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General Specifications
0 dBu = 0.775 Vrms, Output impedance of signal generator (Rs) = 150 Ω
All level controls are nominal if not specified.
*1 Noise is measured with A-weighting filter.
*2 Crosstalk is measured with 1 kHz band pass filter.
Specifications and descriptions in this document are for information purposes only. Yamaha Corp. reserves the right to change or
modify products or specifications at any time without prior notice. Since specifications, equipment or options may not be the same in every locale, please
check with your Yamaha dealer.
European Models
Inrush Current based on EN 55103-1:2009
3.0 A (on initial switch-on)
2.0 A (after a supply interruption of 5s)
Conforms to Environments: E1, E2, E3 and E4
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 Mono [MIC/LINE]: 4, Mono/Stereo [MIC/LINE]: 2, Stereo [LINE]: 2
Output channels STEREO OUT: 2, MONITOR OUT: 1, PHONES: 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 7/8 80 Hz, 12 dB/oct (Mono/Stereo: MIC only)
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 CH 1 – CH 11/12 HIGH: Gain: +15 dB/-15 dB, Frequency: 10 kHz shelving
CH 1 – CH 7/8 MID: Gain: +15 dB/-15 dB, Frequency: 2.5 kHz peaking
CH 1 – CH 11/12 LOW: Gain: +15 dB/-15 dB, Frequency: 100 Hz shelving
PEAK LED CH 1 – CH 7/8 LED turns on when post EQ signal reaches 3 dB below clipping (+17 dBu)
Level Meter 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)
USB Audio (MG12XU) 2 IN / 2 OUT USB Audio Class 2.0 compliant, Sampling Frequency: Max 192 kHz, Bit Depth: 24-bit
Phantom Power Voltage +48 V
Power Requirements AC 100-240 V, 50 Hz/60 Hz
Power Consumption 22 W
Dimensions (W × H × D) 308 mm × 118 mm × 422 mm (9.6" × 2.8" × 11.6")
Net Weight MG12XU: 4.2 kg (9.3 lbs.), MG12: 4.0 kg (8.8 lbs.)
Included Accessory Owner’s Manual, Technical Specifications, Cubase AI Download Information (MG12XU only)
Optional Accessory Rack-mount kit: RK-MG12, Foot Switch: FC-5
Operating Temperature 0 to +40 °C
Analog Input Characteristics
0 dBu is referenced to 0.775 Vrms.
*1 Sensitivity is the lowest level that will produce an output of +4dBu (1.228V) or the nominal output level when the unit is set to maximum gain.
(All level controls are maximum position.)
*2 1/Sleeve=GND, 2/Tip=HOT, 3/Ring=COLD
*3 Tip=HOT, Ring=COLD, Sleeve=GND
*4 Tip=Signal, Ring=GND, Sleeve=GND
Analog Output Characteristics
0 dBu is referenced to 0.775 Vrms.
*2 1/Sleeve=GND, 2/Tip=HOT, 3/Ring=COLD
*3 Tip=HOT, Ring=COLD, Sleeve=GND
*5 Tip=LEFT, Ring=RIGHT, Sleeve=GND
Digital Input / Output Characteristics (MG12XU)
*1 Data length depends on the particular audio format being used. USB Audio Class 2.0: 16-bit/24-bit, Yamaha Steinberg USB Driver: 24-bit
Input Terminals
PAD
26dB
GAIN
Trim
Actual
Load
Impedance
For Use
With
Nominal
Input level
Jack
Balanced /
Unbalanced
Sensitivity
*1
Nominal
Max.
before clip
CH INPUT 1–4
OFF
+64 dB
3 kΩ
50–600 Ω
Mics/Lines
-80 dBu
(0.077 mV)
-60 dBu
(0.775 mV)
-40 dBu
(7.75 mV)
XLR-3-31
*2
TRS PHONE
(6.3 mm)
*3
Combo type
Balanced
+20 dB
-36 dBu
(12.3 mV)
-16 dBu
(122.8 mV)
+4 dBu
(1.228 V)
ON
+38 dB
-54 dBu
(1.55 mV)
-34 dBu
(15.46 mV)
-14 dBu
(154.6 mV)
-6 dB
-10 dBu
(245 mV)
+10 dBu
(2.451 V)
+30 dBu
(24.51 V)
CH INPUT 5/6, 7/8 — —
3 kΩ
50–600 Ω
Mics
-80 dBu
(0.077 mV)
-60 dBu
(0.775 mV)
-40 dBu
(7.75 mV)
XLR-3-31
*2
XLR-3-31:
Balanced
10 kΩ
600 Ω
Lines
-54 dBu
(1.55 mV)
-34 dBu
(15.46 mV)
-14 dBu
(154.6 mV)
TRS PHONE
(6.3 mm)
*4
TRS PHONE:
Unbalanced
CH INPUT 9/10, 11/12 — — 10 kΩ
600 Ω
Lines
-30 dBu
(24.5 mV)
-10 dBu
(245 mV)
+10 dBu
(2.45 V)
TRS PHONE
(6.3 mm)
*4
RCA PIN
TRS PHONE:
Unbalanced
RCA PIN:
Unbalanced
Output Terminals
Actual Source
Impedance
For Use
With Nominal
Output level
Jack
Balanced / Unbalanced /
Impedance Balanced
— Nominal
Max.
before clip
STEREO OUT L, R 75 Ω 600 Ω Lines —
+4 dBu
(1.228 V)
+24 dBu
(12.28 V)
XLR-3-32
*2
TRS PHONE(6.3 mm)
*3
Balanced
MONITOR OUT L, R
GROUP OUT 1–2
AUX SEND 1–2
150 Ω 10 kΩ Lines —
+4 dBu
(1.228 V)
+20 dBu
(7.750 V)
TRS PHONE(6.3 mm)
*3
Impedance
Balanced
PHONES L, R 110 Ω 40 Ω Lines —
3 mW +
3 mW
100 mW +
100 mW
TRS PHONE(6.3 mm)
*5
—
Terminals Format Data length
*1
Fs Connector
USB
USB Audio Class 2.0/
Yamaha Steinberg USB Driver
16-bit/24-bit 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz USB Standard-B
ZJ73180
Technical Specifications