• Country
• United States of America (USA)

• Manufacturer / Brand
• Ray Jefferson; Philadelphia (PA)

• Year
• 1970 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 136848

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Storage and/or dry batteries / 12; 8 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: 630/RDF Direction Finder - Ray Jefferson; Philadelphia PA

• Shape
• Tablemodel, with any shape - general.

• Notes
• Ray Jefferson 630/RDF;
  Coverage:
  AM, FM, MB: 1.6 - 4.0 MHz,
  LW; 150 - 400 KHz,
  VHF: 145 - 174 MHz,
  tone control, tuning meter, turnable ferrite bar antenna on top with compass rose, dial light, earphone jack, AFC, telescopic antenna.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 5 models, 4 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Ray Jefferson; Philadelphia (PA)