• Country
• United States of America (USA)

• Manufacturer / Brand
• Sylvania (Hygrade, GTE, Nilco); Emporium (PA)

• Year
• 1954 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 92066

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

• Number of Tubes
• 5

• Valves / Tubes
• 12SA7GT 12SK7GT 12SQ7GT 50A5 35Z4GT

• 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 / 110 - 120 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Bakelite or Plastics (type unknown)

• from Radiomuseum.org
• Model: 568 Ch= 1-601-4 - Sylvania Hygrade, GTE, Nilco;

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

• Notes
• Sams photofact, set 271, folder 15, date 3-55, features the Sylvania models 568 and 5184 as the same schematic.

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 14, 1954

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 3-55, Set 271, Folder 15)

• Author
• Model page created by Walter Wiesmüller † May 2012. See "Data change" for further contributors.

• Other Models

• Here you find 1087 models, 455 with images and 956 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)