• Country
• United States of America (USA)

• Manufacturer / Brand
• Apex Electric, Pool; Chicago; US Radio & Television Corp.; Marion; (US Radio&Refrigeration)

• Year
• 1932 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 339885

• • alternative name: Apex Electric Mfg. || Case Electric || Melrose || United States Radio & T

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

• Number of Tubes
• 12

• Valves / Tubes
• 58 58 58 56 56 56 57 57 46 46 46 82

• Main principle
• Superhet with RF-stage; ZF/IF 262 kHz; 2 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Radiotrope 2052 Class "B" "The President" Ch= 1200 - Apex Electric, Pool; Chicago;

• Shape
• Console, Lowboy (legs < 50 %).

• Notes

• The Radiotrope 2052 "The President" has the following features:

  • 12-Tube
  • Super Automatic Silent Tuning
  • Matched Dual 10 inch (front) & 8 inch (bottom) Speakers
  • Class B Amplification
  • DeLuxe Cabinet with Doors

  The Radiotrope 2052 "The President", Apex 12B, and Apex 120B all used the same chassis but different cabinets.  The Apex 12B did not have doors; the Apex 120B and Radiotrope 2052 did have doors.

   

• Literature/Schematics (1)
• Rider's Perpetual, Volume 4 = ca. 1934 and before (U.S.Radio & Television Corp. page 4-3 & 4-4)

• Author
• Model page created by Jerry Elarton. See "Data change" for further contributors.

• Other Models

• Here you find 218 models, 88 with images and 122 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Apex Electric, Pool; Chicago; US Radio & Television Corp.; Marion; (US Radio&Refrigeration)