• Country
• United States of America (USA)

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

• Year
• 1949/1950

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 132418

• Number of Tubes
• 6

• Valves / Tubes
• 6SC7 6SC7 6SL7GT 6L6G 6L6G 5U4G

• Main principle
• Audio-Amplification; 4 AF stage(s)

• 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: 30 Watt Audio Amplifier CH-30 - Challenger Amplifier Co. Bogen

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

• Notes
• The model CH30 from Challenger Amplifier Co. is an AC operated 3 channel audio amplifier with 3 stages and 2 times 4 stages with the mike pre amplifiers. There is an earlier model CC30 with slight differences.

• 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