• Country
• United States of America (USA)

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

• Year
• 1955 ?

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 335445

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

• Main principle
• Superhet with RF-stage

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

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

• from Radiomuseum.org
• Model: 521 Series Ch= 1-521-3 - Sylvania Hygrade, GTE, Nilco;

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 285 Folder 14 dated 1955)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 306 Folder 1 Production Changes Bulletin 144 dated 2-56)

• Author
• Model page created by Dirk Taekels. 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)