• Country
• United States of America (USA)

• Manufacturer / Brand
• Gilfillan Bros.Inc.; Los Angeles (CA)

• Year
• 1928

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43097

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

• Number of Tubes
• 9

• Valves / Tubes
• 27 27 27 27 27 10 10 81 81

• Main principle
• TRF without regeneration; Neutrodyne

• Details
• Record Player (perh.Changer)

• Power type and voltage
• Alternating Current supply (AC)

• from Radiomuseum.org
• Model: 77 - Gilfillan Bros.Inc.; Los

• Shape
• Console with any shape - in general

• Notes
• One dial (primary tuning control knob)

• Price in first year of sale
• 395.00 $

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

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

• Other Models

• Here you find 186 models, 115 with images and 129 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Gilfillan Bros.Inc.; Los Angeles (CA)