• Country
• United States of America (USA)

• Manufacturer / Brand
• Hamilton Radio Corp. (see Olympic Radio); New York, NY

• Year
• 1940 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 44020

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

• Number of Tubes
• 4

• Valves / Tubes
• 1A7GT 1N5GT 1H5GT 1C5GT

• 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
• Dry Batteries

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

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

• from Radiomuseum.org
• Model: 289 - Hamilton Radio Corp. see

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

• Notes

• Built-in loop antenna.

  Rider's schematic for this model attributes it to a Hamilton Radio Co. (not Corp.), which we are not able to identify at this time.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Other Models

• Here you find 2 models, with images and with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hamilton Radio Corp. (see Olympic Radio); New York, NY