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The NXE Series 4-Channel Networkable Multi-Mode Power Amplifier from Ashly comes pre-installed with OPDAC4 internal 4-Channel DAC with selectable HPF and OPDante Dante Network Audio Interface cards. The OPDante card enables access to digital audio networks at low latencies (83.3 μs) over fast Ethernet. It can be installed in the rear card slot of NXE series amplifiers. Signal can be routed from other Dante enabled devices by simply connecting a Cat5e or Cat6 cable to the card's primary or secondary (redundant) Ethernet ports. The amplifier is capable of driving 2 Ohms loads at full power and offers a maximum rated output power of 400W per channel at Low Z and 70V, and 100V modes. In addition, the amplifier is suitable for use in performance venues, stadiums, arenas, convention centers as well as schools, store fronts, and places of worship.
The multi-mode amplifier features an automatic but defeatable sleep mode consuming <1W, and instant standby mode controlled by contact closure or software. A switch mode power supply can auto-detect 120 or 240 VAC mains, and a Neutrik powerCON is used for the AC cord. Each channel features a selectable output mode of Low Z, 70V, or 100V, an 80 Hz high-pass filter, input limiter, and input gain settings of 26 dB, 32 dB, 38 dB, or 1.4V. Each channel comes with a remote DC level control.
The amplifier comes with Neutrik XLR/TRS combo jack and Euroblock input connectors and Neutrik speakON output connectors. The unit features a front panel power switch and level controls that can be disabled. The LEDs indicate Protect, Sleep, Disabled, Com, and Bridge mode status, as well as Temperature, Output Current, Output Signal, and Clipping/Mute status per channel. In addition, the power amplifier features an Ethernet control with a real-time clock for event scheduling.
The power amplifier is equipped with serial data remote control, aux preamp outputs, preset control, and fault condition logic outputs. It also features a temperature dependent variable speed forced-air cooling. In addition, the amplifier can be mounted on a standard 19” rack.
Ashly NXE4004 Specs
| Channels | 4 |
| Maximum Output Power | Max Output Power Per Channel, Low Impedance Output, All Channels Driven 2 Ohms: 400 W, 4 Ohms: 400 W, 8 Ohms: 400 W Low Impedance Output, Bridge Mode, All Channels Driven 4 Ohms: 800 W 8 Ohms: 800 W 70 V, 100 V Output, All Channels Driven 70 V (per channel): 400 W 100 V (per channel): 400 W |
| Power Draw | Total Power Draw All Channels Driven Sleep Mode: <1 W Standby Mode: 40 W Idle (no signal): 70 W |
| Current Draw | Current Draw 120 VAC Mains (divide in half for 240 V) Sleep Mode: 0.1 A Standby Mode: 0.7 A Idle (no signal): 1.3 A Maximum Current Draw All Channels Driven, Divide by 2 for 240 VAC 1/8 Maximum Power @ 2 Ohms: 5 A |
| Dissipation | Thermal Dissipation BTU/hr, Total for All Channels Driven Sleep Mode: <3.4 Standby Mode: 136 BTU/hr Idle (no signal): 238 BTU/hr 1/8 Maximum Power @ 2 Ohms: 595 BTU/hr |
| Voltage Gain | Selectable at 26 dB, 32 dB, 38 dB, or 1.4 V |
| Damping Factor | >250 (8 Ohms load <1 kHz) |
| High Pass Filter | Input: 80 Hz 2nd order |
| Distortion | SMPTE, typical: <0.5% THD-N, typical: <0.5% (8 Ohms, 10 dB below rated power, 20 Hz to 20 kHz) |
| Channel Separation | -75 dB (dB from full output, 1 kHz) |
| Signal-to-Noise Ratio | 20 Hz to 20 kHz, Unweighted: >105 dB |
| Frequency Response | 20 Hz to 20 kHz, +/-0.05 dB |
| Input Connector | Balanced: Euroblock 3.5 mm, 1/4" TRS and XLR combo jack |
| Input Impedance | 10 kOhms |
| Maximum Input Level | +21 dBu |
| Output Connector | Speaker: Neutrik speakON AUX: Balanced Euroblock 3.5 mm |
| Network | Control Network: Compatible with standard 100 MB Ethernet |
| Aux Output Level | Maximum: +21 dBu |
| Contact Closure | Remote Standby: Euroblock 3.5 mm, close contact to GND for standby mode Preset Recall: Euroblock 3.5 mm, close contact to GND for preset 1-4 recall |
| Supported Data Connections | Euroblock 3.5 mm - Gnd, +18 V, In, Out |
| Logic Output | Fault Condition: Euroblock 3.5 mm - 4 available |
| Level Control | Remote DC: Euroblock 3.5 mm - Gnd, CV, V+ per input |
| Active Attenuators | Per Channel: Front panel, software, offset link group, and remote Fully Off: Mute |
| Amplifier Protection | Inrush current limitation, temperature monitoring, output over-power protection, mains fuses |
| Cooling | Continuously variable temperature controlled axial fan(s) |
| Environmental | 32 to 113°F (0 to 45°C) (non-condensing) |
| Front Panel LED Indicators | POWER (white): Switch: On, Off, Standby (flashing) PROTECT (red): On (fault condition or shut down), Off SLEEP (blue): On, amplifier is asleep from audio inactivity DISABLE (yellow): On, power switch & front panel attenuators are disabled Per Channel CLIP/MUTE (red): Clip @ 1 dB below full output / Mute SIGNAL (green): -18 dB below rated output CURRENT (green): Proportional to output TEMP (yellow): On dim at 90% max operating temperature, full bright + protect at 100% BRIDGE (green): On, Off |
| Power Requirements | @ 50/60 Hz Nominal (Automatic Sensing SMPS): 120 to 240 VAC Operating Range: 70 to 135 VAC to 140 to 270 VAC Minimum Power-Up: 85 to 170 VAC Power Cable Connector: 20 A powerCON |
| Compliance | cTUVus, CE, FCC, RoHS |
| Dimensions | 19 x 3.5 x 16.84 (483 x 89 x 428 mm) |
| Weight | 25.9 lb (11.7 kg) |