• Country
• United States of America (USA)

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

• Year
• 1939/1940

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 25431

• • alternative name: Emerson Television

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

• Number of Tubes
• 6

• Valves / Tubes
• 1A7GT 1N5GT 1N5GT 1H5GT 70L7GT or 117L7GT 3Q5GT

• 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
• 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: DJ-311 Ch= DJ - Emerson Radio & Phonograph

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

• Notes

• BC (540-1600kHz) band. Built-in loop antenna. Models with chassis below serial number 3017129 use 70L7GT. 3Q5 used as audio amplifier in battery operation.

• Price in first year of sale
• 29.95 $

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

• Literature/Schematics (3)
• Emerson Folder Form. 40-31, 1-40 for 1940.

• Other Models

• Here you find 2071 models, 1147 with images and 1629 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