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4-channel 150W Multi-mode Power Amplifiers with Selectable Outputs and Protea DSP

Series: nXp

Model: nXp 1504

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)

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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. Class-D Switching Amplifier Technology: NXP features a universal switch-mode power supply with Power Factor Correction (PFC) that operates from 70VAC to 270VAC. Multi-Mode Operation: Selectable Outputs allow you to choose the desired output mode on each channel. Set the DIP-switch configuration for Low Impedance (2, 4, and 8 Ohm), or 25V, 70V, or 100V Constant Voltage and you’re set to go. Energy Efficiency: NXP has power-saving Ashly EMS™ (Energy Management System) which provides an automatic sleep-mode drawing less than 1 Watt (defeatable). Ethernet Control using Protea™ NE software: Also, serial data control by Ashly programmable remotes or third party controllers, aux preamp outputs, instant standby mode, preset recall, fault condition logic outputs, optional Dante CobraNet™, or AES3 digital audio capability (factory-installed). Real-Time Clock with Event Scheduler: Assign automatic execution of selected functions and tasks. The event scheduler is programmed from software and stored in the amplifier. Ashly Remote Control via iPad® app: Use our free Ashly Remote app available for custom design of secure wireless control over network. 32-bit SHARC DSP Processing at 48kHzor 96kHz Sample Rates: Comprehensive software control of digital signal processing, matrix and auto-mixing, built-in signal generator for test tone and noise-masking, swept output load impedance monitoring. Use Ashly Remote iPad control to select functions including gain, mute, matrix, A/ source select, PEQ filter level, and meters. FIR Filter-Ready: Our PneS software will load a speaker manufacturer's .fir or .csv file to achieve precision tuning.

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

Amplifier Type - Power Amplifier
Dante Enabled - Yes
ROHS Compliant - Yes
Warranty - Yes
Spec Sheet available - Yes

Operating Temperature (Maximum): 120.20 F
Operating Temperature (Minimum): 32 F
Maximum Frequency Response (Bandwidth): 20 kHz
Maximum Frequency Response (Bandwidth): 20000 Hz
Minimum Frequency Response (Bandwidth): 20 Hz
Minimum Frequency Response (Bandwidth): 0.02 kHz
Certifications: CE, FCC
Impedance: 8 ohm
Number of Channels: 4
Power Handling: 150 Watt
Signal to Noise Ratio: 99 dB
Total Harmonic Distortion + Noise (THD+N): 0.50 %
AC Voltage (Maximum): 270 Volts
AC Voltage (Minimum): 70 Volts
Depth: 14.76 in
Height: 1.75 in
Shipping Depth (with packaging): 19.50 in
Shipping Height (with packaging): 2.50 in
Shipping Width (with packaging): 25.20 in
Width: 19 in
Product Weight: 13.10 lbs
Shipping Weight: 16 lbs
Warranty (Length/Type): 5 Year
Max Output Power: Measured in Watts Per Channel, Low Impedance Output Mode, All Channels Driven at Rated Load:
•2 Ohms: 150
•4 Ohms: 150
•8 Ohms: 150
Low Impedance Output Mode, Bridged Output: Measured in Watts, All Channels Driven at Rated Load:
•4 Ohms: 300
•8 Ohms: 300
25V, 70V, 100V Constant Voltage Output Mode: Measured in Watts, All Channels Driven at Rated Load:
•25V(per channel): 150
•70V (per channel): 150
•100V (per channel): 150
Total AC Mains Power Draw: Measured in Watts, Typical input, all channels driven, 120VAC:
•Sleep Mode: less than 1
•Standby Mode: 25
•Idle (no signal): 53
•1/8 Max Power @ 2 Ohms: 230
Current Draw: Measured in Amps, Typical Input, Total for all Channels, 120VAC, Divide by 2 for 240VAC:
•Sleep Mode: 94mA
•Standby Mode; 0.27
•Idle (no input signal): 0.50
•1/8 Max Power @ 2 Ohms: 2.2
Thermal Dissipation: BTU/hr, Typical Input, Total for all Channels:
•Sleep mode: 2.14
•Standby mode: 86.4
•Idle (no input signal): 180
•1/8 Max Power @ 2 Ohms: 505
VOLTAGE GAIN: Selectable at 26dB, 32dB, 38dB, or 1.4V
Damping Factor: greater than 250 (8 Ohm load <1kHz)
Input High Pass Filter: 80Hz 2nd order
Channel Separation: -75dB (dB from full output, 1kHz)
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 ground (G) for standby mode
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 & inrush-current limiting
Cooling: Continuously variable temperature controlled fan
Power Requirements (@ 50/60Hz):
•Nominal Voltage Input: 120VAC - 240VAC
•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)
Front Panel LED Indicators:
•POWER (white): Switch: On, Off, Standby (flashing)
•PROTECT (red): On (fault condition or shut down), Off
•SLEEP (blue): On, amplifier is asleep from audio inactivity
•DISABLE (yellow): On, power switch & attenuators are disabled
•COM (green): On, for Ethernet data or Device ID
•Per Channel:
•CLIP/MUTE (red): Clip @ 1dB below rated output / Mute
•SIGNAL (green): 18dB below rated output
•CURRENT (green): Brightness is proportional to output current
•TEMP (yellow): On dim at 90% max operating temperature, On full bright + protect at 100%
•BRIDGE (green): Per Channel Pair, On, Off
Remote Accessories:
•WR-1: 2-Channel Level Control
•WR-1.5: Level and Preset Recall
•WR-2: Four-Position Preset Recall Switch
•WR-5: Programmable Button Controller
•neWR-5: Programmable Network Button Controller
•Ashly Remote: Remote Control Application for Apple® iPad®, iPhone®, and iPod Touch®

Power Amplifier 1077670 kb - Data Sheet