• Country
• United States of America (USA)

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

• Year
• 1948/1949

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 132428

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

• Number of Tubes
• 4

• Valves / Tubes
• 6SF5 6SF5 6L6GA 6X5

• Main principle
• Audio-Amplification; 3 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: 6 Watt Audio Amplifier CD-6 - Challenger Amplifier Co. Bogen

• Shape
• Chassis only or for «building in»

• Notes
• The model CD6 from Challenger Amplifier Co. is a storage battery operated audio amplifier with 3 stages with a pre amplifiers. The vibrrator can be replaced from the front.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 7-49, 4913-4, set 65 folder 4)

• 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