• Year
  • 1956 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 297521

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 60 cycles, 117V = 110 -120 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case, TUBES VISIBLE
  • from Radiomuseum.org
  • Model: HF8A - Challenger Amplifier Co. Bogen
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 11 x 6 x 8.25 inch / 279 x 152 x 210 mm
  • Notes
  • Challenger Model HF8A is an AC Operated 3 Channel 10 Watt Audio Amplifier.

  • Price in first year of sale
  • 39.99 USD
  • Author
  • Model page created by Dirk Taekels. See "Data change" for further contributors.

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