• Country
• United States of America (USA)

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

• Year
• 1972 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 273288

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

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 60Hz, 120 Volt

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

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 20 Watt Transistor P.A. Amplifier Solid State Series C20 - Challenger Amplifier Co. Bogen

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 11.25 x 3.75 x 11 inch / 286 x 95 x 279 mm

• Notes

• Bogen Mobile Transistorized 20 Watt P.A. Amplifier Model C20 (Challenger Solid State Series).
  Frequency Response: 100 - 10000Hz, +/-2dB
  Inputs: 1x Mic (high impedance), 2x AUX (hig impedance, high level)
  Outputs: Speaker 4, 8 or 16 ohms for 25V and 70V Constant-Voltage Systems.
  Power Consumption 54 Watts at 120VAC, 60Hz
  Semiconductors:
  All Silicon, 7x Transistors, 6x Diodes
  
   

• Net weight (2.2 lb = 1 kg)
• 11 lb (11 lb 0 oz) / 4.994 kg

• Mentioned in
• - - Manufacturers Literature (Installation and Operating Manual)

• Author
• Model page created by Franz Scharner. 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