4-Channel AM/FM Stereo Receiver LR-4000

Lafayette Radio & TV Corp; New York (NY)

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  • Year
  • 1974 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 337555
    • alternative name: Wholesale Radio

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 105-120 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 4-Channel AM/FM Stereo Receiver LR-4000 - Lafayette Radio & TV Corp; New
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 21 x 5.25 x 13 inch / 533 x 133 x 330 mm
  • Notes

  • Fisher LR-4000 claimed to be the first to offer a 4-Channel Stereo Quadraphonic (SQ) AM/FM Stereo Receiver.

    Output power rating (4 output channels):
    4 x 25 Watts at 8 ohms.
    4 x 57 Watts at 4 ohms.

    Audio frequency response: Declared 13 ÷ 35,000 Hz; Detected 13 ÷ 100,000 Hz - 3 dB.
    Tone controls : Treble, Middle and Bass. Active mode with a JFET 
    From an article of Mr. Adriano Cagnolati on "CQ Elettronica" March 1974.

  • Mentioned in
  • -- Original prospect or advert (CQ Elettronica, Italy CD editor, number 10 October 1974.)
  • Literature/Schematics (1)
  • Lafayette Radio Catalog (1974 #740, pgs. 2-3, "First...4-Channel AM/FM Stereo Receiver" LR-4000)
  • Literature/Schematics (2)
  • From: “CQ Elettronica”, Italy, CD editor, number 3, March 197
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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