• Country
• United States of America (USA)

• Manufacturer / Brand
• Grant Company, W.T. (Grantline); New York (NY)

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 133051

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7 12SK7 12SQ7 50L6GT unknown_Tube

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

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 115 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Bakelite case

• from Radiomuseum.org
• Model: Grantline 504-7 - Grant Company, W.T. Grantline;

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes
• Grant Grantline 504-7;
  built-in loop antenna.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (7-1947 Set 21 Folder 4711-19)

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

• Other Models

• Here you find 20 models, 16 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Grant Company, W.T. (Grantline); New York (NY)