Digital Monitoring Amplifier Quarter A AVSS PM-64II (Mk2)

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1987
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 309024

 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
  • 200 W (220 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Digital Monitoring Amplifier Quarter A AVSS PM-64II - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 416 x 146 x 334 mm / 16.4 x 5.7 x 13.1 inch
  • Notes

  • A 2 x 100 watt integrated stereo amplifier which operates in Class A mode at normal listening levels and switches automatically to Class AB mode to handle high peaks and at high listening levels. It also has AVSS (Automatic Voltage Shift Supply), a circuit which enables the amplifier to respond instantaneously to the power demands of the wide dynamic range typical of digital recordings. Inputs for Phono (MM or MC), CD, Tuner, TV/Aux1, Video/Aux2, input/outputs for 2 Tape recorders and terminals for two pairs of loudspeakers. On the front, push buttons for Power, Speakers (1, 2), Tone Defeat, Tape Copy, Tape Monitor, MM/MC Phono, Loudness, Mono, CD/Phono Direct, rotary controls for Left and Right Treble, Left and Right Bass, Volume, Balance, rotary switches for Selector (CD, Phono, Tuner, TV/Aux1, Video/Aux2), and Rec Out (CD, Phono, Tuner, Source, TV/Aux1, Video/Aux2). Jack for headphones.

    Specification
    Power Output per channel .............:  100 watts rms into 8Ω
     (20Hz-20kHz)                                 :  105 watts rms into 4Ω
    Total Harmonic Distortion at 8Ω .....:  0.02%
    Intermodulation Distortion ..............:  0.02%
    Damping Factor 8Ω (1 kHz) ...........:  100
    Input Sensitivity/Impedance :
                                       MM ..............:  2.5mV/47kΩ
                                       MC ..............:  250µV/100Ω
                                       Line .............:  150mV/20kΩ
    Frequency Response .....................:  10Hz - 70kHz +0dB, -1dB
    Signal to Noise ratio   MM...............:  86dB (IEC A weighted)
                                       Line .............:  96dB (IEC A weighted)
    Power Consumption .......................:  380 watts max

    Version Suffix/Power Requirements

    •     A       240 V AC 50/60Hz (220/240 V AC 50/60Hz Voltage Selector)
    •     C       120 V AC 60 Hz
    •     U       120 V AC 60 Hz
    •     N       220 V AC 50/60Hz (220/240 V AC 50/60Hz Voltage Selector)
    •     T       240 V AC 50/60Hz (220/240 V AC 50/60Hz Voltage Selector)
    •     E       220-240 V AC 50/60Hz (110/120/220/240 V AC 50/60Hz Voltage Selector)

    Other badged variants of the Marantz PM-64II include the Marantz Digital Monitoring Amplifier Quarter A 35th Anniversary Series model and the Marantz Integrated Amplifier Quarter A LDPS Linear Drive Power Supply model. See also the earlier Marantz PM-64 Digital Monitoring Amplifier PM-64 AVSS model.

  • Net weight (2.2 lb = 1 kg)
  • 12.5 kg / 27 lb 8.5 oz (27.533 lb)
  • Mentioned in
  • - - Manufacturers Literature (1987 Marantz Catalogue (Germany))
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual for the Marantz PM-54II/PM-64II Stereo Amplifier)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Handbook of Instruction PM-64II Digital Monitoring Amplifier)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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