• Country
• United States of America (USA)

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

• Year
• 1963 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 214366

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

• Number of Tubes
• 5

• Valves / Tubes
• 6EU7 12AX7 6C4 7868 7868

• 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
• 35 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: CHB 35A Series K-77 - Challenger Amplifier Co. Bogen

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

• Dimensions (WHD)
• 16 x 7 x 10 inch / 406 x 178 x 254 mm

• Notes
• PA amplifier; 2 mic inputs.

• 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