Kardon; New York

• Year
• 1958

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 169320

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

• Number of Tubes
• 5

• Valves / Tubes
• ECC83 ECC83 EL84 EL84 EZ80

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 105 - 125 Volt

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

• Power out
• 10 W (16 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: A-10 Allegro - Harman Kardon; New York

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

• Dimensions (WHD)
• 12 x 4 x 6 inch / 305 x 102 x 152 mm

• Notes
• The Harman Kardon Model A-10 Allegro is an AC operated 5 Tube 3 Channel Audio Amplifier.

• Net weight (2.2 lb = 1 kg)
• 11 lb 0 oz (11 lb) / 4.994 kg

• Price in first year of sale
• 50.00 $

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 1-59, Set 426, Folder 10)

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

• Literature/Schematics (3)
• - - Manufacturers Literature (Harman-Kardon user guide with schematic)

• Literature/Schematics (4)
• -- Original-techn. papers. (Article in The Spectrum Monitor, December 2022)

• Author
• Model page created by Egon Penker. 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