• Country
• United States of America (USA)

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

• Year
• 1955 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 150456

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

• Number of Tubes
• 8

• Valves / Tubes
• 6SF5 6SF5 6SF5 6SF5 6SL7GT 6L6G 6L6G 5U4G

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

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

• Power out
• 30 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: J-330 - Bogen -Presto, David Co., Inc.

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

• Notes

• The David Bogen model J-330 is an AC operated 30 Watt audio amplifier with 1 phono and 3 microphone input channels.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 10-55, Set 291, Folder 5)

• Author
• Model page created by Egon Penker. 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