2 reviews

Marantz MM8003

$2,399.00 Released July, 2008

Product Shot 1 The Pros:Lots of power: 140 Watts x 8 channels. 8 x balanced XLR inputs. Gold-plated speaker terminals.

The Marantz MM8003 is an 8-channel power amplifier that can be used on its own or paired with the Marantz AV8003 pre-amp/processor. The MM8003 can produce 140 Watts of high current output from each of its eight channels across the full audio bandwidth (20 Hz - 20 kHz) at 8 Ohms at less than 0.08% THD.

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Product Shot 2 The power supply contains a multiple-secondary transformer rated at 600 VA and 100,000 µF. Each of the 8-inputs include both an XLR balanced input and unbalanced RCA inputs. The speaker terminals are gold-plated 5-way binding posts. For example, the MM8003 can be used to drive a 7.1 surround arrangement, or can power up to 4 rooms of stereo output.


  • 8 x channel multi-channel power amplifier
  • power: 140W x 8ch (8 ohms) Power Amplifiers
  • inputs: 8 x balanced XLR + 8 x unbalanced RCA
  • output stages mount on an extruded aluminum "thermal tunnel" for efficient heat dissipation
  • Low Impedance Continuous Drive Capability
  • Current Feedback Amplifier Circuit
  • Massive Toroidal Power Transformer
  • Slow Start to Power On
  • 8ch XLR Input Terminals
  • DC Trigger Control Inputs, DC Power Status
    Outputs, IR Flasher Input Terminals
  • Output Channel Relay On/Off Control
    by Remote Signal (to Multi Zone Use)
  • Copper Plated Chassis
  • Gold Plated Speaker Terminals
  • Marantz Designed Storage Capacitors for Quick
    Response to Rapidly Varying Sources
  • New Clean Design Front Panel

User Reviews (2)

Add Pros & Cons
  • 2

    Lots of power: 140 Watts x 8 channels

  • 1

    8 x balanced XLR inputs

  • 1

    Gold-plated speaker terminals

  • 1

    Slow-start power mode to prevent surge of current


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