520 Ch= 120000 dial 320°, octal tubes

• Country
• United States of America (USA)

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

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 38533

• • 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
• 5

• Valves / Tubes
• 12SA7 or 12SA7GT 12SK7 or 12SK7GT 12SQ7 or 12SQ7GT 50L6GT 35Z5GT

• 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
• AC/DC-set / 105-125 Volt

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

• Material
• Catalin (a brand name for a thermosetting polymer popular in the 1930s and 1940s - a phenol formaldehyde resin - like Bakelite, but a two-stage process with a lot of work afterwards).

• from Radiomuseum.org
• Model: 520 Ch= 120000 [dial 320°, octal tubes] - Emerson Radio & Phonograph

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Dimensions (WHD)
• 11 x 8.25 x 7 inch / 279 x 210 x 178 mm

• Notes
• BC Band Tuning Range: 540-1620kHz. Built-in loop antenna. Chassis No.120000 has a 320° dial and metal or glass octal tubes. Ivory speaker grille with square or round holes.

• Price in first year of sale
• 35.00 $

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 15 = 1947 and before

• Mentioned in
• Radio Retailing (Radio & Television R.) (May 1946 page 97.)

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 06, 1946

• Literature/Schematics (2)
• Emerson Radio and Television Service Manual (Page 11)

• 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