• Country
• United States of America (USA)

• Manufacturer / Brand
• Emerson Radio & Phonograph Corp.; New York, NY

• Year
• 1941/1942

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 39030

• • alternative name: Emerson Television

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

• Number of Tubes
• 6

• Valves / Tubes
• 1N5GT 1A7GT 1N5GT 1H5GT 3Q5GT 117P7

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

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / 105-125; 9; 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6.5 inch = 16.5 cm

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

• from Radiomuseum.org
• Model: 428 Ch= FU - Emerson Radio & Phonograph

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

• Notes

• BC (540-1630kHz) band. Built-in loop antenna as first RF circuit. 117P7 tube used in AC/DC operation.

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios (6th edition)

• Circuit diagram reference
• Rider's Perpetual, Volume 13 = 1942 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Radio Retailing (Radio & Television R.) (June, October 1941 page 5.)

• Literature/Schematics (3)
• Emerson Folder for 1942.

• Other Models

• Here you find 2071 models, 1147 with images and 1628 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Emerson Radio & Phonograph Corp.; New York, NY