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ZT57320 Analog Input Characteristics 0 dBu = 0.775 Vrms Input Jack PAD 26 dB GAIN Trim Position Actual Load Impedance For Use with Nominal +64 dB OFF Technical Specifications +20 dB MIC/LINE 1-4 50–600 Ω Mics/Lines 3 kΩ +38 dB ON -6 dB General Specifications MIC 5/6, 7/8 0 dBu = 0.775 Vrms, Output impedance of signal generator (Rs) = 150 Ω All level controls are nominal if not specified. Frequency Response Input to STEREO OUT +0.5 dB/-1.5 dB (20 Hz to 48 kHz), refer to the nominal output level @ 1 kHz, GAIN knob: Min Total Harmonic Distortion (THD+N) Input to STEREO OUT 0.03 % @ +14 dBu (20 Hz to 20 kHz), GAIN knob: Min 0.005 % @ +24 dBu (1 kHz), GAIN knob: Min Hum & Noise *1 (20 Hz to 20 kHz) Equivalent Input Noise -128 dBu (Mono Input Channel, Rs: 150 Ω, GAIN knob: Max) Residual Output Noise -102 dBu (STEREO OUT, STEREO master fader: Min) Crosstalk(1 kHz) *2 -78 dB Input Channels 12 channels: Mono [MIC/LINE]: 4, Mono/Stereo [MIC/LINE]: 2, Stereo [LINE]: 2 Output Channels STEREO OUT: 2, PHONES: 1, MONITOR OUT: 1, AUX SEND: 2, GROUP OUT: 2 Bus STEREO : 1, GROUP: 2, AUX: 2 (MG12XU: incl. FX) Input Channel Function PAD CH 1 – CH 4 26 dB HPF CH 1 – CH 4, CH 5/6 (MIC), CH 7/8 (MIC) 80 Hz, 12 dB/oct COMP CH 1 – CH 4 1 knob compressor (Gain/Threshold/Ratio) Threshold: +22 dBu to -8 dBu, Ratio: 1:1 to 4:1, Output level: 0 dB to 7 dB, Attack time: approx. 25 msec, Release time: approx. 300 msec EQ STEREO OUT [L, R] 75 Ω Pre Monitor LEVEL 2 × 12 -segment LED meter [PEAK, +10, +6, +3, 0, -3, -6, -10, -15, -20, -25, -30 dB] Built-in Effect (MG12XU) SPX Algorithm 24 programs, PARAMETER control: 1, FOOT SW: 1 (FX RTN CH on/off) PHONES USB Audio (MG12XU) 2 IN / 2 OUT USB Audio Class 2.0 compliant, Sampling Frequency: Max 192 kHz, Bit Depth: 24-bit 308 mm × 118 mm × 422 mm (12.1" × 4.6" × 16.6") Net Weight MG12XU: 4.2 kg (9.3 lbs), MG12: 4.0 kg (8.8 lbs) Included Accessory AC Power Cord, CUBASE AI DOWNLOAD INFORMATION (MG12XU), Owner’s Manual, Technical Specifications (this leaflet) Optional Accessory Rack-Mount Kit: RK-MG12, Foot Switch: FC5 (MG12XU) Operating Temperature 0 to +40 °C The contents of this manual apply to the latest specifications as of the publishing date. To obtain the latest manual, access the Yamaha website then download the manual file. 600 Ω Lines For Use with Nominal Level Meter Dimensions (W × H × D) — Actual Source Impedance LED turns on when post EQ signal reaches 3 dB below clipping level. 22 W 10 kΩ -6 dB Max. Before Clip -80 dBu (0.077 mV) -60 dBu (0.775 mV) -40 dBu (7.75 mV) -36 dBu (12.3 mV) -16 dBu (122.8 mV) +4 dBu (1.228 V) -54 dBu (1.55 mV) -34 dBu (15.46 mV) -14 dBu (154.6 mV) -10 dBu (245 mV) +10 dBu (2.451 V) +30 dBu (24.51 V) -80 dBu (0.077 mV) -60 dBu (0.775 mV) -40 dBu (7.75 mV) -36 dBu (12.3 mV) -16 dBu (122.8 mV) -6 dBu (388.2 mV) -54 dBu (1.55 mV) -34 dBu (15.46 mV) -14 dBu (154.6 mV) -10 dBu (245 mV) +10 dBu (2.451 V) +30 dBu (24.51 V) -30 dBu (24.5 mV) -10 dBu (245 mV) +10 dBu (2.45 V) Connector Combo jack *2 (Balanced) XLR-3-31 *3 (Balanced) Phone jack *4 (Unbalanced) Phone jack *4 RCA pin (Unbalanced) 0 dBu = 0.775 Vrms CH 1 – CH 7/8 AC 100-240 V, 50 Hz/60 Hz 600 Ω Lines Nominal Analog Output Characteristics HIGH: Gain: +15 dB/-15 dB, Frequency: 10 kHz shelving LOW: Gain: +15 dB/-15 dB, Frequency: 100 Hz shelving Power Consumption 10 kΩ Sensitivity *1 *1 Sensitivity is the lowest level that will produce an output of +4 dBu (1.228 V) or the nominal output level when the unit is set to maximum gain. (All level controls are at their maximum position.) *2 1&Sleeve = GND, 2&Tip = HOT, 3&Ring = COLD *3 1 = GND, 2 = HOT, 3 = COLD *4 Tip = Signal, Sleeve = GND CH 9/10, CH 11/12 *1 Noise is measured with A-weighting filter. *2 Crosstalk is measured with 1 kHz band pass filter. 1 — Output Terminal Power Requirements 3 kΩ +38 dB LINE 9/10, 11/12 HIGH: Gain: +15 dB/-15 dB, Frequency: 10 kHz shelving MID: Gain: +15 dB/-15 dB, Frequency: 2.5 kHz peaking LOW: Gain: +15 dB/-15 dB, Frequency: 100 Hz shelving +48 V 50–600 Ω Mics +20 dB — CH 1 – CH 7/8 Phantom Power Voltage — LINE 5/6, 7/8 MONITOR OUT [L, R] GROUP OUT [1, 2] AUX SEND [1, 2] PEAK LED +64 dB Input Level Output Level Connector Nominal Max. Before Clip 600 Ω Lines +4 dBu (1.228 V) +24 dBu (12.28 V) XLR-3-32 *3 Phone jack *5 (Balanced) 150 Ω 10 kΩ Lines +4 dBu (1.228 V) +20 dBu (7.750 V) Phone jack *5 (Impedance Balanced) 110 Ω 40 Ω Phones 3 mW + 3 mW 100 mW + 100 mW Stereo phone jack *3 1 = GND, 2 = HOT, 3 = COLD *5 Tip = HOT, Ring = COLD, Sleeve = GND Digital Input / Output Characteristics (MG12XU) Terminal Format Data Length Sampling Frequency Connector USB USB Audio Class 2.0 16-bit/24-bit 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz USB Standard-B  Block and Level Diagrams Dimensions STEREO OUT L MONO CH INPUT (MIC/LINE) STEREO OUT R 115 308 118 MONO/ST CH INPUT GROUP OUT 1 GROUP OUT 2 SEND AUX1 SEND AUX2 422 416 ST CH INPUT PHONES USB MONITOR OUT L MONITOR OUT R Digital EFFECT Unit: mm This illustration shows the MG12XU. MONO CH INPUT MONO/ST CH INPUT ST CH INPUT Manual Development Group © 2014 Yamaha Corporation Published 08/2016 POLE*.*-01E0 Printed in Malaysia 2