Ashly NXP754
nXp 754 4 x 75 Watts @ 2 Ohms Network Power Amp with Protea DSP


Ashly's NX Multi-Mode Power Amplifiers are designed to meet the most demanding live sound and fixed installation sound systems in stadiums, arenas, performance venues, worship spaces and convention centers. Available in three amplifier series, NX offers 2 or 4-channel models as NX (base model series), NXE (networkable), or NXP (networkable + DSP).  This model, the nXp 754, is a 4 channel multi-mode amplifier capable of driving 2 Ohm loads at full power that fits into a 1U sized unit. Another useful feature is that this model offers selectable outputs and Protea™ DSP audio suite software.

The Protea DSP audio processing suite features the following attributes:

  • Automatic Feedback-suppressor
  • Auto-Mixer
  • Ambient Noise Compensation
  • Dynamics processing with auto-ducker
  • EQ and crossovers including FIR filters
  • Time-alignment and tower delay
  • Variable noise-masking with RTC
  • Swept AC load-analysis with baseline logging 

Ashly nXp 754 Includes:

  • Class-D Switching Amplifier Technology
  • Multi-Mode Operation
  • Energy Efficiency 
  • Ethernet Control using Protea™ NE software 
  • Real-Time Clock with Event Scheduler 
  • Ashly Remote Control via iPad® app 
  • 32-bit SHARC DSP Processing at 48kHz or 96kHz SampleRates 
  • FIR Filter-Ready 

Ashly nXp 754 Features:

  • Selectable 80Hz 2nd-order Hi-pass filter, limiter,and input gain per channel
  • Remote DC level control per channel
  • Extensive protection circuitry, continuously variable cooling fan
  • 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)
  • Instant Standby Mode, 40% reduction in idle power consumption, triggered by contact closure, software control, or event scheduler
  • Preset recall via contact closure, software control, remote control, or event scheduler
  • Programmable power-on delay
  • Aux preamp line outputs for driving other amplifiers
  • Fault condition logic outputs per channel
  • Comprehensive software controlled DSP including dynamics, gain, equalization, matrix mixer, crossover, delay, and metering.
  • Additional iPad control of select DSP functions including gain, matrix, A/B source select, PEQ filter level, and meters
  • Precision swept load impedance monitoring of individual amplifier channels for remote diagnosis of speaker problems
  • Signal generator function for test and noise masking
  • Remote gain and zone control with neWR-5 and FR-8/FR-16 programmable networked remotes
  • Euroblock input connectors
  • Euroblock loudspeaker connectors
  • Detachable AC mains line-cord connector
  • Safety/Compliance: cTUVus (pending), CE, FCC, RoHS 

Ashly nXp 754 Specifications:

NOTE: 0dBu = 0.775 VRMS

  • Voltage Gain: Selectable at 26dB, 32dB, 38dB, or 1.4V
  • Damping Factor: >250 (8 Ohm load <1kHz)
  • Input High Pass Filter: 80Hz 2nd order
  • Distortion (SMPTE, typical): <0.5%
  • Distortion (THD-N, typical): <0.5% (8 Ohms, 10dBbelow rated power, 20Hz–20kHz)
  • Channel Separation: -75dB (dB from full output, 1kHz)
  • Signal-to-Noise (unweighted) 20Hz-20kHz, Gain@ 26dB:
    • >99dB (all 150x models)
    • >96dB (all 75x models)
  • Frequency Response: 20Hz-20kHz, +/-0.05dB
  • Balanced Input Connector: Euroblock 3.5mm
  • Input Impedance: 10k Ohms
  • Maximum Input Level: +21dBu
  • Speaker Output Connector: Euroblock 7.62mm
  • Control Network: RJ-45 connector, 100MB Ethernet
  • AUX Output Connector: Balanced Euroblock 3.5mm
  • AUX Output Maximum Level: +21dBu
  • Remote Standby Contact Closure: Euroblock 3.5mm,close contact pin to ground (G) for standby mode
  • Preset Recall Contact Closure: Euroblock 3.5mm, close contact to ground (G) for preset 1-4 recall
  • Data Connection: Euroblock 3.5mm – Gnd, +18V, Data Out, Data In
  • Fault Condition Logic Outputs: Euroblock 3.5mm –fault indicated by loss of 1Hz "heartbeat" pulse signal
  • Remote DC Level Control: Euroblock 3.5mm – Gnd, CV,V+ per input
  • Attenuators (per channel): Rear panel, software,offset link group, remote control. Fully off = Mute
  • Amplifier Protection: Shorted output power limiting, over-temperature, DC-output, power-supply fault, mains-fuses &in rush-current limiting
  • Cooling: Continuously variable temperature controlled fan
  • Environmental: 32°F-120°F, (0°C-49°C) non-condensing
    • Power Requirements (50 – 60Hz):
    • Nominal Voltage Input: 100 – 240VAC
    • Operating Range: 70 – 270VAC
    • Minimum power-up: 70VAC
    • Power Supply Type: SMPS with active PFC (Power Factor Correction)
    • AC Mains Line Cord Connector: Detachable Nema 5-15 for USA (May vary for export)
  • Weights and Dimensions:
    • Unit Dimensions: 19” W x 1.75” H x 14.54” D (483mm x 45mm x 369mm)
    • Shipping Dimensions: 25.2" W x 2.5" H x 19.5" D (641mm x 64mm x 495mm)
    • Unit Weight: 13.1lbs (5.9kg)  
    • Shipping Weight: 16.0lbs (7.3kg) 


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