• Country
• United States of America (USA)

• Manufacturer / Brand
• Kolster; USA

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 45612

• • Brand: International

• Number of Tubes
• 6

• Valves / Tubes

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Power type and voltage
• Storage and/or dry batteries

• from Radiomuseum.org
• Model: 6-B - Kolster; USA

• Shape
• Tablemodel, with any shape - general.

• Notes
• Fedel Tel. Co. 1925, Federal Brandes, Inc. 1926-7, Kolster Radio Corp. 1928-9, Brandes Radio Corp. 1929

• Price in first year of sale
• 225.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Other Models

• Here you find 104 models, 48 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Kolster; USA