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Nexo NXAMP 4x1C
The primary objective of the strategic alliance created between NEXO and Yamaha in 2005 was to create products that would profoundly elevate system solutions in the sound reinforcement industry. NEXO was seeking a solution that would provide full optimisation and performance of its speaker systems.
Through the combination of NEXO's renowned expertise in producing top-of-the-line sound reinforcement products and Yamaha's internationally acclaimed professional audio division, two years of collaborative research using the latest-generation development and research tools have yielded a major breakthrough in high-powered amplification for both fixed and mobile applications.
The NXAMP 4X1 and 4X4 Powered TDControllers are based on an innovative design that will provide the full integration of speaker and amplifier control with output capacities that will allow end users a cost-effective solution.
The innovative control structure implemented into the NXAMP is via the latest generation of NEXO's TDcontrollers. This full integration of control will provide a safety base and real-time performance that is the first of its kind, having all the parameters controlled by the DSP. This real-time control will offer end users the ability to manage the voltage/current/temperature sense lines from the amplifier's output, protecting both the amplifier and its power supply in real time, while simultaneously offering all control parameters required for the speakers.
POWER SPECIFICATIONS FOR NXAMP 4x1
Number of amplifiers channels 4x channels, 2 by 2 bridgeable
Max. output voltage (no load) 4 x 105Volts
Max. output power (8-ohm) 4 x 600W
Max. output power (4-ohm) 4 x 900W
Max. output power (2-ohm) 4 x 1300W
Power consumption (Standby) 10W
Power consumption (Idle) 100W
Power consumption (1/8 Power) 1100W
COMMON NXAMP SPECIFICATIONS FROM ANALOG IN TO POWER OUT
Analog Inputs channels 4x channels, analogue inputs on XLR 3 with a second XLR 3 for linking
Frequency response ±0.5dB from 10Hz to 20KHz
Input Impedance 20KÙ
Max Input Level +28dBu
Dynamic Range All Channels = 105dB unweighted
THD + Noise Typical 0.1% flat setup
Latency time 500us on a flat setup
Power Supply Dedicated version for 100 ~ 120Volts or 220 ~ 240Volts
NXAMP 4x1 FEATURES
Audio Inputs • 4x balanced analogue inputs on XLR3 with a second XLR3 for linking, using 24bit converters.
4x digital inputs via the optional network card slot at the back.
Power Outputs 4x Speakon outputs using internal power relay for automatic output assignment regarding setup.
RS232 port Allow firmware upgrade for software improvement and new cabinet setups.
GPIO port 5x Global Purpose Inputs and 8x Global Purpose Outputs for simple remote control and monitoring.
Processing Two DSPs, 24bit data with 48bit accumulator. 700MIPS.
Front Panel On/Off Mains switch, Select Wheel, Menu A and Menu B buttons, 40 characters by 2 lines
display. Amp protect, Stand-by and power LED’s. Then for each channel: volume indicator (15x
LEDs), Individual Mute buttons and red LED, output current signal green led, Speaker Protection
yellow LED, Amp. Peak red LED.
Rear Panel 1 (NXAMP4x1) mains socket; RS232 serial communications connector;
GPIO port, Expansion slot for networking audio extension card, 4 XLR inputs with link and 4
Speakon 4 outputs.
Dimensions & Weight NXAMP4x1: 3U 19” Rack - 457 mm (18”) Depth - 16.5kg (33lbs) net
NXAMP USER CONTROLS
System Selection Allows control across all NEXO ranges.
System Set-up Within the selected range, if possible, allows cabinets to be set for passive or active mode, wideband
or crossover mode, choose among available crossover point, cardioid or supercardioid mode.
Protection Multiple Peak Limiters fitted for both selected cabinet and amplifier. Multiple Acceleration,
Displacement and Temperature protections on every channel. Inter-channel regulation.
Delay Up to 150m (330 ft.) of delay in 10cm (.4in ) steps
Input Patching Allows any of the 4x analogue (or digital) inputs combination to be routed on each output.
Output Gain Global and inter-channel gain ±6dB in 0.5dB steps.
Volume control Each channel with 16x steps from – inf dB to 0dB.
Save/Recall Set-up Stores up to 40x user set-ups; On- the-fly recall, without mute or glitches for instant
Array EQ LF or HF shelving filters to compensate ground or stacking effects, ±6dB, frequency factory tuned.
Security Mode Password protected for Read-Only or Remote-Only Mode.
Remote control Full remote control via the Ethersound protocol and ESmonitor software.
Certification UL, SEMKO (CE), CCC, KOREA, TSS, PSE
Green status Compliant with ROHS and WEEE directive