• Country
• United States of America (USA)

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

• Year
• 1974 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 186891

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

• Number of Transistors
• 8

• Semiconductors
• unknown_tr

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 3 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 9 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.25 inch = 5.7 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR112 - Sylvania Hygrade, GTE, Nilco;

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Notes

• Made in Hong Kong

• Literature/Schematics (1)
• -- Original-techn. papers. (Sylvania Bulletin 377-1 for model TR112)

• Author
• Model page created by Jose Casas-Avalos. See "Data change" for further contributors.

• Other Models

• Here you find 1049 models, 450 with images and 913 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)