• Country
• United States of America (USA)

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

• Year
• 1947/1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 38589

• • alternative name: Emerson Television

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

• Number of Tubes
• 6

• Valves / Tubes
• 7B7 14Q7 7B7 14B6 50A5 35Y4

• Main principle
• Superhet with RF-stage; 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
• Wooden case

• from Radiomuseum.org
• Model: 550 Ch= 120056 [loctal tubes] - Emerson Radio & Phonograph

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

• Notes

• BC Band Tuning Range: 540-1620kHz. Built-in loop antenna. Chassis No.120056 has loctal tubes. Circuit diagram and voltage chart are the same as chassis 120006 (which uses octal tubes), except the tube base numbers are different. The Emerson model 512, 515, 516 and 550 use the same chassis - an older version and a newer. This is the newer chassis of the Emerson model 550 with loctal tubes.

• Price in first year of sale
• 34.95 $

• 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
• Machine Age to Jet Age III (Rider's Perpetual, Volume 17 Changes)

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 08, 1948

• Literature/Schematics (2)
• Emerson Radio and Television Service Manual (Page 36)

• Literature/Schematics (3)
• Emerson Folder Form. 48-107, 10-47 for 1948.

• 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