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Ashly nXp1.54 Network 4-Channel Output Power Amplifier w/ Protea DSP

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SKU:AsnXp1.54MFR #:nXp1.54
Product Highlights
  • Programmable output on each channel
  • Power saving, Energy Management System
  • Front panel power switch & level controls
  • Neutrik Combo XLR: 1/4" TRS jack
  • Euroblock input connectors
  • Rear panel DIP switches per channel
  • Ethernet port & Serial data port
  • Switch mode power supply
  • Extensive protection circuitry
  • Multiple independent internal power supplies
  • Uses Protea software
  • Preset recall & detachable AC mains connector
  • Auxiliary preamp & fault condition logic outputs
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  • Overview
  • Features
  • Specifications

Ashly nXp1.54 Network 4-Channel Output Power Amplifier w/ Protea DSP

The nXp1.54 Network Power Amplifier from Ashly Audio is the networkable version of the nX amplifier. The nXp1.54 features Protea DSP (Digital Sound Processing). 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.

The Ashly nXp1.54 Programmable Output Power Amplifier 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 nXp1.54 amplifier draws less than 1W. 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 Network Power Amplifier adds 32-bit SHARC DSP processing (with 48 kHz and 96 kHz sampling) as standard equipment for comprehensive audio processing, with built-in signal generator for test tone, and noise-masking. Plus, you get precision load impedance monitoring on each amplifier channel output.

  • 4-channel high-output, lightweight amplifier with programmable output on each channel 1
  • Power saving, Energy Management System (Ashly EMS) automatic <1W sleep mode is defeatable 2
  • Front panel power switch and level controls can be disabled for security 3
  • 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
  • Remote DC level control on each input channel
  • Ethernet port for use with control and monitoring of amplifier functions, with front panel COM activity LED
  • Neutrik powerCON detachable AC mains connector
  • Switch mode power supply automatically detects 120 or 240 VAC operation
  • Extensive protection circuitry, continuously variable cooling fans
  • Multiple independent internal power supplies provide increased channel separation and reliability
  • 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
  • Dynamics, gain, equalization, 2x4 or 4x4 matrix mixer, crossover, delay, metering, and signal generator functions for test and noise masking applications
  • Precision swept load impedance monitoring of each amplifier channel for quick and easy diagnosis of sound system problems remotely via Ethernet
Specifications
Number of Channels 4
Voltage Gain Selectable at 26 dB, 32 dB, 38 dB, or 1.4 V
Damping Factor >250 (8 O load <1 kHz)
Filter Input High Pass Filter: 80 Hz 2nd order
Distortion <0.5% SMPTE, typical
<0.5% THD-N, typical (8 O, 10 dB below rated power, 20 Hz to 20 kHz)
Channel Separation -75 dB (dB from full output, 1 kHz)

 

Signal / Noise
20 Hz to 20 kHz, un-weighted
>114 dB (all 3.0x models)
Frequency Response 20 Hz to 20 kHz, ±0.05 dB
Connector Balanced Input Connector: Euroblock 3.5 mm, 1/4" TRS and XLR combo jack

 

Input Impedance 10 kO
Maximum Input Level +21 dBu
Speaker Output Connector: Neutrik & speakON
Network Control Network: Compatible with standard 100 MB Ethernet
AUX Outputs Connector: Balanced Euroblock 3.5 mm
Maximum Output: 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
Data Data Connection: Euroblock 3.5 mm - Gnd, +18 V, In, Out
Level Control Remote DC: Euroblock 3.5 mm - Gnd, CV, V+ per input
Attenuation Front panel, software, offset link group, and remote per channel
fully off = mute
Amplifier Amplifier Protection: Inrush current limitation, temperature monitoring, output over-power protection, mains fuses
Power At 50 Hz
Nominal (Automatic Sensing SMPS): 120 VAC
Operating Range: 70 to 135 VAC
Minimum Power-Up: 85 VAC

At 60 Hz
Nominal (Automatic Sensing SMPS): 240 VAC
Operating Range: 140 to 270 VAC
Minimum Power-Up: 170 VAC

Connector Power Cable Connector: 20 A powerCON
Output For Maximum Output Power Per Channel, EIAJ Test Standard, 1 kHz, 20 Hz to 20 kHz, 1% THD & Low Z Output:

2 O: 1,500 W
4 O: 1,500 W
8 O: 1,250 W

For Low Z output, Bridge Mode, 20 Hz to 20 kHz & 1% THD:
4 O: 3,000 W

For Output Per Channel:
70 V: 1,500 W
100 V: 1,250 W

Power Draw Sleep Mode: < 1 W
Standby Mode: 40 W
Idle (No Signal): 55 W
Current Draw

Maximum for all Channels Driven:

For 120 VAC
Typical: 8.0 A

For 240 VAC
Typical: 4.0 A

Dissipation Thermal Dissipation: <br> Sleep Mode: <3.4 BTU/hr <br>
Standby Mode: 136 BTU/hr<br>

Idle (no signal): 187 BTU/hr<br>

Typical (1 / 8 Max Power): 850 BTU/hr

Compressor Threshold: -20 to 20 dBu
Ratio: 1.2:1 to infinite
Attack: 0.2 to 50 ms
Release: 5 to 1000 ms/dB
Detectors: Peak / average
Attenuation: 2 available
Metering: In, out, attenuation, graphical
Controls Level Target Level: -40 to 20 dBu
Action Type: Gentle, normal, aggressive, user defined
Maximum Gain: 0 to 22 dB
Metering: Input, gain, attenuation
Ratio: 1.2:1 to 10:1
Threshold: -30 to 0 dB
Gain: 5 to 1000 ms/dB
Hold: 0 to 6 seconds
Noise Characteristics

Gain:
Maximum: -20 to 20 dB
Minimum Base: -40 to 20 dB
Gain Adjustment Range:
0.2 to 20 s/dB
Groups Link Groups:
16 available
Input Channels ANC:
1 to 2 or 1 to 4
Threshold Range Noise:
-40 to 20 dBu
Ratio:
Program/Ambient Gain: 0.3:1 to 3:1
Metering: Input level, attenuation, average noise
Ducking:
Trigger Threshold: -80 to 20 dBu
Ducking Release: 5 to 1000 ms/dB
Ducking Depth: 0 to -30 dB, -8
Enable Ducking at Matrix Mixer: Yes
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
Processor Input Source Protea DSP
Limiter Brick Wall Limiter: Threshold: -20 to 20 dBu
Ratio: Infinite
Attack: 0.2 to 50 ms/dB
Release: 5 to 1000 ms/dB
Control Advanced Gate Controls: Key Engage Enable: Yes
Key Frequency: 20 Hz to 20 kHz
Key Bandwidth: 0.016 to 3.995 octave
Processor 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 -8
WR-5 (neWR-5) Remote Gain: 0 to -50 dB, mute
Crossover 2 Way, 3 Way, 4 Way Crossover & High Pass / Low Pass Filters
Bessel & Butterworth Filters: 12 / 18 / 24 / 48 dB/octave
Linkwitz-Riley Filter: 12 / 24 / 48 dB / octave
Frequency: Off, 20 Hz to 20 kHz
Delay Sampling Rate: At 48kHz (Input Time, Distance & Temperature)
Speaker Delay: 0 to 21 ms
Delay: 0 to 682 ms At 96 kHz (Input Time, Distance & Temperature)
Speaker Delay: 0 to 10.6 ms
Delay: 0 to 341 ms
Audio Metering Range: -60 to 20 dBu
Increments: 1 dB
Peak Hold Indicator: Yes
Signal Generator Pink Noise, White Noise, Sine Wave
Signal Level: Off, -50 to 20 dBu
Sine Wave Frequency: 20 Hz to12 kHz
Processor Input A/D, Output D/A: 24 bit
DSP Processors: 32-bit floating point
Sample Rates: 48 kHz, 96 kHz
Propagation Delay @ 48 kHz: 1.42 ms
Propagation Delay @ 96 kHz: 0.71 ms
Mixer Gain (0.5 dB Increments): Off, -50 to 12dB
Mute: Per channel
Auto-mixer Enabled: Per channel
Global Auto-mixer Response: 0.01 to 2 sec
Enable Ducking at Mixer: Yes
Ducking LED: Per channel if enabled Metering: Level, auto-mixer level
Filters Number: 12 In/Out per filter: Yes
Lock per filter and global lock: Yes
Filter Modes: Float, Restricted, Manual
Filter Type: Notch, Parametric
Filter Frequency Range: 20 Hz to 20 kHz
Notch Filter: -8
Parametric Filter: 15 dB to -30 dB
Filter Bandwidth: 0.016 to 3.995 octave
Detector Sensitivity: 5 levels
Float Time: 5 minutes to 24 hours 5
Please Note:

Only available with 48 kHz sampling rate
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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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