McIntosh MA6900 Integrated Amplifier (Sec Hand)


Out of stock

  -Fantastic secondhand condition-

-Original packaging-

-Recently serviced-

      -Pick up Christchurch Only-  

Power Output   Minimum sine wave continuous average power output per channel, all channels operating is:

  • 200 watts into 2 ohm load
  • 200 watts into 4 ohm load
  • 200 watts into 8 ohm load

Rated Power Band

  • 20Hz to 20,000Hz

Total Harmonic Distortion

  • Maximum Total Harmonic Distortion at any power level from 250 milliwatts to rated power output is: 0.005% for 2, 4 or 8 ohm loads

Dynamic Headroom

  • 2.4dB

Frequency Response

  • +0, -0.5dB from 20Hz to 20,000Hz +0, -3dB from 10Hz to 100,000Hz


  • Phono, 2.5mV for 2.5V rated output (0.5mV IHF)
  • High Level, 250mV for 2.5V rated output (50mV IHF)
  • Power Amplifier Input, 2.5V for rated output

Signal To Noise Ratio (A Weighted)

  • 90dB (84dB IHF) below 10mV input, Phono Input 100dB (90dB IHF) below rated output, High Level 110dB below rated output, Power Amplifier

Intermodulation Distortion

  • Maximum Intermodulation Distortion if instantaneous peak output per channel does not exceed twice the rated output, for any combination of frequencies from 20Hz to 20,000Hz, with all channels operating is: 0.005% for 2, 4 or 8 ohm loads

Input Impedance

  • Phono, 47K ohms, 65pF High Level, 22K ohms Maximum Input Signal
  • Phono, 90mV High Level, 8V

Preamplifier Maximum Voltage Output

  • Phono, 8V at tape output
  • High Level, 8V at tape output
  • Main Out, 8V at preamp output

Voltage Gain

  • High Level to Tape: 0dB High Level to Main: 20dB

Wide Band Damping Factor

  • Greater than 40

Power Requirements

  • 50/60Hz at 2.35 Amps 240 Volts, 50/60Hz at 2.25 Amps
  • Note: Refer to the rear panel of the MA6900 for the correct voltage.

Overall Dimensions

44.45cm wide, 18.10cm high. Depth behind front mounting panel is 41.91cm.

Clearance required in front of the Front Panel is 2.54cm for knobs.

Weight   33.8 Kg net

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