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Ashly nXe1.54 Network Four-Channel Output Power Amplifier w/ Ethernet

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SKU:AsnXe1.54MFR #:nXe1.54
Product Highlights
  • Programmable output on each channel
  • Hi-Z or Lo-Z, selected via rear panel DIP switches
  • Power-saving, Energy Management System
  • Front panel power switch and level controls
  • Neutrik Combo XLR - 1/4" TRS jack
  • Euroblock input connectors
  • Ethernet port  and serial data port
  • Programmable power-on delay
  • Preset recall & front panel LEDs
  • Auxiliary preamp & fault condition logic outputs
  • Ducking at mixer, peak hold indicator, in/out per filter, key engage, lock per filter, and global lock
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  • Overview
  • Features
  • Specifications

Ashly nXe1.54 Network Four-Channel Output Power Amplifier w/ Ethernet

The NXE1.54 Network Power Amplifier from Ashly Audio is the networkable version of the nX amplifier. It comes with Ethernet control, serial data control, aux preamp outputs, instant standby mode, preset recall, fault condition logic outputs, and optional network audio and digital audio capability. All these are controlled using Ashly Audio's Protea software suite. This amplifier is designed to meet the most demanding live sound and fixed installation sound systems in stadiums, arenas, performance venues, worship spaces, and convention centers.

The NXE1.54 features lightweight, energy efficient Class D switching amplifier technology combined with a switch mode power supply.Use rear panel DIP switches to program each channel output for either High-Z (70V or 100V Constant Voltage) or Low-Z (stable down to 2 Ohms) operation. When in Sleep Mode, the nX amplifiers draw less than 1 Watt.

  • 4-channel high-output, lightweight amplifier with programmable output on each channel (Hi-Z or Lo-Z, selected via rear panel DIP switches)
  • Power-saving, Energy Management System
  • Front panel power switch and level controls (can be disabled for security)
  • Front panel LEDs for temperature, current, signal, clip, mute, bridge mode, protect, sleep, and disable (of front panel controls)
  • Neutrik Combo XLR - 1/4" TRS jack plus Euroblock input connectors
  • Neutrik speakON twist locking loudspeaker connectors for security, safety, and reliability
  • Rear panel DIP switches per channel for selection of high pass filter, limiter, input gain, and High-Z or Low-Z speaker output configuration
  • Ethernet port for use with control and monitoring of amplifier functions, with front panel COM activity LED
  • Serial data port for use with Ashly remote control devices, or RS-232 converter (sold separately) for third party controllers (INA-1)
  • Uses Protea software to remotely disable all front panel controls, including the on/off switch, for a tamper-proof installation
  • Real-time clock with event scheduler
  • Instant standby mode, 30% reduction in power consumption with on/off triggered by contact closure, software control, or event scheduler
  • Programmable power-on delay
  • Preset recall via contact closure, software control, remote control, or event scheduler
  • Auxiliary preamplifier outputs and fault condition logic outputs
  • Cobranet or Dante network audio (sold separately) and AES3 digital audio input with pass-through
  • Ducking at mixer, peak hold indicator, in/out per filter, key engage, lock per filter, and global lock
Number of Channels 4
Maximum Output Power Max Output Power Per Channel, EIAJ Test Standard
2 O: 1,500 W, 4 O: 1,500 W , 8 O: 1,250 W

Low Z output, Bridge Mode, 20Hz to 20kHz, 1%THD, All Channels Driven
4 O: 3,000 W

70 V, 100 V Output, All Channels Driven
70 V (per channel): 1,500 W
100 V (per channel): 1,250 W

Power Draw Sleep Mode: < 1 W
Standby Mode: 40 W
Idle (no signal): 55 W
Current 120 VAC Mains (Divide by 2 for 240 V)
Sleep Mode: 0.1 A
Standby Mode: 0.70 A
Idle (no signal): 1.00 A

Maximum Current Draw All Channels Driven, Divide by 2 for 240VAC
Typical: 8.0 A

Dissipation Thermal (All Channels Driven)
Sleep Mode: < 3.4 BTU/hr
Standby Mode: 136 BTU/hr
Idle (no signal): 187 BTU/hr
Typical (1/8 maximum power): 850 BTU/hr
Power Requirements
Power Requirements (@ 50/60Hz)

Nominal (Automatic Sensing SMPS)@ 50 Hz
Nominal (Automatic Sensing SMPS): 120 VAC
Operating Range: 70 to 135 VAC
Minimum Power-Up: 85 VAC

Power Requirements @ 60Hz

Nominal (Automatic Sensing SMPS): 240 VAC
Operating Range: 140 to 270 VAC
170 VAC

Power Connector
Power Cable Connector: 20 A powerCON
Input Source Input Source Select Options (Protea DSP): Analog, Auto (Net, AES3, Analog)
Limiter Brick Wall Limiter (Protea DSP)

Threshold: -20 to +20 dBu
Ratio: Infinite
Attack: 0.2 to 50 ms/dB
Release: 5 to 1000 ms/dB

Compressor Threshold: -20 to +20 dBu
Ratio: 1.2:1 to infinite
Attack: 0.2 to 50 ms
Release: 5 to 1000 ms/dB
Detector: Peak / average
Attenuation Bus: 2 available
Metering: In, out, attenuation, graphical
Control Autoleveler Controls

Target Level: -40 to +20 dBu
Action: Gentle, normal, aggressive, user defined
Maximum Gain: 0 to +22 dB
Metering: Input, Gain, Attenuation
Ratio: 1.2:1 to 10:1
Threshold Below Target: -30 to 0 dB
Gain Increase/Decrease Rate: 5 to 1000 ms/dB
Hold Time: 0 to 6 s

Noise Ambient Noise Compensation: Output Only

Max Gain: -20 to +20 dB
Min/Base Gain: -40 to +20 dB
Gain Change Rate: 0.2 to 20 s/dB
Link Group: 16 available
ANC Input Channel: 1 to 2 or 1 to 4
Noise Threshold: -40 to +20 dBu
Program/Ambient Gain Ratio: 0.3:1 to 3:1
Metering: Input level, Attenuation, Average noise

Ducking Ducking: High/Low Priority, Trigger, Filibuster, Ducked Program

Trigger Threshold: -80 to +20 dBu
Ducking Release: 5 to 1000 ms / dB
Ducking Depth: 0 to -30 dB, -infinity
Metering: Input

Gate Threshold: -80 to +20 dBu
Range: off, 100 to 0 dB
Attack: 0.2 to 50 ms/dB
Release: 5 to 1000 ms/dB
Metering: Key signal, Gate LED, graphical

Advanced Gate Controls

Key Frequency: 20 Hz to 20 kHz
Key Bandwidth: 0.016 to 3.995 octave

Gain Gain (with/without VCA): -50 to +12 dB, off, polarity invert
Digital VCA Groups: 4 available
Remote RD8C Gain: Enable per channel, 0 dB to -infinity
WR-5 (neWR-5) Remote Gain: 0 to -50 dB, mute
Audio Metering Range: -60 to +20 dBu
Increments: 1 dB
Signal Level: Off, -50 to +20 dBu
Sine Wave Frequency: 20 Hz to 12 kHz
Matrix Type Matrix Mixer

Gain (0.5dB increments): Off, -50 to +12 dB
Mute: Per channel
Auto-mixer Enabled: Per channel
Global Auto-mixer Response: 0.01 to 2 sec
Ducking LED: Per channel if enabled
Metering: Level, auto-mixer level

Processor Input A/D, Output D/A: 24-bit
DSP Processors: 32-bit floating point
Sample Rates: 48, 96 kHz
Propagation Delay @ 48kHz: 1.42 ms
Propagation Delay @ 96kHz: 0.71 ms
Cooling Continuously variable temperature controlled axial fan(s)
Environmental 32 to 113°F (0 to 45°C) non condensing
Dimensions (W x H x D) 19.0 x 3.5 x 16.8" (482.6 x 88.9 x 426.7 mm)
Weight < 28.0 lb (12.7 kg)
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# of Ratings: 0
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