Overview
Lo-Z/Hi-Z switchable Class-D mixer amplifier that provide a smart and
simple solution.
Power Amplifier MA2120
Features
• Easy setup, and a user-friendly interface for effortless operation
• Supporting Lo-Z (120W x 2ch @4Ω or 100W x 2ch @3Ω/8Ω) and Hi-Z (120W x 2ch or 200W x 1ch, 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
• Space-saving 1U rack size (*sufficient space must be provided above and below the unit for airflow and cooling.)
Technical Data Sheet
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Power Amplifier MA2120
Specifications
General Specifications
Output Power 8Ω 100W x 2
(1kHz Non-clip 20msec 4Ω 120W x 2
Burst Both Channels Driven) 3Ω 100W x 2
100V Line 120W x 2 or 200W x 1
70V Line 120W x 2 or 200W x 1
Total Harmonic Distortion ≤0.2% (Line in to Speaker out, Half power @1kHz, 3Ω /4Ω/8Ω),
≤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, 3Ω/4Ω /8Ω),
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 3.5mm Euroblock (6-pin, balanced) x 3
Line Input 3.5mm Euroblock (6-pin, balanced) x 3
Line Out MONO RCA pin x2 (unbalanced)
Speaker Output Barrier strip x 2 pairs
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 ( V XS: 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
Amplifier Protection Thermal: Limit the output* → Mute* → Shutdown, Over current: Mute the output*,
Integrated power limit: Compress the output*
Power Supply Protection Thermal: Power supply shutdown, Over voltage: Power supply shutdown,
Over current: Limit the output* → Power supply shutdown
Cooling Conventional cooling, bottom to up airflow
Power Requirements 100V, 120V, 230V-240V, 50Hz/60Hz
Power Consumption 60W (1/8 max power, 4Ω, AC100V, pink noise at all channels)
Dimensions ( W x H x D) 480mm x 45mm x 379mm (18.9" x 1.8" x 14.9")
incl. knobs, rubber feet and rack-mounting ears
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
Certificate ENERGY STAR
Options DCP4V4S, DCP1V4S, DCP4S (Digital Control Panel)
Others Operating Temperature: 0°C to + 40°C, Storage Temperature: -20°C to + 60°C,
Rack-mountable when ensuring sufficient ventilation above and below the unit
* Restored automatically
Technical Data Sheet
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Dimensions
44 (1.7)
45.1 (1.8)
430 (16.9)
361.8 (14.2)
379.4 (14.9)
Power Amplifier MA2120
Unit: mm (inch)
Options
• Digital Control Panel DCP1V4S
• Digital Control Panel DCP4V4S
• Digital Control Panel DCP4S
480 (18.9)
Technical Data Sheet
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Power Amplifier MA2120
Architectural and Engineering Specifications
The two-channel power amplifier shall use digital class-D circuit and provide two channels of amplification. The amplifier shall meet the following
performance criteria. Power output shall be a 100W into 8 ohms, 120W into 4 ohms, 100W into 3 ohms, and 120W or 200W into a high
impedance (70V/100V) load. In the case 200W into high impedance load, only one output available. The power amplifier shall be capable of
operation between 100V and 240V at 50Hz or 60Hz. Total harmonic distortion (THD+N) shall be less than 0.2% at 1kHz, half power (8Ω/4Ω/3Ω),
and 0.2% at 1kHz, 120W/200W (70V/100V). Frequency response shall be from 50Hz to 20kHz, 0dB/-2.5dB/+1.0dB at 1W into 8Ω/4Ω/3Ω, 8Ω and
shall be from 90Hz to 20kHz, 0dB/-3.0dB/+1.0dB at 1W into 70V/100V. Cross talk shall be less than -70dB from MIC/LINE input to other MIC/
LINE input. The built in processors shall have speaker EQ, HPF, and LPF. Input shall be electronically balanced, with a minimum impedance of
20k ohm balanced and 10k ohm unbalanced. The built in protection circuitry shall monitor below,
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)
The amplifier shall employ conventional cooling, bottom to up airflow The front panel shall have a recessed standby/on switch, and a LED
indicator. The front-panel shall have 2 volume knobs (one per ch), 8 input level knobs and set up knobs. The front-panel shall have an Aux-input.
The front-panel shall have 2 BASS and 2 TREBLE controls. Rear panel input connectors shall be a Euroblock, for 1-6 channel. Rear panel input
connectors shall be a RCA type, for 7-8 channel. Rear panel mono sum input connectors shall be a RCA type, for 5-6 channel. Rear panel
speaker output connectors shall be a Barrier strips for each channel. Rear panel line output connectors shall be a RCA type. Rear panel control
ports connectors shall be a RJ45. It shall use only one standard rack-spaces and its dimensions shall be 480 mm W x 379mm D x 45 mm H
(18.9" x 14.9" x 1.8"). Weight shall be 4.9 kg (10.8 lbs). The amplifier shall be certified ENERGY STAR. The amplifier shall be YAMAHA MA2120.
Technical Data Sheet
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Block Diagrams
Power Amplifier MA2120
INPUT 8
DCP
REMOTE
STANDBY
LOGIC
R
CHIME
CONTROL
GAIN
INPUT 7
L/R
LRL
R
L
STEREO
STEREO
BA
SUM
VOLUME
VOLUME
INPUT
INPUT
ADC
ADC
SIGNAL/PEAK
SIGNAL/PEAK
CH8
CH7
STEREO
STEREO
MONO
MONO
LEVELER
LEVELER
ENHANCER
ENHANCER
INPUT EQ
INPUT EQ
TREBLE
TREBLE
BASS
BASS
VOLUME
VOLUME
DCP
DCP
INPUT 5
INPUT 6
PHANTOM
+24V
HA
HA
MIC
LINE
SUM
SUM
VOLUME
VOLUME
INPUT
INPUT
ADC
ADC
SIGNAL/PEAK
CH5
CH6
MIC
LINE
MIC
LINE
120Hz
120Hz
HPF
HPF
NOISE
NOISE
GATE
GATE
COMP
COMP
SUPPRESSOR
SUPPRESSOR
FEEDBACK
FEEDBACK
INPUT EQ
INPUT EQ
TREBLE
TREBLE
BASS
BASS
VOLUME
VOLUME
DCP
DCP
INPUT 3
INPUT 4
HA
HA
MIC
LINE
VOLUME
VOLUME
INPUT
INPUT
ADC
ADC
SIGNAL/PEAK
SIGNAL/PEAK
CH4
LINE
MIC
LINE
120Hz
120Hz
HPF
NOISE
GATE
GATE
COMP
COMP
SUPPRESSOR
SUPPRESSOR
FEEDBACK
INPUT EQ
INPUT EQ
TREBLE
TREBLE
BASS
BASS
REVERB
VOLUME
VOLUME
DCP
INPUT 1
INPUT 2
HA
HA
PHANTOM
+24V
VOLUME
SIGNAL/PEAK
CH3
CH1, CH3 (PRIORITY CH1 > CH3)
DUCKER TRIGGER SOURCE
MIC
HPF
NOISE
FEEDBACK
BASS
ECHO
DCP
PHANTOM
+24V
MIC
LINE
VOLUME
INPUT
INPUT
ADC
ADC
SIGNAL/PEAK
SIGNAL/PEAK
DSP PROCESS
CH1
CH2
MIC
LINE
MIC
LINE
120Hz
120Hz
HPF
HPF
NOISE
NOISE
GATE
GATE
COMP
COMP
SUPPRESSOR
SUPPRESSOR
FEEDBACK
FEEDBACK
INPUT EQ
INPUT EQ
TREBLE
TREBLE
BASS
REVERB
ECHO
VOLUME
VOLUME
DCP
DCP
BUS
A
BUS
B
DUCKER
ON
OFF
INDIVIDUAL
SPEAKER+LINE OUT
A-B
VOLUME
LINK
DCP
VOLUME
TEMP
AMP PROTECTION LOGIC
VOLTAGE
OUTPUT
LIMITER
INTEGRAL
OUTPUT
POWER
AMP PROTECTION HARDWARE
DC-FAULT
SUPPLY
POWER
CURRENT
OUTPUT
AMP
*All information subject to change without notice.
*All trademarks and registered trademarks are property of their respective owners.
Created in October, 2017
VOLUME
VOLUME
B
DCP
LINE
BADAC
LINE OUT
MUTE
VOLUME
DCP
40Hz
OUTPUT
80Hz
HPF
Lo-Z
Hi-Z
VXS10S(T)
LPF 150Hz
LPF 200Hz
HPF150Hz
SURFACE
SPEAKER
CEILING
OFF
EQ
OUTPUT
TREBLE
BASS
EQ
VOLUME
OUTPUT
A
LIMITER
LIMIT
SIGNAL
B
B: No output
LIMIT SIGNAL
DAC
SELECTION
FORMAT
OUTPUT
100V
70V
8
4
3
ENABLE
AMP
A
SPEAKERS
100W/8
[ AMP MODE ]
120W/70V
120W/4
100W/3
120W/100V
ENABLE
AMP
A
SPEAKERS
[ AMP MODE ]
200W/100V
200W/70V
HPF
Hi-Z
VOLUME
OUTPUT
SELECTION
FORMAT
LINE OUT
VOLUME
DCP
80Hz
40Hz
Lo-Z
VXS10S(T)
LPF 150Hz
LPF 200Hz
HPF150Hz
SURFACE
SPEAKER
CEILING
OFF
EQ
OUTPUT
TREBLE
BASS
EQ
B
SPEAKER-LINE
VOLUME LINK
LIMITER
DAC
100V
70V
8
4
3
ENABLE
AMP
DISABLE
AMP
VOLUME
DCP
SPEAKER-LINE
VOLUME LINK
VOLUME
LINE
DAC
BA
A
Technical Data Sheet
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