Stereophonic Amplifier LA-224B

Lafayette Radio & TV Corp; New York (NY)

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  • Year
  • 1968 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 94649
    • alternative name: Wholesale Radio

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

 Technical Specifications

  • Number of Tubes
  • 10
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110/230 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 28 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereophonic Amplifier LA-224B - Lafayette Radio & TV Corp; New
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 340 x 120 x 230 mm / 13.4 x 4.7 x 9.1 inch
  • Notes

  • Stock No. 99-0143WX

    Output transformer nested multiple times, core size EI78 with only 25 mm package thickness
    Switchable speaker impedance: 8/16 Ohm.

    Phono preamplifier with AC heating. There are 2 separate heating circuits, each with a hum-cancelling potentiometer. The similarly constructed Pioneer SM-83 ​ works with DC heating in the phono preamplifier.

    The identical device was also sold as Bocama LA-224B.

  • Net weight (2.2 lb = 1 kg)
  • 9 kg / 19 lb 13.2 oz (19.824 lb)
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by Armin Beyer. See "Data change" for further contributors.

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