Ashly nXp1.5 2-Channel Multi-Mode Network Power Amplifier with Protea DSP Software Suite & CobraNet Digital Interface

Ashly nXp1.5 2-Channel Multi-Mode Network Power Amplifier with Protea DSP Software Suite & CobraNet Digital Interface

Ashly nXp1.5 2-Channel Multi-Mode Network Power Amplifier with Protea DSP Software Suite & CobraNet Digital Interface

B&H # ASNXP152C MFR # NXP1.52C
Ashly nXp1.5 2-Channel Multi-Mode Network Power Amplifier with Protea DSP Software Suite & CobraNet Digital Interface

Ashly nXp1.5 2-Channel Multi-Mode Network Power Amplifier with Protea DSP Software Suite & CobraNet Digital Interface

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  • 1Description

The lightweight nXp1.5 2-Channel Multi-Mode Network Power Amplifier from Ashly features programmable output on each channel selectable via rear panel DIP switches with swept load impedance monitoring. Audio is processed via the 32-bit SHARC DSP at 48 or 96 kHz sample rates and a built-in signal generator is provided for test tone and noise-masking.

The nXp1.5 amplifier comes pre-installed with CobraNet network audio module and features aux preamp outputs. Ethernet control is supported via the free Protea NE software (downloadable from Ashly's website) and serial data control is possible via Ashly programmable remotes or third party controllers (available separately). The Protea DSP (Digital Signal Processing) software is included for dynamics, gain, equalization, matrix mixer, crossover, delay, and metering.

The amplifier is suitable for live sound and fixed installation sound systems at performance venues, stadiums, arenas, convention centers as well as schools, store fronts, and places of worship.

32-bit SHARC DSP processing at 48 or 96 kHz sample rates
Class-D switching amplifier technology
Selectable 80 Hz Hi-pass filter, limiter, and input gain per channel, via rear panel
Comprehensive software controlled Protea DSP including dynamics, gain, equalization, matrix mixer, crossover, delay, and metering
Precision swept load impedance monitoring of individual amplifier channels for remote diagnosis of speaker problems
Remote iPad control app (available for free) for selecting DSP functions including gain, mute, matrix, A/B source select, PEQ filter level, and meters
Ethernet port for software control and monitoring of amplifier functions, with front panel COM activity LED
Serial data port available for Ashly WR-5 and RD-8C programmable remote control (optional RS-232 converter INA-1 available for third party controllers)
Real-time clock with event scheduler
Assign automatic execution of selected functions and tasks
Event scheduler is programmed using the free Protea NE software and stored in the amplifier
Protea NE software will load a speaker manufacturer's .fir or .csv file for precision tuning
Multi-mode operation-selectable outputs on each channel allow you to choose the desired output mode
Preset recall via contact closure, software control, remote control, or event scheduler
Programmable power-on delay
Remote gain and zone control with neWR-5 and FR-8/FR-16 programmable networked remotes
Aux preamp line outputs for driving other amplifiers
Fault condition logic outputs, assignable
Signal generator function for test and noise masking
Neutrik Combo XLR - 1/4" TRS jack plus Euroblock input connectors
Neutrik speakON twist locking loudspeaker connectors
Neutrik powerCON detachable AC mains connector
Set the DIP-switch configuration for low impedance (2, 4, and 8 Ohms), or constant voltage (70V or 100V)
Remote DC level control per channel
Extensive protection circuitry, continuously variable cooling fans
Power-saving Ashly EMS (Energy Management System) which provides an automatic sleep-mode drawing less than 1W
Multiple internal power supplies-provides increased channel separation and reliability
Instant standby mode, 30% reduction in idle power consumption, triggered by contact closure, software control, or event scheduler
Auto-switching 120 / 240 VAC power supply
cTUVus, CE, FCC, RoHS compliant
In the Box
Ashly nXp1.5 2-Channel Multi-Mode Network Power Amplifier with Protea DSP Software Suite & CobraNet Digital Interface
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description
    Amplifier
    Number of Channels 2
    Voltage Gain Selectable at 26, 32, or 38 dB, or 1.4 V
    Damping Factor >250 (8 Ohms load <1 kHz)
    Filter Input High Pass Filter: 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 >111 dB (20 Hz to 20 kHz, un-weighted)
    Frequency Response 20 Hz to 20 kHz, ±0.05 dB
    Input Impedance 10 kOhms
    Balanced Input Euroblock 3.5 mm, 1/4" TRS and XLR combo jack
    Maximum Input Level +21 dBu
    Speaker Output Neutrik speakON
    Network Controllers Compatible with standard 100 MB Ethernet
    AUX Outputs Balanced Euroblock 3.5 mm
    Maximum Output Level +21 dBu (Aux output)
    Standby Mode Euroblock 3.5 mm, close contact to GND for standby mode
    Preset 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
    Outputs Fault Condition Logic Outputs: 4 / 3.5 mm Euroblock
    Level Control Remote DC Level Control: Euroblock 3.5mm - GND, CV, V+ per input
    Audio Control Module Network Audio via CobraNet digital interface (pre-installed)
    Attenuation Per Channel: Front panel, software, offset link group, and remote
    Fully off = Mute
    Front Panel LED Indicators White LED:
    Power Switch: On, off, flashing (standby mode)

    Red LED:
    Protect: On (fault condition or shut down), Off
    Clip / Mute (Per Channel): Clip @ 1 dB below full output / mute

    Blue LED:
    Sleep Mode: On (when the amplifier is asleep from audio inactivity)

    Yellow LED:
    Disable: On (when the power switch & front panel attenuators are disabled)
    Temperature (Per Channel): On dim at 90% maximum operating temperature, full bright + protect at 100%

    Green LED:
    Com: On, for Ethernet data or device ID
    Signal (Per Channel): -18 dBu, below rated output
    Bridge (Per Channel): On, off
    Current (Per Channel): Proportional to output
    Protection Circuits Inrush current limitation, temperature monitoring, output over-power protection, and mains fuses
    Protea DSP
    Input Source Protea DSP Options: Analog, auto (net, AES3, analog)
    Limiter Brick Wall Limiter
    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
    Controls 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 sec
    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 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, -∞
    Enable ducking at matrix mixer
    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 engage enable
    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 -∞
    WR-5 (neWR-5) Remote Gain: 0 to -50 dB, mute
    EQ Type For FIR Filter
    Output only, 48 kHz only, 2-384 taps
    File Type: .csv, .fir

    For 31-Band
    Filter Type: Constant Q or proportional
    Bandwidth: 0.499 octave to 0.25 octave

    For Parametric 2,4,6, or 10 Band
    Frequency: 20 to 20 kHz
    Level: -30 to 15 dB
    Q Value: 0.016 to 3.995 octave

    For Hi / Low Shelf 6 / 12 dB/octave
    Frequency: 20 Hz to 20 kHz
    Level: -15 to 15 dB

    For All Pass
    Frequency: 20 Hz to 20 kHz

    For Variable Q HP / LP
    Frequency: 20 Hz to 20 kHz
    Q Value: 3.047 to 0.267

    For Notch / Bandpass
    Frequency: 20 Hz to 20 kHz
    Q Value: 92.436 to 0.267
    Feedback 48 kHz Sampling Rate
    12 x filters
    In/Out per filter
    Lock (per filter) and global lock
    Filter Modes: Float, restricted, manual
    Filter Type: Notch, parametric
    Filter Frequency Range: 20 Hz to 20 kHz
    Notch Filter: -∞
    Parametric Filter: 15 to -30 dB
    Filter Bandwidth 0.016 to 3.995 Octave
    Detector Sensitivity: 5 levels
    Float Time 5 minutes to 24 hours
    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 At 48 kHz Sampling Rate (Input Time, Distance & Temperature):
    Speaker Delay: 0 to 21 ms
    Delay: 0 to 682 ms

    At 96 kHz Sampling Rate (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
    Signal Generator Pink Noise, White Noise, Sine Wave
    Signal Level: Off, -50 to 20 dBu
    Sine Wave Frequency: 20 Hz to 12 kHz
    Mixer Matrix Mixer:
    Gain (0.5 dB Increments): Off, -50 to 12 dB
    Mute: Per channel
    Auto-Mixer Enabled: Per channel
    Global Auto-mixer Response: 0.01 to 2 sec
    Enable Ducking at Mixer
    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 kHz, 96 kHz
    Propagation Delay @ 48 kHz: 1.42 ms
    Propagation Delay @ 96 kHz: 0.71 ms
    Power Requirements
    Nominal Automatic Sensing SMPS:
    120 VAC @ 60 Hz
    240 VAC @ 50 Hz
    Operating Range 70 to 135 VAC @ 60 Hz
    140 to 270 VAC @ 50 Hz
    Power Minimum Power-Up:
    85 VAC @ 60 Hz
    170 VAC @ 50 Hz
    Power Cable 20 A powerCON
    Maximum Output Power Per Channel, Low-Z Output, All Channels Driven:
    2 Ohms: 1,500 W
    4 Ohms: 1,500 W
    8 Ohms: 1,250 W
    Low Impedance Bridge Mode (All Channels Driven):
    4 Ohms: 3,000 W
    8 Ohms: 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
    Maximum Current Draw All Channels Driven, Typical Input (1/8 Max Power @ 2 Ohms):
    8 A for 120 VAC
    4 A for 240 VAC
    Current Draw For 120 VAC
    Sleep Mode: 0.1 A
    Standby Mode: 0.7 A
    Idle (No Signal): 1 A

    For 240 VAC
    Sleep Mode: 0.05 A
    Standby Mode: 0.35 A
    Idle (No Signal): 0.5 A
    Dissipation Thermal Dissipation: Sleep Mode: <3.4 BTU/hr
    Standby Mode: 136 BTU/hr
    Idle (No signal): 187 BTU/hr
    Typical (1/8 Max Power @ 2 Ohms): 850 BTU/hr
    General
    Cooling Continuously variable temperature controlled axial fans
    Environmental Non-condensing 32 to 113°F (0 to 45°C)
    Dimensions (W x H x D) 19.00 x 3.50 x 16.84" (483 x 89 x 428 mm)
    Weight 22.7 lb (10.3 kg)

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