• Country
• United States of America (USA)

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

• Year
• 1940 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 124579

• Number of Tubes
• 9

• Valves / Tubes
• 7B4 7B4 7F7 7F7 7B7 7N7 6L6 6L6 5X4

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

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

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: PV-20 - Bogen -Presto, David Co., Inc.

• Shape
• Chassis only or for «building in»

• Notes
• Output 4~8~15~250~500 Ohms.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Gottfried Silberhorn. 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