• Country
• United States of America (USA)

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

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 38596

• • alternative name: Emerson Television

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

• Number of Tubes
• 7

• Valves / Tubes
• 6SB7Y 6SG7 6SG7 6SH7 6S8GT 25L6GT 25Z6GT

• Main principle
• Superheterodyne (common); ZF/IF 455; 10.7 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)     10 FM circuit(s)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• AC/DC-set / 105-125 Volt

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

• Material
• Bakelite case

• from Radiomuseum.org
• Model: 557 Ch= 120048B - Emerson Radio & Phonograph

• Shape
• Tablemodel, with any shape - general.

• Notes
• BC(540-1620kHz)band. FM(88-108MHz)band. Built-in loop antenna for BC band. FM uses power line cord for antenna, with option to connect external antenna. The same model with a different chassis (120018B) exists.

• External source of data
• Ernst Erb

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

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Literature/Schematics (1)
• Beitman Radio Diagrams, Vol. 09, 1949

• Literature/Schematics (2)
• Emerson Radio and Television Service Manual (Page 119)

• Literature/Schematics (4)
• Photofact Folder, Howard W. SAMS (Set 43, Date 8/48, Folder 4813-10)

• Other Models

• Here you find 2088 models, 1150 with images and 1646 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