• Year
  • 1956
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 236887

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) / 117 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 20 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: CHA-20 - Challenger Amplifier Co. Bogen
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 14.125 x 8.5 x 6.5 inch / 359 x 216 x 165 mm
  • Notes
  • 2 channel PA amplifier.

  • Mentioned in
  • 1961 Radio Shack Retail Catalog page 110
  • Author
  • Model page created by Tom Seeger. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

The model is part of the collections of the following members.

 Forum