55
Operating Manual - nX, nXe, and nXp Power Amplifiers
Distortion (THD-N, typical)
(8 Ohm, 10dB below rated power, 20Hz-20kHz). . .<0.5% (all models)
Channel Separation (dB from full output, 1kHz). . . . .-75dB (all models)
Signal to Noise (20Hz-20kHz, unweighted) . . . . . . . .>114dB (all 3.0x models), >111dB (all 1.5x models)
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . .20Hz-20kHz, +/-0.05dB (all models)
Balanced Input Connector (per channel) . . . . . . . . . . . . . . . . . . . .Euroblock (3.5mm), 1/4" TRS and XLR Combo jack
Input Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10k Ohm
Maximum Input Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+21dBu
Bridge Mode Switch (per channel pair). . . . . . . . . . . . . . . . . . . . .In for bridged mode, Out for stereo
Remote DC Level Control (G, CV, V+ per channel) . . . . . . . . . . .Euroblock (3.5mm), V+ is fully on, G is fully attenuated
DIP Switch settings (per channel)
Switches 1-2: Output Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . .Low Z, 70V, 100V output
Switches 3-4: Input Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26dB, 32dB, 38dB, 1.4V
Switch 5: Input Clip Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . .On, Off
Switch 6: Input High Pass Filter . . . . . . . . . . . . . . . . . . . . . . . .80Hz 2nd order HPF - On, Off
Speaker Output Connector (per channel). . . . . . . . . . . . . . . . . . . .Neutrik SpeakON
®
Control Network (nXe and nXp only) . . . . . . . . . . . . . . . . . . . . . .RJ-45 connector, standard 100MB Ethernet
Remote Standby Contact Closure (nXe and nXp only) . . . . . . . . .Euroblock (3.5mm) - close contact pin to G for standby mode
Fault Logic Outputs 1-4 (nXe and nXp only) . . . . . . . . . . . . . . . .Euroblock (3.5mm) - fault indicated by logic low (0V)
Software Assignable Fault Conditions (per pin). . . . . . . . . . . . .Overtemperature, rail voltage fault, average power fault
(+5V and G pins available for logic sink and source)
Maximum Fault Pin Source Current . . . . . . . . . . . . . . . . . . . .20mA
Maximum Fault Pin Sink Current . . . . . . . . . . . . . . . . . . . . . .200mA
Preset Recall Contact Closure (nXe and nXp only). . . . . . . . . . . .Euroblock (3.5mm) - close contact to GND for preset 1-4 recall
Data Connection (nXe and nXp only) . . . . . . . . . . . . . . . . . . . . . .Euroblock (3.5mm) - Gnd, +18V, Data Out, Data In
AUX Output Connector (nXe and nXp only) . . . . . . . . . . . . . . . .Balanced Euroblock (3.5mm)
AUX Output on two channel models . . . . . . . . . . . . . . . . . . . . .AUX A & B use amp ch 1-2 signal,
or
use matrix mixer if DSP installed
AUX Outputs on four channel models . . . . . . . . . . . . . . . . . . . .AUX A, B, C, D use amp ch 1-4 signal, post DSP if installed
AUX Output Maximum Level (nXe and nXp only) . . . . . . . . . .+21dBu
Network Audio Option. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Cobranet currently available
Digital I/O Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AES3, two or four channel with zero-latency pass-through
Front Panel Indicators
Power Switch LED (white) . . . . . . . . . . . . . . . . . . . . . . . . . . . .On, Off, Standby (flashing)
Clip/Mute LED (red) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Per Channel - Clip @ 1dB below full output, Mute
Signal LED (green) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Per Channel - -18dB below rated output
Current LED (green) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Per Channel - Brightness is proportional to output current
Temp LED (yellow) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Per Channel - On dim at 80% of maximum operating temperature
On full bright at 100% maximum operating temp, + protect
Bridge LED (green) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Per Channel Pair - On, Off
Protect LED (red). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .On for fault condition countermeasures or shut-down, Off
Sleep LED (blue) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .On when amp is asleep, on briefly when sleep mode is enabled
Disable LED (yellow) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .On when front panel controls are disabled, Off
Com LED (green) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .On for Ethernet activity or displaying Device ID
Attenuators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Per channel: front panel, software,
offset link group, and remote. Fully off = Mute
Amplifier Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .In-rush current limitation, temperature monitoring,
output over-power protection, mains fuses
Cooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Continuously variable temperature controlled axial fan(s)
Power Cable Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20A powerCON
®
(32A powerCON
®
on 3.04 model only)
Operating Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70V-135V (120VAC), 140V-270V (240VAC)
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19”W x 3.5”H x 16.84”D (483 x 89 x 428mm)
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<30lbs (13.6kg)
Environmental: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40°F-120°F, (4°C-49°C) noncondensing
