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Audio Review: Symetrix Automix Matrix 780

Jan 1, 2009 12:00 PM, By John McJunkin

The latest automixer tool in the Integrator Series proves to be a powerful combination.

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  • Company: Symetrix
  • Product: Automix Matrix 780
  • Pros: Powerful routing matrix with extensive DSP and automixing.
  • Cons: None to speak of.
  • Applications: Courtrooms, government chambers, boardrooms, training facilities, and houses of worship.
  • Price: $2,399



  • Impedance: >4kΩ balanced, >2kΩ unbalanced
  • CMRR: >55dB (1kHz, typical)
  • Mic/line gain: +20dB, +40dB, or +50dB via internal jumpers
  • Mic EIN: >-127dB, 22Hz-22kHz (100V source impedance)
  • Mic phantom power: 48VDC


  • Type: Electronically balanced
  • Impedance: 200V balanced, 100V unbalanced
  • Maximum output level: +24dBu


  • Sample rate: 48kHz
  • Dynamic range: >110dB (A-weighted, input to output)
  • THD+N: -85dB typical at +22dBu (1kHz, 0dB gain)
  • Frequency response: 20Hz-20kHz, ±0.5dB
  • Interchannel crosstalk: >-90dB typical (1kHz)

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