• Country
• United States of America (USA)

• Manufacturer / Brand
• Heathkit (Brand), Heath Co.; Benton Harbor (MI)

• Year
• 1966/1967

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 97355

• • alternative name: Heath Company

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

• Number of Transistors
• 26

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110; 220 Volt

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

• Power out
• 70 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Transistor Stereo Amplifier AA-21DE - Heathkit Brand, Heath Co.;

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 387 x 127 x 355 mm / 15.2 x 5 x 14 inch

• Notes

• 2× 35 W Stereo-Verstärker, mit Treiber-Trafos;  Exportversion des AA-21D.
  Extra: Vinylbezogenes Metallgehäuse AE-15: 38,- DM, nußbaumfurniertes Holzgehäuse: AE-11: 65,- DM. E-Modell = auch 220 V.

• Net weight (2.2 lb = 1 kg)
• 11 kg / 24 lb 3.7 oz (24.229 lb)

• Price in first year of sale
• 890.00 DM

• Mentioned in
• Funkschau (Heathkit-Katalog, Sommer 1967)

• Literature/Schematics (1)
• FS 1966 Heft 11 Seite 857

• Author
• Model page created by Trev Levick. See "Data change" for further contributors.

• Other Models

• Here you find 713 models, 697 with images and 503 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Heathkit (Brand), Heath Co.; Benton Harbor (MI)