• Country
• United States of America (USA)

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

• Year
• 1960 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 146322

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

• Number of Tubes
• 8

• Valves / Tubes
• 12AX7 12AX7 12AX7 ECL82 ECL82 ECL82 ECL82 GZ34

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 - 120 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: AC220 - Challenger Amplifier Co. Bogen

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 12.875 x 4.5 x 7.25 inch / 327 x 114 x 184 mm

• Notes
• AC operated stereo amplifier.

• Price in first year of sale
• 79.95 USD

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 488, Folder 7, June 1960)

• Literature/Schematics (2)
• Radio Shack Catalog (1960, page 12)

• Author
• Model page created by Peter Hoddow. 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