• Country
• United States of America (USA)

• Manufacturer / Brand
• Dietzen Inc., Modells (Mail Order House); New York, NY

• Year
• 1924

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 281665

• Number of Tubes
• 5

• Valves / Tubes
• UV201A UV201A UV201A UV201A UV201A

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown); 2 AF stage(s)

• 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: Polydyne - Dietzen Inc., Modells Mail

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

• Dimensions (WHD)
• 27 x 10 x 12 inch / 686 x 254 x 305 mm

• Notes

• 5-tube battery receiver. Two stages of tuned RF amplification, detector and two AF stages.

• Mentioned in
• Radio News (Sept. 1924, p.339)

• Other Models

• Here you find 13 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Dietzen Inc., Modells (Mail Order House); New York, NY