• Country
• United States of America (USA)

• Manufacturer / Brand
• Browning Laboratories Inc.; USA

• Year
• 1948

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 96500

• Number of Tubes
• 5

• Valves / Tubes
• 6SN7GT 6B4G 6B4G

• 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).

• Material
• Metal case

• from Radiomuseum.org
• Model: AA-20 Triode Audio Power Amplifier - Browning Laboratories Inc.;

• Shape
• Chassis only or for «building in»

• Notes

• 1 db from 10 to 17,000 cycles

• Price in first year of sale
• 122.00 $

• Literature/Schematics (1)
• 1951 Newark catalog Nº 51

• Author
• Model page created by Vitor Oliveira. See "Data change" for further contributors.

• Other Models

• Here you find 55 models, 43 with images and 20 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Browning Laboratories Inc.; USA