• Country
• United States of America (USA)

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

• Year
• 1954

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 101548

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

• Number of Tubes
• 8

• Valves / Tubes
• 6BD6 6BE6 6BD6 6AV6 6AV6 6AQ5 6AQ5 6X4

• Main principle
• Superheterodyne (common); ZF/IF 265 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

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

• Material
• Metal case

• from Radiomuseum.org
• Model: 4SF765 Ch= FDA-18805-A - Sylvania Hygrade, GTE, Nilco;

• Shape
• Chassis only or for «building in»

• Notes
• 6" x 9" PM elliptical speaker; Vibrator for +B.
  For 1954 Ford Automobiles.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 10-54, Set 255, Folder 6)

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

• Other Models

• Here you find 1094 models, 456 with images and 967 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)