• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Buyers Syndicate; Chicago, IL

• Year
• 1925

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 278372

• Number of Tubes
• 6

• Valves / Tubes

• Main principle
• TRF without regeneration

• 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: Diana Grand - Radio Buyers Syndicate;

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

• Dimensions (WHD)
• 35 x 13 x 13.5 inch / 889 x 330 x 343 mm

• Notes

• Three dials primary tuning controls. 

• Price in first year of sale
• 100.00 $

• Mentioned in
• November 1925, Electrical Record Supplement page 43

• Author
• Model page created by Alan Larsen. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Buyers Syndicate; Chicago, IL