• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Development & Research Corp. (RDR) USA

• Year
• 1948 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 234446

• • Brand: Magic Tone

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1T4 1S5 3Q4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Batteries / addl. power jack / 1,5 & 67,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Magic Tone 510 - Radio Development & Research

• Shape
• Portable set > 8 inch (also usable without mains)

• Notes

• Battery Operated Portable Superheterodyne Receiver with Loop Antenna

  AM: 540-1650kc

• Mentioned in
• Photofact Folder, Howard W. SAMS (4822-10 Set 52 Folder 10)

• Author
• Model page created by Friedrich Weber † 12.09.2014. See "Data change" for further contributors.

• Other Models

• Here you find 11 models, 7 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Development & Research Corp. (RDR) USA