Ashly nXp Series NXP4002 2-Channel 400W Power Amplifier with Programmable Outputs & Protea Software Suite

Ashly nXp Series NXP4002 2-Channel 400W Power Amplifier with Programmable Outputs & Protea Software Suite

Ashly nXp Series NXP4002 2-Channel 400W Power Amplifier with Programmable Outputs & Protea Software Suite

B&H # ASNXP4002 MFR # NXP4002
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Ashly NXP4002 overview

  • 1Description

The nXp Series NXP4002 2-Channel 400W Power Amplifier with Programmable Outputs & Protea Software Suite from Ashly is a Class-D switching amplifier combined with a switch mode power supply. This amplifier meets the requirements of demanding live sound and fixed installation sound systems in stadiums, arenas, performance venues, worship spaces, and convention centers.

This amplifier features the Protea DSP processing for efficient control. The rear panel has DIP switches for programming each channel output for either High-Z or Low-Z operation. This amplifier can be connected to a network with Ethernet control and features serial data control, aux preamp outputs, instant standby mode, preset recall, fault condition logic outputs, and optional network audio and digital audio capability, all controlled using the included Protea Software Suite.

The amplifier offers 32-bit SHARC DSP processing (with 48 & 96 kHz sampling) for comprehensive audio processing and built-in signal generator for test tone and noise-masking. It also offers swept load impedance monitoring on each amplifier channel output.

2-Channel high-output amplifier with programmable output on each channel (High-Z or Low-Z, selected via rear panel DIP switches)
Power-saving, Energy Management System with automatic <1W sleep-mode (defeatable)
Front panel power switch and level controls (can be disabled for security)
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
Switch mode power supply automatically detects 120 or 240VAC operation
Extensive protection circuitry and continuously variable cooling fans
Multiple independent internal power supplies provide increased channel separation and reliability
Ethernet port for control and monitoring of amplifier functions, with front panel COM activity LED
Serial data port for use with Ashly remote control devices, or optional RS-232 converter for third party controllers (not included)
Use Protea software to remotely disable all front panel controls, including the on/ off switch, for a tamper-proof installation
Offers 32-bit SHARC DSP processing with 48 & 96 kHz sampling
Built-in signal generator for test tone and noise-masking
Swept load impedance monitoring available on each amplifier channel output
Real-time clock with event scheduler
Instant standby mode that can be triggered by contact closure, software control, or event scheduler for reduced power consumption
Programmable power-on delay
Preset recall via contact closure, software control, remote control, or event scheduler
Aux preamp outputs, and fault condition logic outputs
Optional Cobranet or Dante network audio and AES3 digital audio input with pass-through
Dynamics, gain, equalization, FIR filter ready, 2 x 4 or 4 x 4 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
Neutrik Combo XLR - 1/4" TRS jack plus Euroblock input connectors
Neutrik speakON twist locking loudspeaker connectors for security, safety, and reliability
Neutrik powerCON detachable AC mains connector
Made in USA
In the Box
Ashly nXp Series NXP4002 2-Channel 400W Power Amplifier with Programmable Outputs & Protea Software Suite
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Ashly NXP4002 specs

    Processor
    Input Source Protea DSP Options: Analog, auto (net, AES3, analog)

    All DSP functions can be linked to 1 of 16 link groups

    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
    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 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 Suppressor (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
    Filter FIR Filter: .fir or .csv file types
    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 48 kHz (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
    Signal Generator Pink Noise, White Noise, Sine Wave
    Signal Level: Off, -50 to 20 dBu
    Sine Wave Frequency: 20 Hz to 12 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
    Ducking LED: Per channel if enabled
    Metering: Level, auto-mixer level
    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
    Auto Leveler 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
    Ambient Noise Compensation
    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
    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, -∞
    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
    Power Requirements
    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
    Maximum Output Power Per Channel, Low-Z Output, All Channels Driven
    2/4/8 Ω: 400 W
    Output Low Z Output, Bridge Mode, All Channels Driven: 800 W (4/8 Ω)
    70V, 100V Output, All Channels Driven: 400 W (70/100 V (per channel)
    Power Draw Sleep Mode: < 1 W
    Standby Mode: 25 W
    Idle (No Signal): 40 W

    All Channels Driven

    Current Draw For 120 VAC
    Sleep Mode: 0.1 A
    Standby Mode: 0.38 A
    Idle (No Signal): 0.70 A

    For 240 VAC
    Sleep Mode: 0.05 A
    Standby Mode: 0.19 A
    Idle (No Signal): 0.35 A

    Maximum, All Channels Driven, Typical Input
    1/8 Max Power @ 2 Ω): 2.6 A for 120 VAC, 1.3 A for 240 VAC

    Dissipation Thermal Dissipation: Sleep Mode: <3.4 BTU/hr
    Standby Mode: 85 BTU/hr
    Idle (no signal): 136 BTU/hr
    Typical (1 / 8 Max Power @ 2 Ω): 305 BTU/hr

    All Channels Driven

    LED Indicators Front Panel LED Indicators
    White: Power Switch: On, off, standby (flashing)

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

    Green LED:
    Signal Per Channel: -18 dBu, below rated output
    Bridge Per Channel Pair: On, off
    Com: On, for Ethernet data or device ID
    Current Per Channel: Proportional to output

    Yellow LED:
    Temperature Per Channel: On dim at 90% maximum operating temperature, full bright + protect at 100%
    Sleep: On, amplifier is asleep from audio inactivity
    Disable: On, power switch & front panel attenuators are disabled
    General
    Voltage Gain Selectable at 26, 32, or 38 dB, and 1.4 V defurrbvfubefwzrqsbczewdsrtetav

    0 dBu = 0.775 VRMS

    Damping Factor >250 (8 Ω load <1 kHz)
    Filter Input High Pass Filter: 80 Hz 2nd order
    Distortion <0.5% SMPTE, typical
    <0.5% THD-N, typical (8 Ω, 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
    >105 dB
    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 kΩ
    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 Level: 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
    Outputs Fault Condition Logic Outputs: 4 x 3.5 mm Euroblock
    Attenuation Front panel, software, offset link group, and remote per channel, fully off = mute
    Protection Circuits Inrush current limitation, temperature monitoring, output over-power protection, and mains fuses
    Cooling Continuously variable temperature controlled axial fans
    Environmental Non-condensing 32 to 113°F (0 to 45°C)
    Dimensions (W x H x D) 19.0 x 3.5 x 16.8" (48.3 x 8.9 x 42.8 cm)
    Weight 28.7 lb (13.1 kg)
    Packaging Infodefurrbvfubefwzrqsbczewdsrtetav
    Package Weight 29.0 lb

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