• Country
• United States of America (USA)

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

• Year
• 1959 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 148953

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

• Number of Transistors
• 7

• Semiconductors
• 2N194 2N233 2N233 SYL1583 2N306 2N1059 2N1059

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / AA: 4 x 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3.5 inch = 8.9 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: T-7 All Transistor 7P12T - Sylvania Hygrade, GTE, Nilco;

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

• Notes
• Battery operated transistorized portable AM receiver. Sams photofact set 500 folder 17 date 9-60 features the Sylvania models 7P12E, 7P12T with chassis 1-638-1, the models 2800, 2808, 2809 with chassis 1-638-2 and the model 2901 with chassis 1-638-3

• Mentioned in
• Collector's Guide To TrR1 Bunis trans.94 (1996, page 270)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 500 folder 17 date 9-60)

• Author
• Model page created by Peter Hoddow. See "Data change" for further contributors.

• Other Models

• Here you find 1092 models, 455 with images and 958 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)