User Manual for Ashly NXP75 1U 4-Channel Multi-Mode Network Power Amplifier with Protea DSP Software Suite & Dante Digital Interface Click to enlarge the picture
Contents of the user manual for the Ashly NXP75 1U 4-Channel Multi-Mode Network
- 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 NXP75 1U 4-Channel Multi-Mode Network 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 NXP75 4-Channel Multi-Mode Network Power Amplifier from Ashly is capable of driving 2, 4, and 8 Ohms loads at full power and offers a maximum rated output power of 75W per channel at 25V, 70V, and 100V modes. It comes pre-installed with Dante network audio module, enabling access to digital audio networks at low latencies (83.3 μs) over Gigabit Ethernet. The amplifier features a lightweight 1U design with universal AC input SMPS for improved energy efficiency. It comes with additional energy saving features such as Real-Time Clock (RTC), Event Scheduler, and GPIO control. The multi-mode output capability allows each individual amplifier output channel to be set for Low-Impedance, or Constant Voltage operation using DIP switches. The Protea DSP (Digital Signal Processing) software is included with this unit for dynamics, gain, equalization, matrix mixer, crossover, delay, and metering. With the Euroblock, and IEC connectivity, this power amplifier safely fulfills the requirements for installed sound applications. - Consumes less than 1W in the automatic sleep mode
- Network, Serial, and Logic control via Ashly Network remotes (available separately)
In the Box Ashly NXP75 1U 4-Channel Multi-Mode Network Power Amplifier with Protea DSP Software Suite & Dante Digital Interface Limited 5-Year Warranty Table of Contents
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Technical parametersAshly NXP754D Specs | | | Number of Channels | 4 | | Output Power | 75 W @ 2, 4, and 8 Ohms | | Dimensions (W x H x D) | 19 x 1.75 x 14.54" (48.3 x 44.5 x 36.9 cm) | | Weight | 12 lb (5.4 kg) | | | | 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: -20dBu to +20dBu
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: 92.436 to 0.267
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 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 | | 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 |
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