• Country
• United States of America (USA)

• Manufacturer / Brand
• Globe Electric Co.; Milwaukee, Wisconsin (Duodyne)

• Year
• 1924

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43136

• Number of Tubes
• 4

• Valves / Tubes
• UV201A UV201A UV201A UV201A

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

• Tuned circuits
• 2 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: Duodyne 775 [old] - Globe Electric Co.; Milwaukee,

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

• Dimensions (WHD)
• 16.75 x 10 x 6.5 inch / 425 x 254 x 165 mm

• Notes

• Two-dials primary tuning. 1-stage RF, Detector and 2-stages AF amplification.

• Price in first year of sale
• 80.00 $

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 34 models, 20 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Globe Electric Co.; Milwaukee, Wisconsin (Duodyne)