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.
The contents of this manual apply to the latest specifications as of the printing date. Since Yamaha makes continuous improvements to the product, this man-
ual may not apply to the specifications of your particular product. To obtain the latest manual, access the Yamaha website then download the manual file.
Since specifications, equipment or separately sold accessories may not be the same in every locale, please check with your Yamaha dealer.
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
20 channels: Mono [MIC/LINE]: 12, Mono/Stereo [MIC/LINE]: 2, Stereo [LINE]: 2
Output Channels
STEREO OUT: 2, PHONES: 1, MONITOR OUT: 1, AUX SEND: 4, GROUP OUT: 4
Bus
STEREO: 1, GROUP: 4, AUX: 4 (MG20XU: incl. FX)
Input Channel Function
PAD
CH 1 – CH 12
26 dB
HPF
CH 1 – CH 12,
CH 13/14 (MIC) –
CH 19/20 (MIC)
80 Hz, 12 dB/oct
COMP
CH 1 – CH 8
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 12
HIGH: Gain: +15 dB/-15 dB, Frequency: 10 kHz shelving
MID:
Gain: +15 dB/-15 dB, Frequency: 250 Hz to 5 kHz peaking
LOW: Gain: +15 dB/-15 dB, Frequency: 100 Hz shelving
CH 13/14 –
CH 19/20
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
PEAK LED
CH 1 – CH 19/20
LED turns on when post EQ signal reaches 3 dB below clipping level.
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 (MG20XU)
SPX Algorithm
24 programs, PARAMETER control: 1, FOOT SW: 1 (FX RTN CH on/off)
USB Audio (MG20XU)
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
36 W
Dimensions (W × H × D)
444 mm × 130 mm × 500 mm (17.5" × 5.1" × 19.7")
Net Weight
MG20XU: 7.1 kg (15.7 lbs), MG20: 6.9 kg (15.2 lbs)
Included Accessory
AC Power Cord, Rack-Mount Kit, CUBASE AI DOWNLOAD INFORMATION (MG20XU),
Owner’s Manual, Technical Specifications (this leaflet)
Optional Accessory
Foot Switch: FC5 (MG20XU)
Operating Temperature
0 to +40 °C
Analog Input Characteristics
0 dBu = 0.775 Vrms
*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
Analog Output Characteristics
0 dBu = 0.775 Vrms
*3 1 = GND, 2 = HOT, 3 = COLD
*5 Tip = HOT, Ring = COLD, Sleeve = GND
Digital Input / Output Characteristics (MG20XU)
Input Jack
PAD
26 dB
GAIN Trim
Position
Actual Load
Impedance
For Use with
Nominal
Input Level
Connector
Sensitivity
*1
Nominal
Max. Before Clip
MIC/LINE
1 - 12
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)
Combo jack
*2
(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)
MIC
13/14 - 19/20
—
+64 dB
3 kΩ
50–600 Ω Mic
-80 dBu
(0.077 mV)
-60 dBu
(0.775 mV)
-40 dBu
(7.75 mV)
XLR-3-31
*3
(Balanced)
+20 dB
-36 dBu
(12.3 mV)
-16 dBu
(122.8 mV)
-6 dBu
(388.2 mV)
LINE
13/14, 15/16
—
+38 dB
10 kΩ
600 Ω Lines
-54 dBu
(1.55 mV)
-34 dBu
(15.46 mV)
-14 dBu
(154.6 mV)
Phone jack
*4
(Unbalanced)
-6 dB
-10 dBu
(245 mV)
+10 dBu
(2.451 V)
+30 dBu
(24.51 V)
LINE
17/18, 19/20
—
+38 dB
10 kΩ
600 Ω Lines
-54 dBu
(1.55 mV)
-34 dBu
(15.46 mV)
-14 dBu
(154.6 mV)
RCA pin
(Unbalanced)
-6 dB
-10 dBu
(245 mV)
+10 dBu
(2.451 V)
+30 dBu
(24.51 V)
Output Terminal
Actual Source
Impedance
For Use with Nominal
Output Level
Connector
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
*3
Phone jack
*5
(Balanced)
MONITOR OUT [L, R]
GROUP OUT [1 - 4]
AUX SEND [1 - 4]
150 Ω
10 kΩ Lines
+4 dBu (1.228 V)
+20 dBu (7.750 V)
Phone jack
*5
(Impedance Balanced)
PHONES
110 Ω
40 Ω Phones
3 mW + 3 mW
100 mW + 100 mW
Stereo phone jack
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
ZK26480
Technical Specifications
