• Country
• United States of America (USA)

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

• Year
• 1953/1954

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 132420

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

• Number of Tubes
• 5

• Valves / Tubes
• 6SC7 6SL7GT 6V6GT 6V6GT 6X5GT

• 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, TUBES VISIBLE

• from Radiomuseum.org
• Model: 8 Watt Audio Amplifier HF-8 - Challenger Amplifier Co. Bogen

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes
• The model HF8 from Challenger Amplifier Co. is an AC operated 3 channel 8 watt audio amplifier.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 11-54, set 257, folder 3)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 47 models, 43 with images and 35 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