• Country
• United States of America (USA)

• Manufacturer / Brand
• Thompson Manufacturing Co., R.E.

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 63339

• Number of Tubes
• 5

• Valves / Tubes
• UV201A UV201A UV201A UV201A UV201A

• Main principle
• TRF without regeneration; 2 AF stage(s); Neutrodyne

• Tuned circuits
• 3 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Grandette V50 - Thompson Manufacturing Co., R.

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 22.5 x 9 x 10.5 inch / 572 x 229 x 267 mm

• Notes
• Three dials (primary tuning control knobs). The model has been on the market at least since January 1925. Therefore the tubes were then UV and not UX types. We consider the first set of tubes, not later improved types.

• Net weight (2.2 lb = 1 kg)
• 8.6 kg / 18 lb 15.1 oz (18.943 lb)

• Price in first year of sale
• 125.00 $

• 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

• Literature/Schematics (4)
• January 1925 Radio Broadcast magazine advertisement

• Other Models

• Here you find 19 models, 11 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Thompson Manufacturing Co., R.E.