Multichannel Receiver Model 50+

Harman Kardon; New York

  • Year
  • 1973
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 181747

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Radio with other functions
  • Power type and voltage
  • Alternating Current supply (AC) / 220 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 50 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Multichannel Receiver Model 50+ - Harman Kardon; New York
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 155 x 350 mm / 16.5 x 6.1 x 13.8 inch
  • Notes
  • Harman Kardon Multichannel Receiver Model 50+;
    AM/FM Stereo 4-Kanal Receiver mit SQ-Matrix.
    Continuous Power (Stereo): 25 watts, RMS, per channel into 8 ohms at 1 kHz.
    Continuous Power (Quad): 4 x 12.5 watts, RMS, per channel into 8 ohms at 1 kHz.
    Total Harmonic Distortion: 0.3% at l kHz.
    Intermodulation Distortion: 0.5% (40 & 4,000 Hz) 3dB down in power.
    Frequency Response: 18-74,000 Hz ±1.0dB.
    Power Bandwidth: 28-30,000 Hz, 3dB down.
    Matrix Phase Differential: 0° to ± 6°.
    Matrix Overload: 4 volts, RMS, 20-20 kHz.
    Matrix Frequency Response: 20-20 kHz (uniform amplitude).
    FM Sensitivity: 2.8 microvolts, IHF.
    FM Total Harmonic Distortion: 0.9%.
    Ultimate Signal to Noise: 62dB.
    Capture Ratio: 3.0dB.
    IF Rejection: 60dB.
    Spurious Response Rejection: 60dB.
    Stereo Separation: 30dB.
    AM Sensitivity: 30 microvolts.
    Image Rejection: 40dB.

    Made in Japan

  • Net weight (2.2 lb = 1 kg)
  • 11.5 kg / 25 lb 5.3 oz (25.33 lb)
  • Source of data
  • -- Original-techn. papers.
  • Author
  • Model page created by Andreas Sommerer. See "Data change" for further contributors.

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