• Country
• United States of America (USA)

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

• Year
• 1934/1935

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43030

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

• Number of Tubes
• 4

• Valves / Tubes
• 58 57 2A5 80

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

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110-120 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 6 inch = 15.2 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 4-T - Gilfillan Bros.Inc.; Los

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

• Dimensions (WHD)
• 12 x 8 x 6 inch / 305 x 203 x 152 mm

• Net weight (2.2 lb = 1 kg)
• 4.4 kg / 9 lb 11.1 oz (9.692 lb)

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 5 = ca. 1934 and before

• Other Models

• Here you find 186 models, 114 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)