• Year
  • 1967 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 180911
    • Brand: TRF

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

 Technical Specifications

  • Number of Transistors
  • 10
  • Main principle
  • Superheterodyne (common); ZF/IF 475/10700 kHz; 3 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)     9 FM circuit(s)
  • Wave bands
  • Broadcast, Long Wave, Short Wave plus FM or UHF.
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
  • Power out
  • 0.75 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: President 3148 - Ferguson Brand, Ferguson Radio
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Source of data
  • -- Schematic
  • Circuit diagram reference
  • Radio and TV Servicing books (R&TVS) book
  • Literature/Schematics (1)
  • Trader Sheet 1822
  • Author
  • Model page created by Keith Staines. See "Data change" for further contributors.

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