• Country
• United States of America (USA)

• Manufacturer / Brand
• Marantz (Sound United LLC); Vista, CA

• Year
• 1993

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 309026

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

• 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 230 or 240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 200 W (290 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Integrated Stereo Amplifier PM-80mkII 74PM80 /20B /21B /22B /21G /22G - Marantz Sound United LLC;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 420 x 146 x 334 mm / 16.5 x 5.7 x 13.1 inch

• Notes

• A 2 x 100 watt stereo integrated amplifier which operates in Class A up to 25 watts and then switches automatically into Class AB at higher power output. On the rear, input RCA sockets for Phono (MM, MC and selector button), CD, Tuner and Aux1, input/output RCA sockets for Tape recorder and DCC (Digital Compact Cassette) recorder, terminals for two pairs of loudspeakers (System 1, System 2) and the /21 suffixed model has switched and unswitched AC Outlets. On the front, push buttons for Power, Muting, Speakers (1, 2), Class A, Source Direct, Subsonic filter and Mono, rotary controls for Bass, Treble, Volume and Balance, rotary switches for Input Selector (Phono, CD, Aux, DCC, Tape) and Rec Selector (Tape Copy, Tape > DCC, DCC > Tape, Off, Source). Jack for headphones.

  Specification
  Power Output per channel .............:  100 watts rms into 8Ω (25 watts Class A)
   (20Hz-20kHz)                                 :  145 watts rms into 4Ω
  Total Harmonic Distortion at 8Ω .....:  0.006%
  Intermodulation Distortion ..............:  0.006%
  Damping Factor 8Ω (1 kHz) ...........:  120
  Input Sensitivity/Impedance :
                                     MM ..............:  2.8mV/47kΩ
                                     MC ..............:  220µV/100Ω
                                     Line .............:  170mV/20kΩ
  Frequency Response .....................:  10Hz - 100kHz (-1dB limits)
  Signal to Noise ratio   MM...............:  86dB
                                     MC...............:  70dB
                                     Line .............:  111dB

  Version Suffix/Power Requirements
   /20B              230 V AC 50/60 Hz
   /21B /21G     110/120/220/240 V AC 50/60Hz Voltage Selector
   /22B /22G     230 V AC 50/60 Hz

  See also the earlier Integrated Amplifier PM-80.

• Net weight (2.2 lb = 1 kg)
• 13 kg / 28 lb 10.1 oz (28.634 lb)

• Literature/Schematics (1)
• - - Manufacturers Literature (User Guide for the Marantz PM-80mkII)

• Literature/Schematics (2)
• - - Manufacturers Literature (Service Manual for the Marantz 74 PM80 dated 1993)

• Author
• Model page created by Howard Craven. See "Data change" for further contributors.

• Other Models

• Here you find 568 models, 559 with images and 90 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marantz (Sound United LLC); Vista, CA