• Country
• United States of America (USA)

• Manufacturer / Brand
• Roth-Downs Manufacturing Co.; St. Paul, MN

• Year
• 1927

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 55278

• • Brand: Orpheus

• Number of Tubes
• 4

• Valves / Tubes

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries

• from Radiomuseum.org
• Model: Orpheus H [new] - Roth-Downs Manufacturing Co.;

• Shape
• Tablemodel, with any shape - general.

• Notes
• Collector's guide names it Orphens but it is Orpheus.

• Price in first year of sale
• 60.00 $

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 16 models, 5 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roth-Downs Manufacturing Co.; St. Paul, MN