• Country
• United States of America (USA)

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

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 43414

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7 12SK7 12SQ7 50L6GT 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 105 - 125 Volt

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

• Power out
• 0.8 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 501 Series A - Grant Company, W.T. Grantline;

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

• Notes
• Trade name = Grandline. Sams photofact set 9 folder 469-17 features the Grant models 500 and 501 as the same schematic.

• External source of data
• Ernst Erb

• Source of data
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Circuit diagram reference
• Rider's Perpetual, Volume 16 = ca. 1948 and before

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 9 folder 469-17 date 12-46)

• 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)