Item #1568632 Model #MG12X CV

Yamaha MG12X CV 12-Input 4-Bus Mixer With Effects Standard


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12 inputs, SPX FX processor with 24 programs and 2 channels of 1-knob compression—all in a rugged chassis.

Housed in a rugged steel chassis, the MG12X CV can accommodate up to 12 inputs and offers a balanced stereo output. Featuring D-Pre discrete Class-A microphone preamplifiers for pristine sound, it includes AUX busses for the built-in SPX effect with 24 presets and another for monitoring. Four channels of single-knob compression are available.

The MG12X can accept XLR, 1/4” phone and RCA-type pin jack inputs, and offers XLR and phone outputs. The MG12X offers faders, and lit channel on/off switches for easy visual indication of settings. A footswitch input allows hands-free effect muting. The MG12X CV can be rackmounted with the optional RK-MG12 rackmount kit.
  • Frequency response input to STEREO OUT: +0.5dB/-1.5dB (20Hz to 48kHz), refer to the nominal output level @ 1kHz, GAIN knob set to min
  • Total Harmonic Distortion (THD+N) input to STEREO OUT: 0.03 % @ +14dBu (20Hz to 20kHz), GAIN knob set to min
  • Crosstalk (1kHz): -78dB
  • Hum and Noise (20Hz to 20kHz)
  • Equivalent Input Noise: Crosstalk (1kHz)
  • Residual Input Noise: -102dBu (STEREO OUT, STEREO master fader set to min)
Input Channels
  • Mono [MIC/LINE]: 4
  • Mono/Stereo [MIC/LINE]: 2
  • Stereo [LINE]: 2
Output Channels
  • PHONES: 1
  • AUX SEND: 2
  • GROUP OUT: 2
  • STEREO: 1
  • GROUP: 2
  • AUX SEND: 2 (incl. FX)
Input Channel Function
  • Pad (mono): 26dB
  • HPF (mono, mono/stereo): 80Hz, 12dB/oct (mono/stereo: MIC only)
  • COMP (Mono)
  • 1-knob compressor (mono) (Gain/Threshold/Ratio) threshold: +22dBu to -8dBu
  • Ratio: 1:1 to 4:1
  • Output level: 0dB to 7dB
  • Attack time: Approx. 25 msec
  • Release time: Approx. 300 msec
  • EQ
  • High: Gain: +15dB/-15dB, frequency: 10kHz shelving
  • Mid: Gain: +15dB/-15dB, frequency: 2.5kHz peaking
  • Low: Gain: +15dB/-15dB, frequency: 100Hz shelving
  • Peak LED (mono)
  • LED turns on when post-EQ signal reaches 3dB below clipping


  • Phantom power voltage: +48V
  • Power requirements: AC 100–240V, 50/60Hz
  • Power consumption: 22W
  • Pre-monitor level meter: 2 x 12 segment LED meter [PEAK, +10, +6, +3, 0, -3, -6, -10, -15, -20, -25, -30dB]
  • SPX algorithm: 24 programs
  • Dimensions (WxHxD): 12.1" x 4.6" x 16.6"
  • Net weight: 9.3 lb.


  • Rugged, powder-coated steel chassis for superior durability
  • Discrete Class-A microphone preamps
  • Built-in SPX digital effects with 24 programs
  • Switchable +48V phantom power
  • Color-coded controls offer easy operation