Integrated Stereo Amplifier PM-40 74PM40/00B

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1990
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 180820

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

 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) / 220 or 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 86 W (110 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Integrated Stereo Amplifier PM-40 74PM40/00B - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 420 x 118 x 280 mm / 16.5 x 4.6 x 11 inch
  • Notes

  • A 2 x 43 watts integrated stereo amplifier. With defeatable tone controls (Source Direct). Input RCA sockets for Tuner, CD, Phono (MM and MC) and Aux, and input/output RCA sockets for two Tape decks. Terminals for two pairs of loudpeakers (Main, Sub). Jack for headphones.

    Specification
    Power Output per channel FTC :
      43 watts into 8Ω from 40Hz to 20kHz with 0.08% Total Harmonic Distortion or
      55 watts into 4Ω from 40Hz to 20kHz with 0.15% Total Harmonic Distortion
    Total Harmonic Distortion at 8Ω .....:  0.015%
    Intermodulation Distortion at 8Ω ....:  0.015%
    Damping Factor .............................:  100
    Signal to Noise ratio ......................:  87dB (A weighted)
    Input Sensitivity/Impedance MM ...:  2.5mV/47kΩ
                                                 Line ..:  150mV/33kΩ
    Frequency Response Line ............:  10Hz - 60kHz
    Speaker Impedance : Main ...........:  4-16Ω per speaker
                                       Sub ............:  4-16Ω per speaker
                                       Main + Sub :  8-16Ω per speaker
    Power Consumption .....................:  170 watts

    Version/Power Requirements
    220 V AC 50-60Hz (internally adjustable to 240 V)

    See also other Marantz PM-40 74PM40 models and the Marantz PM-40SE Special Edition model.

  • Net weight (2.2 lb = 1 kg)
  • 10 kg / 22 lb 0.4 oz (22.026 lb)
  • Source of data
  • - - Manufacturers Literature
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual for the Marantz PM-40 & PM-40SE dated 1990)
  • Author
  • Model page created by Howard Craven. See "Data change" for further contributors.

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