• Country
• United States of America (USA)

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

• Year
• 1966 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 96602

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

• Number of Transistors
• 13

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

• Wave bands
• Broadcast (MW), Police, sometimes also early TV (75-200m).

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

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

• from Radiomuseum.org
• Model: BK54 - Sylvania Hygrade, GTE, Nilco;

• Circuit diagram reference
• Beitman Radio Diagrams Vol. 27, 1967-69 (last vol.)

• Author
• Model page created by Egon Penker. 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)