Audio Amplifier A-9A

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

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  • Year
  • 1953 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 81929
    • alternative name: Heath Company

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

 Technical Specifications

  • Number of Tubes
  • 6
  • 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
  • 20 W (unknown quality)
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: Audio Amplifier A-9A - Heathkit Brand, Heath Co.;
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 13.25 x 8.5 x 6.625 inch / 337 x 216 x 168 mm
  • Notes
  • Frequency response: 20 to 20.000 Hz +-1 dB; THD 1%;
    Magnetic Phono input: 7 mV; Microphone input: 10 mV; Crystal phono input: 80 mV; Tuner input: 0,6 V; Bass control: +15 dB to -15 dB; Treble control: +15 dB to -20 dB.
  • Net weight (2.2 lb = 1 kg)
  • 7.735 kg / 17 lb 0.6 oz (17.037 lb)
  • Price in first year of sale
  • 36.00 $
  • Mentioned in
  • -- Original prospect or advert
  • Literature/Schematics (1)
  • -- Schematic

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