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Immersive MA7-200 7-Channel Power Amplifier

by September 09, 2004
Filed under: Amplifiers



MA7-200 Specifications

  • Modular chassis design holds up to seven 200 watt (@8 ohms) mono block power modules.
  • 200 watt power modules feature independent 350VA, low noise toroid power transformers w/ high speed rectifiers and 48,000uF of storage per channel for a 336,000uF total, across seven independent channels.
  • High efficiency Class H power amplifier design, minimizes power losses and allows cool operation.
  • Complementary, discrete power amplifier design incorporating high current, high speed, Toshiba power devices.
  • Truly transparent, integrated soft clip circuitry.
  • Balanced XLR and RCA inputs.
  • Channel status indicators for standby, operate, and fault.
  • THD less than .015%, 20Hz-20kHz with 80kHz measurement bandwidth.
  • DC offset, less than 1mv, servo controlled.
  • Completely Stable into 2 ohm loads.
  • 200 watts/8 ohms - 300 watts/4 ohms - 400 watts/2 ohms *minimum* - seven channels driven, mains limited.
  • Frequency response 20Hz-20kHz +/- 0.1 dB, or 10Hz-100Khz +/- 3dB.
  • Signal to Noise Ratio - 100dB, un-weighted.
  • Input impedance - 20k ohms.
  • Crosstalk between ANY channels - greater than 120dB.
  • Fully protected from all fault conditions with ultra quiet, module mounted, fan assisted cooling for severe duty cycle applications.
  • Soft start circuitry. Silent turn on/off - No audible transients.
  • Signal sensing auto turn on or remote trigger. Soft touch power switch.
  • All aluminum capacitors are premium quality, low ESR, 105°C rated for high reliability and performance.
  • Doubled sided, plate through, glass epoxy, FR4 PCB's used throughout with 2 ounce poured copper on all power sections and ground planes.
  • Modules are designed for field replacement with the removal of four screws.
  • 5RU chassis with floating multi-element, milled aluminum faceplate. Indirect cobalt blue illumination of all controls and main panel.
  • Power consumption during standby - 3 watts or 60 watts at idle.
  • IEC power inlet, 120/230 VAC user configurable on modules.
  • Weight - 115 lbs.
  • Dims: (HxWxD) 7 ¾" x 18 ½" x 19 ¼"
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Gene manages this organization, establishes relations with manufacturers and keeps Audioholics a well oiled machine. His goal is to educate about home theater and develop more standards in the industry to eliminate consumer confusion clouded by industry snake oil.

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