• Country
• United States of America (USA)

• Manufacturer / Brand
• Bogen (-Presto), David Co., Inc.; New York, NY / Paramus, NJ

• Year
• 1958

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 171939

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

• Number of Tubes
• 6

• Valves / Tubes
• 6U8 EL34 EL34 5R4GYA 5R4GYA EZ81

• Number of Transistors

• Semiconductors
• Selenium-Rectifier

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110 - 120 Volt

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

• Power out
• 100 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: KO100 - Bogen -Presto, David Co., Inc.

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

• Dimensions (WHD)
• 17 x 6 x 6 inch / 432 x 152 x 152 mm

• Notes
• The David Bogen Model KO100 is an AC operated 6 Tube 100 Watt Audio Amplifier.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 11-58, Set 422, Folder 7)

• Author
• Model page created by Egon Penker. See "Data change" for further contributors.

• Other Models

• Here you find 243 models, 220 with images and 159 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Bogen (-Presto), David Co., Inc.; New York, NY / Paramus, NJ