Yamaha MA2120 Switchable Class-D Mixer Amplifier

Lo-Z/Hi-Z switchable Class-D mixer amplifier (Lo-Z: 120W x2 @4, 100W x2ch @3/8,?Hi-Z: 120W x2ch or 200W x1ch, 70V/100V) equipped with 6 mic/line inputs, 2 stereo inputs and powerful DSP functions for high quality music playback and microphone use.

Key Features

• Easy setup, and a user-friendly interface for effortless operation
• Supporting Lo-Z (120W x2ch @4 or 100W x2ch @3/8) and Hi-Z (120W x2ch or 200W x1ch, 70V/100V) speaker systems
• Flexible 6 mic/line inputs and 2 stereo inputs, with all 6 mic inputs featuring a 24V settings
• DSP functions for music playback and microphone use (Feedback Suppressor, Priority Ducker, Leveler, Compressor, Reverb & Echo)
• Bass and treble stereo source EQ with an enhancer function
• Output EQ for optimizing the sound of each Output channel
• Built-in speaker EQ optimum for Yamaha VXC/VXS series speakers, as well as HPF and selectable LPF settings
• Capable of controlling sources and volumes seperately in two areas (Source/volume zoning)
• Service areas or zoning areas can be expanded by adding a PA2120
• Remote volume control and microphone on/off switching via optional DCP control panels (DCP4V4S, DCP1V4S, DCP4S, max 2 units)
• Intelligent protection function ensures safe, reliable operation
• Certified by ENERGY STAR
• Certified as Yamaha Eco Products
• Space-saving 1U rack size (*sufficient space must be provided above and below the unit for airflow and cooling.)

Technical Specifications

Output power
1kHz (THD+N=1%: 3)
100W x 2 (20ms Burst)
1kHz (THD+N=1%: 4)
120W x 2 (20ms Burst)
1kHz (THD+N=1%: 8)
100W x 2 (20ms Burst)
High impedance: 100V line
120W x 2 or 200W x 1
High impedance: 70V line
120W x 2 or 200W x 1
Total harmonic distortion
0.2% (Line in to Speaker out, Half power @1kHz, 3/4/8), 0.2% (Line in to Speaker out, Half Power @1kHz, 70V/100V, 120W/200W)
Frequency response
0dB, -2.5dB, +1.0dB (Line in to Line out, 20Hz to 20kHz), 0dB, -3.0dB, +1.0dB (Line in to Speaker out, 50Hz to 20kHz, 1W, 3/4/8), 0dB, -3.0dB, +1.0dB (Line in to Speaker out, 90Hz to 20kHz, 1W, 70V/100V, 120W/200W)
Crosstalk
-70dB (MIC/LINE input to other MIC/LINE input)
I/O Connectors
Mic/Line Input
Input 1-6: 3.5mm Euroblock (6-pin, balanced) x 3
Line Input
Input 1-6: 3.5mm Euroblock (6-pin, balanced) x 3
Speaker Output
Barrier strip x 2 pairs
Line Out
LINE OUT: MONO RCA pin x2 (unbalanced)
Control ports
RJ-45 (for DCP4V4S, DCP1V4S , DCP4S), Remote (3.5mm Euro block 3-pin)
Input Level
Mic input: -56dBu (Sensitivity), -36dBu (Nominal), -8dBu (Max before clip) / Line input (unbalanced): -30dBV (Sensitivity), -10dBV (Nominal), +10dBV (Max before clip) / Line input (balanced): -24dBu (Sensitivity), -4dBu (Nominal), +24dBu (Max before clip)
Output Level
-10dBV (LINE OUT, Nominal)
Processors
Speaker EQ (VXS:Full Range, VXC, VXS10S/ST), HPF (150Hz), LPF (150Hz, 200Hz)
Protection circuit
Load protection Power switch on/off: Mute the output*, Output voltage protection: Compress the output*, DC-fault: Power supply shutdown (*Restored automatically)
Amplifier protection
Thermal: Limit the output* Mute* Shutdown, Over current: Mute the output*, Integrated power limit: Compress the output* (*Restored automatically)
Power supply protection
Thermal: Power supply shutdown, Over voltage: Power supply shutdown, Over current: Limit the output* Power supply shutdown (*Restored automatically)
Amplifier class
Class D
Cooling
Conventional cooling, bottom to up airflow
Power requirements
100V, 120V, 230V - 240V, 50Hz / 60Hz
Power consumption
60W (1/8 max power, 4, AC100V, pink noise at all channels)
Dimensions
W
480mm (18.9”) *1
H
45mm (1.8”) *1
D
379mm (14.9”) *1
Net weight
4.9kg (10.8lbs)
Accessories
AC power cable, 3.5mm Euroblock plug (6-pin) x 3, Euroblock pulg (3-pin) x 1, Owner's manual, Setup guide