• Country
• United States of America (USA)

• Manufacturer / Brand
• Challenger Amplifier Co. (Bogen); New York, NY / Paramus, NJ

• Year
• 1958 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 171936

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

• Number of Tubes
• 5

• Valves / Tubes
• 12AX7 12AX7 6V6GT 6V6GT 6AX5GT

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Record Player (not changer)

• Power type and voltage
• Line / Batteries (any type) / AC 110-220/ 12; 6 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: CHA620Y - Challenger Amplifier Co. Bogen

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

• Notes
• The Challenger Model CHA620Y is an AC-Battery Operated 5 Tube 20 Watt Audio Amplifier with Record Player.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 11-58, Set 422, Folder 6)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 47 models, 43 with images and 36 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Challenger Amplifier Co. (Bogen); New York, NY / Paramus, NJ