• Country
• United States of America (USA)

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

• Year
• 1950 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 220617

• Number of Tubes
• 7

• Valves / Tubes
• 6SF5 6SF5 6SF5 6SL7GT 6L6G 6L6G 7Z4

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Record Player (not changer)

• Power type and voltage
• Line / Batteries (any type) / 117 / 6 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: J623 - Bogen -Presto, David Co., Inc.

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes
• PA amplifier with 3-speed phonograph (33 1/3, 45 and 78 rpm). 2 microphone inputs. Built-in vibrator for +B.

• Author
• Model page created by Gottfried Silberhorn. See "Data change" for further contributors.

• Other Models

• Here you find 242 models, 219 with images and 158 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