• 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
• 275078

• Number of Tubes
• 9

• Valves / Tubes
• 12AX7 6AV6 7247 12AX7 7027A 7027A GZ34 GZ34 GZ34

• 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
• 75 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: CHA 75A Series F-110 - Challenger Amplifier Co. Bogen

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

• Dimensions (WHD)
• 17 x 6.5 x 12 inch / 432 x 165 x 305 mm

• Notes

• PA mixing amplifier, inputs: 2x Microphone + Phono.

• Net weight (2.2 lb = 1 kg)
• 27 lb (27 lb 0 oz) / 12.258 kg

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 395, Folder 7, June 1958 for CHA 75)

• 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