640 Ch= 120112

• Country
• United States of America (USA)

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

• Year
• 1950–1954

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 38649

• • alternative name: Emerson Television

• Picture
• Schematics

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1T4 1U5 3S4

• 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
• Storage and/or dry batteries / 1.5; 67.5 Volt

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

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: 640 Ch= 120112 - Emerson Radio & Phonograph

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

• Dimensions (WHD)
• 240 x 115 x 55 mm / 9.4 x 4.5 x 2.2 inch

• Notes

• Assorted colors: Ivory, Saddle Tan, Green or Maroon.  BC (540-1600kHz) band. Built-in loop antenna.

• Net weight (2.2 lb = 1 kg)
• 1 kg / 2 lb 3.2 oz (2.203 lb)

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 21, Copyright 1950

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

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 10, 1950

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 93 Folder 5 Date 5-50)

• Literature/Schematics (3)
• Emerson Folders "New 1952" and "New 1954".

• Other Models

• Here you find 2062 models, 1144 with images and 1618 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