• 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
• 133904

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

• Number of Tubes
• 4

• Valves / Tubes
• 6AV6 6AU6 6L6 EZ81

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: CHA-10 - Challenger Amplifier Co. Bogen

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 11 x 5.75 x 7 inch / 279 x 146 x 178 mm

• Notes

• Challenger model CHA10 is an AC operated 2 channerl 10 watt audio amplifier.

• Source of data
• -- Collector info (Sammler)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 389 Folder 7 dated 2-58)

• Author
• Model page created by Gottfried Silberhorn. 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