User Manual for Ashly nX Series NX4002 2-Channel 400W Power Amplifier with Programmable Outputs Click to enlarge the picture
Contents of the user manual for the Ashly nX Series NX4002 2-Channel 400W
- Product category: Power Amplifiers Ashly
- Brand: Ashly
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Ashly Power Amplifiers
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User manual for the Ashly nX Series NX4002 2-Channel 400W contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Ashly product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Ashly user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Ashly product will considerably shorten its lifespan!
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Product description The nX Series NX4002 2-Channel 400W Power Amplifier with Programmable Outputs 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. The rear panel has DIP switches for programming each channel output for either High-Z or Low-Z operation. - 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
- 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
In the Box Ashly nX Series NX4002 2-Channel 400W Power Amplifier with Programmable Outputs Limited 5-Year Warranty Table of Contents
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Technical parametersAshly NX4002 Specs | | | Voltage Gain | Selectable at 26, 32, or 38 dB, and 1.4 V 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 | | Level Control | Remote DC: 4 x 3.5 mm Euroblock - Gnd, CV, V+ per input | | 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) | | | | 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 AMaximum, All Channels Driven, Typical Input
1/8 Max Power @ 2 Ω): 4.6 A for 120 VAC, 2.3 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 IndicatorsWhite: 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 | | Dimensions (W x H x D) | 19.0 x 3.5 x 16.8" (48.3 x 8.9 x 42.8 cm) | | Weight | 21.5 lb (9.7 kg) | | | | Package Weight | 27.0 lb | | Box Dimensions (LxWxH) | 24.2 x 22.0 x 5.25" |
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