User Manual

TechnicalSpecifications
164
MA2120 Setup Guide
Electrical Characteristics
Amplifier type (Output circuitry) Class D
THD+N LINE IN to SPEAKER OUT,
Half power@1kHz
AMP MODE = 3Ω, 4Ω, 8Ω
≤ 0.2%
LINE IN to SPEAKER OUT,
Half power@1kHz
AMP MODE = 70V, 100V/120W
≤ 0.2%
LINE IN to SPEAKER OUT,
Half power@1kHz
AMP MODE = 70V, 100V/200W
≤ 0.2%
Frequency Response LINE IN to SPEAKER OUT,
50Hz to 20kHz@1W
AMP MODE = 3Ω, 4Ω, 8Ω
0dB, -3.0dB, +1.0dB
LINE IN to SPEAKER OUT,
90Hz to 20kHz@1W
AMP MODE = 70V, 100V/120W
0dB, -3.0dB, +1.0dB
LINE IN to SPEAKER OUT,
90Hz to 20kHz@1W
AMP MODE = 70V, 100V/200W
0dB, -3.0dB, +1.0dB
LINE IN to LINE OUT,
20Hz-20kHz
0dB, -2.5dB, +1.0dB
Crosstalk MIC/LINE IN to other MIC/LINE IN ≤ -70dB
Load Protection POWER/STANDBY SW on/off Mute the output
Output Voltage Protection Compress output voltage when needed
DC-fault Power Supply shutdown
Amplifier Protection Thermal
Limit output
→ Mute → Shutdown
Over current Mute the output (with automatic restoration)
Integrated Power Limit Compress output
Power Supply Protection Thermal Power supply shutdown
Over voltage Power supply shutdown
Over current
Limit power
→ Power supply shutdown
Cooling Conventional cooling, bottom to up airflow
Controls Front Panel POWER/STANDBY SW,
INPUT volume x 8,
SETUP encoder x 1
OUTPUT volume x 2,
BASS EQ volume x 2,
TREBLE EQ volume x 2
Rear Panel SETUP DIP SW x1,
SPEAKER A/B DIP SW x2,
ROUTE SW x4,
GAIN SW x3,
MODE SW x1
Connectors Analog In (MIC/LINE) 3.5mm Euro Block 6pin x3 (Rear)
Analog In (LINE) MONO RCA PIN x4 (Rear),
STEREO RCA PIN x2 (Rear),
3.5mm STEREO mini phone x1 (Front)
Analog Out MONO RCA PIN x2 (Rear/LINE OUT)
Speakers 7.62mm BARRIER STRIP 4pin x1 (Rear)
Remote RJ45 x1 (Rear/DCP),
3.5mm Euro Block 3pin x1 (Rear/REMOTE)
Indicators POWER x1 (Green/Orange),
INPUT SIGNAL x8 (Green),
INPUT PEAK x8 (Red),
SETUP x3 (Green),
OUTPUT SIGNAL x2 (Green),
OUTPUT LIMIT x2 (Red)
AC Power Requirement 100V, 120V, 230V-240V 50Hz/60Hz (*1)
*1 It has confirmed that it is working with ±10%
of the voltage of the rated supply voltage.