Stereo Integrated Amplifier PM-4

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1983
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 309003

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110 or 120 or 220 or 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 126 W (146 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Integrated Amplifier PM-4 - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 416 x 117 x 334 mm / 16.4 x 4.6 x 13.1 inch
  • Notes

  • A stereo integrated amplifier in Marantz's 'Esotec' Series of hi-fi separates. Power output of 2 x 60 watts Class AB or 2 x 15 watts Class A, into 8 ohms. Terminals for 2 pairs of loudspeakers, System 1 and System 2. Input RCA Sockets for Phono 1 (MM/MC) and Phono 2 (MM), Tuner, TV/Aux, input and output RCA sockets for 2 Tape recorders and three AC Outlets. Rotary controls for Bass, Treble, Volume/Balance, push buttons for Power, Speakers 1 and 2, Class A, Loudness, Subsonic filter, switches for Tone Defeat (On, Off), Tape Copying and Monitoring, Mode (Mono, Stereo, Reverse)  and a rotary Selector switch (Phono 1 (MC or MM), Phono 2, Tuner, TV/Aux). Jack for headphones.

    Specification
    Power Output per channel ..............:  63 watts rms into 8Ω THD 0.03%
     (20Hz-20kHz)                                 :  73 watts rms into 4Ω THD 0.06%
                                       Class A ........:  15 watts rms into 8Ω THD 0.03%
    Power Bandwidth ...........................:  10Hz - 40kHz
    Intermodulation Distortion, 8Ω .......:  0.02%
    Input Sensitivity/Impedance :
                                       MM ..............:  2.5mV/47kΩ
                                       MC ..............:  220µV/100Ω
                                       Line .............:  150mV/25kΩ
    Frequency Response .....................:  7Hz - 60kHz ± 1dB
    Signal to Noise ratio   MM...............:  86dB
                                       MC...............:  64dB
                                       Line .............:  100dB
    Speaker Impedance : System 1 .....:  4-16Ω per speaker
                                       System 2......:  4-16Ω per speaker
                                       System 1+2 .:  8-16Ω per speaker
    Power Consumption .......................:  250 watts

    Version/Power Requirements
    110/120/220/240 V AC 50-60Hz with Voltage Selector

  • Net weight (2.2 lb = 1 kg)
  • 9 kg / 19 lb 13.2 oz (19.824 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (1983-4 Marantz Catalogue (with Specifications))
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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