behringer NX Series Ultra-Lightweight Class-D Power Amplifier User Guide

behringer NX Series Ultra-Lightweight Class-D Power Amplifier

Important Safety Instructions

• Terminals marked with this symbol carry electrical current of sufficient magnitude to constitute risk of electric shock.
• Use only high-quality professional speaker cables with ¼” TS or twist-locking plugs pre-installed. All other installation or modification should be performed only by qualified personnel.
• This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure – voltage that may be sufficient to constitute a risk of shock.
• This symbol, wherever it appears, alerts you to important operating and maintenance instructions in the accompanying literature. Please read the manual.
• Caution: To reduce the risk of electric shock, do not remove the top cover (or the rear section).
• No user serviceable parts inside. Refer servicing to qualified personnel.
• Caution: To reduce the risk of fire or electric shock, do not expose this appliance to rain and moisture. The apparatus shall not be exposed to dripping or splashing liquids and no objects filled with liquids, such as vases, shall be placed on the apparatus.
• Caution: These service instructions are for use by qualified service personnel only.
• To reduce the risk of electric shock do not perform any servicing other than that contained in the operation instructions. Repairs have to be performed by qualified service personnel.
• Warning: Please refer to the information on the exterior of bottom enclosure for electrical and safety information before installing or operating the device.

1. Please read and follow all instructions and warnings.
2. Keep the apparatus away from water (except for outdoor products).
3. Clean only with dry cloth.
4. Do not block ventilation openings. Do not install in a confined space. Install only according to manufacturer’s instructions.
5. Protect the power cord from damage, particularly at plugs and appliance socket.
6. Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including amplifiers) that produce heat.
7. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other (only for USA and Canada). A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
8. Protect the power cord from damage, particularly at plugs and appliance socket.
9. Use only attachments and accessories recommended by the manufacturer.
10. Use only specified carts, stands, tripods, brackets, or tables. Use caution to prevent tip-over when moving the cart/ apparatus combination.
11. Unplug during storms, or if not in use for a long period.
12. Only use qualified personnel for servicing, especially after damage.
13. The apparatus with protective earthing terminal shall be connected to a MAINS socket outlet with a protective earthing connection.
14. Where the MAINS plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable.
15. Avoid installing in confined spaces like bookcases.
16. Do not place naked flame sources, such as lighted candles, on the apparatus.
17. Operating temperature range 5° to 45°C (41° to 113°F).

LEGAL DISCLAIMER
Music Tribe accepts no liability for any loss which may be suffered by any person who relies either wholly or in part upon any description, photograph, or statement contained herein. Technical specifications, appearances and other information are subject to change without notice. All trademarks are the property of their respective owners. Midas, Klark Teknik, Lab Gruppen, Lake, Tannoy, Turbosound, TC Electronic, TC Helicon, Behringer, Bugera, Aston Microphones and Coolaudio are trademarks or registered trademarks of Music Tribe Global Brands Ltd. © Music Tribe Global Brands Ltd. 2024 All rights reserved.

LIMITED WARRANTY

For the applicable warranty terms and conditions and additional information regarding Music Tribe’s Limited Warranty, please see complete details online at community.musictribe.com/support.

NX Series Hook-up

Step 1: Hook-up

Full band recording to computer (single amplifier/ stereo mode)

DJ Hook-up

NX6000/NX3000/NX1000/NX4-6000 Controls

1. RACK EARS secure the unit into a rack using four attaching screws and washers (fasteners not included). Requires two rack units.
2. VENTILATION openings allow back-to-front air circulation to prevent overheating.
3. SIGNAL , LIMIT and PROTECT LEDs display the signal level and system status for each channel. The SIGNAL LEDs light to show the input signal level. The LIMIT LED lights when the input signal exceeds an optimum level and activates the internal limiter. Reduce the input gain if the red LIMIT LED lights up continuously. The PROTECT LED shows when an operation error has occurred (over current, over temperature, and so on). When an operation error occurs, the PROTECT LED will light and the unit will automatically mute the channel until the error is no longer detected, after which the PROTECT LED will switch off and the amp will behave normally.
4. POWER LED lights up to indicate the unit is powered on.
5. INPUT CONTROLS adjust the input level. To increase signal gain, rotate the knobs clockwise; to reduce the gain, rotate the knobs counter-clockwise.
6. POWER button turns the amplifier on and off.
7. POWER SOURCE jack accepts the included IEC power cable.
8. OUTPUTS connect the amplifier to the speakers using professional speaker cables with twist-locking plugs.
9. PIN OUT MATRIX lists the output pin/channel configurations available in each speaker output jack.
10. VENTILATION FAN speed adjusts automatically to ensure troublefree operation.
11. MODE SWITCH Choose the amplifier mode by toggling the sliding MODE SWITCH between the MONO, STEREO, and BRIDGE positions (NX6000: no BRIDGE mode.)
12. ROSSOVER switch chooses between three modes: FULLRANGE, LF (low frequency crossover) and HF (high frequency crossover). In LF mode, the unit amplifies only the low frequencies of the signal. In HF mode, the unit only amplifies the high frequencies. LF and HF modes are typically used in bi-amping applications.
13. INPUTS Route line-level input signals into these combination jacks using XLR, balanced ¼” TRS, or unbalanced ¼” TS connectors.
14. BREAKER (automated fuse, NX6000 and NX4-6000 only). After eliminating the cause of faulty operation, simply depress the BREAKER and power up the unit again. The BREAKER acts in place of common discardable fuses.
    • BREAKER WARNING : Take the following actions
    • BEFORE resetting the breaker:
    • Unplug the AC main cable
    • Press the POWER button to the extended “OFF” position
    • Turn all input gain control elements down
    • And then, reset the breaker, connect the unit to the mains, switch ON and slowly increase the gain to the target volume.

NX6000D/NX3000D/NX1000D Controls

1. RACK EARS secure the unit into a rack using four attaching screws and washers (fasteners not included). Requires two rack units.
2. VENTILATION openings allow back-to-front air circulation to prevent overheating.
3. INPUT CONTROLS adjust the input level. To increase signal gain, rotate the knobs clockwise; to reduce the gain, rotate the knobs counter-clockwise.
4. SIGNAL, LIMIT and PROTECT LEDs display the signal level and system status for each channel. The SIGNAL LEDs light to show the input signal level. The LIMIT LED lights when the input signal exceeds an optimum level and activates the internal limiter. Reduce the input gain if the red LIMIT LED lights up continuously. The PROTECT LED shows when an operation error has occurred (over current, over temperature, and so on). When an operation error occurs, the PROTECT LED will light and the unit will automatically mute the channel until the error is no longer detected, after which the PROTECT LED will switch off and the amp will behave normally.
5. SETUP button steps through parameters within DSP processing modules.
6. LCD SCREEN displays the current DSP module and parameter settings.
7. PROCESS button steps through the DSP processing modules.
8. UP/DOWN buttons step through DSP modules.
9. EXIT button takes you back to the top-level DSP screen.
10. SELECT encoder knob toggles between Graphic and Edit modes (when pressed) and changes parameter values (when rotated).
11. POWER button turns the amplifier on and off.
12. POWER SOURCE jack accepts the included IEC power cable.
13. OUTPUTS connect the amplifier to the speakers using professional speaker cables with twist-locking plugs.
14. PIN OUT MATRIX lists the output pin/channel configurations available in each speaker output jack.
15. VENTILATION FAN speed adjusts automatically to ensure troublefree operation.
16. INPUTS Route line-level input signals into these combination jacks using XLR, balanced ¼” TRS, or unbalanced ¼” TS connectors.
17. USB connection enables firmware updates and control over parameters via computer. Please visit behringer.com to download DSP control software for your computer. The USB port is for amplifier configuration only.
18. BREAKER (automated fuse, NX6000D).  After eliminating the cause of faulty operation, simply depress the BREAKER and power up the unit again. The BREAKER acts in place of common discardable fuses.

BREAKER WARNING : Take the following actions

BEFORE resetting the breaker:

• Unplug the AC main cable
• Press the POWER button to the extended “OFF” position
• Turn all input gain control elements down
• And then, reset the breaker, connect the unit to the mains, switch ON and slowly increase the gain to the target volume

NX6000/NX3000/NX1000/NX4-6000 Getting started

1. Make sure the amplifier and your sound source are turned OFF
2. Set all INPUT CONTROLS to the full counter-clockwise position.
3. Turn on your sound source (mixer, CD player, computer).
4. Press the POWER button to switch on the amplifier.
5. Set the output levels on your sound source
6. Adjust the INPUT CONTROLS to set the input levels.

NX6000D/NX3000D/NX1000D Getting started

1. Power on the amplifier by pressing the POWER button. The startup screen will appear on the LCD display.
2. Press the PROCESS button to move by step through DSP screens
3. Within each screen push the SELECT encoder knob to toggle between Graphic Mode and Edit Mode.
4. In Graphic Mode, turn the SELECT encoder knob to choose the active channel and module number (e.g., DEQ filters A#1 or A#2).
5. In Edit Mode, turn the SELECT encoder knob to change parameters. Press the UP/DOWN/EXIT buttons to step through values and channels.
6. On the I/O (Amp Mode) screen, choose your signal path: BRIDGE, DUAL (Dual Mono), STEREO, BIAMP1 or BIAMP2
7. On the PEQ screen, deploy up to 8 different parametric equalizer filters to shape your sound.
8. On the XOVER screen, choose up to 2 cutoff frequency crossover points, and up to 10 different filter curves for each output
9. On the DEQ screen, you may deploy Dynamic EQ modules (up to 2 per stereo channel) to monitor designated
10. On the DELAY screens, you may compensate for phase cancellation problems in your system by altering signal phase (PHASE: 0° or 180°) and/or delaying the signal output (Delay: 0 to 300 msec) from designated channels to match up with sound traveling over distance (e.g., compensating for sound traveling outward from the stage  to sound reinforcement speakers placed out in the audience).

NX6000/NX3000/NX1000/NX4-6000 Bi-amping

1. On the amplifier intended for middle and high frequencies, slide the CROSSOVER switch to the HF position.
2. On the amplifier intended for low frequencies, slide the CROSSOVER switch to the LF position.
3. Ajuste el interruptor MODE a STEREO.
4. Run a 4-pole speaker cable with professional twist-locking connectors from each amplifier’s CH A output to a connector distribution panel. Each amplifier’s A and B channels will now be routed out together on a single cable.
5. Wire the distribution panel to route the HF amplifier’s CH A output (1+/1-) to pins 1+/1- of the panel’s left output, while the HF amplifier’s CH B output (2+/2-) goes to pins 1+/1- of the panel’s right output.
6. Similarly, route the LF amplifier’s CH A output (1+/1-) to pins 2+/2- of the panel’s left output, while the LF amplifier’s CH B output (2+/2-) goes to pins 2+/2- of the panel’s right output.
7. Now run a 4-pole cable from the distribution rack’s outputs to the subwoofers. Each 4-pole cable will have the HF amplifier’s signal on pins 1+/1- and the LF amplifier’s signal on the 2+/2- pins.
8. Set the subwoofer to “BIAMPING” mode. On BEHRINGER subwoofers, the LF amplifier’s signal on pins 2+/2- will run the subwoofer, while the HF amplifier’s signal on 1+/1- will pass through the subwoofer to another output jack.
9. Run a 2-pole speaker cable from the subwoofer’s output jack to the mid/ high-range speakers. The HF amplifier’s signal on pins 1+/1- will now drive the mid/ high-range speaker.

NX6000/NX3000/NX1000/NX4-6000 Bi-amping

NOTE : If your subwoofers run using only pins 1+/1-, you may connect the subwoofers directly to the amplifiers and you will not need a distribution panel. In this scenario, you will deploy two 2-pole cables per stereo side on each amplifier, one amplifier for the mid/high-range speakers and one amplifier for the subwoofers.

Vertical Bi-amping
Vertical bi-amping deploys a single amplifier per stereo side. An external crossover splits the original signal into separate low-frequency and mid/high- frequency signals that are amplified separately.

1. Set your external crossover to split your stereo signal into low and mid/high frequency bands at around 100 Hz.
2. Run the mid/high-frequency signals from the crossovers into the CH A inputs of each amplifier.
3. Run the low-frequency signals from the crossovers into the CH B inputs of each amplifier.
4. On both the left and right amplifier, slide the CROSSOVER switch to the FULLRANGE position.
5. On both amplifiers, slide the MODE switch to the STEREO position.
6. Run a 4-pole speaker cable with professional twist-locking connectors from each amplifier’s CH A output to the respective left and right subwoofers.
7. Set the subwoofer into “BIAMPING” mode.
8. Run a 2-pole speaker cable with professional twist-locking connectors from the subwoofer to the mid/high-range speakers.

NX6000D/NX3000D/NX1000D Bi-amping

1. Choose the BIAMP1 setting on the Amp Mode screen.
2. Run a 4-pole speaker cable with professional twist-locking connectors from OUTPUTS CH A to the subwoofer.
3. Set the subwoofer into BIAMPING mode.
4. Run a 2-pole speaker cable with professional twist-locking connectors from the subwoofer to the other speaker.
5. Go to the XOVER screen using the UP/DOWN buttons to set appropriate high/low crossover frequencies.
6. In Channel A#1, choose your high-pass filter type (HPtype: BUT6, BUT12, BES12, etc.) and set the cutoff frequency (HPfreq) to approximately 100 Hz. Deactivate the low-pass filter (LPtype: OFF) on this channel and set the gain level (Gain) to suit your system.
7. In Channel B#1, choose your low-pass filter type (LPtype: BUT6, BUT12, BES12, etc.) and set the cutoff frequency (LPfreq) to approximately 100 Hz. Deactivate the high-pass filter (HPtype: OFF) on this channel and set the gain level (Gain) to suit your system.

Specifications

Maximum Output Power

Bridge connection

Controls

Front| Power switch, Gain controls (channels A and B),

DSP section rotary push-encoder Buttons for Process, Setup, Up/Down, Exit

|

Power switch

Gain controls (channels A and B)

|

Power switch Gain controls

(channels A,B,C and D)

| Power switch, Gain controls (channels A and B),

DSP section rotary push-encoder Buttons for Process, Setup, Up/Down, Exit

---|---|---|---|---
Rear|

Circuit breaker

| Mode switch (stereo / mono)

Crossover switch (LF / fullrange / HF) Circuit breaker

| 2 x Mode switch (bridge / stereo / mono)

2 x Crossover switch (LF / fullrange / HF) Circuit breaker

|

—

Indicators

Digital Signal Processing (DSP)

types, up to 48 dB/octave
Digital EQ function (per channel)| 8-band parametric,

2-band dynamic equalizer

| —| 8-band parametric,

2-band dynamic equalizer

Digital dynamics function (per channel)| Zero attack limiter (peak)| —| Zero attack limiter (peak)
Presets| 20 total presets,

19 user-definable

| —| 20 total presets,

19 user-definable

System

connectors
Output circuit type| Class D
Distortion| <0.2%| <0.1%| <0.2%| <0.3%
Frequency response| 20 Hz to 20 kHz, +0 / -2 dB| 20 Hz to 20 kHz, +0 / -1 dB
Damping factor| >140 @ 8 Ω| >145 @ 8 Ω
Signal-to-noise| >100 dB
USB| Rear panel USB connector type B for remote control of DSP section| —| Rear panel USB connector type B for remote control of DSP section

Circuit Protection

Stable into reactive or mismatched loads

Load protection| On/off muting, DC-fault power supply shutdown

Power Supply, Voltage, Current Consumption (Breaker / Fuses)

USA / Canada| 120 V~, 60 Hz, (T 25 A H 250 V)| 100-120 V~, 50/60 Hz, (T 10 A H 250 V)
---|---|---
Japan| 100 V~, 50/60 Hz, (T 25 A H 250 V)| 100-120 V~, 50/60 Hz, (T 10 A H 250 V)
UK / Australia / Europe| 220-240 V~, 50/60 Hz, (T 12 A H 250 V)| 220-240 V~, 50/60 Hz, (T 6.3 A H 250 V)
Korea / China| 220-240 V~, 50/60 Hz, (T 12 A H 250 V)| 220-240 V~, 50/60 Hz, (T 6.3 A H 250 V)
Power consumption @ 2 Ω, 1/8 rated power| —| 620 W| 350 W
Power consumption @ 4 Ω, 1/8 rated power| 620 W| 620 W| —| —
Mains connector| Standard IEC receptacle

Dimensions / Weight

Dimensions (H* x W x D)| 94 x 483 x 316 mm (3.7 x 19.0 x 12.4″)| 94 x 483 x 231 mm

(3.7 x 19.0 x 9.1″)

---|---|---
Weight| 6.0 kg (13.2 lbs)| 5.9 kg (13.0 lbs)| 6.1 kg (13.4 lbs)| 3.6 kg (7.9 lbs)

NX3000 NX1000D NX1000

Bridge connection

Controls

Front|

Power switch Gain controls (channels A and B)

| Power switch, Gain controls (channels A and B),

DSP section rotary push-encoder Buttons for Process, Setup, Up/Down, Exit

| Power switch Gain controls (channels A and B)
---|---|---|---
Rear| Mode switch(bridge / stereo / mono) Crossover switch (LF / fullrange / HF)| —| Mode switch(bridge / stereo / mono) Crossover switch (LF / fullrange / HF)

Indicators

Digital Signal Processing (DSP)

2-band dynamic equalizer

| —
Digital dynamics function (per channel)| —| Zero attack limiter (peak)| —
Presets| —| 20 total presets, 19 user-definable| —

System

Circuit Protection

mismatched loads
Load protection| On/off muting, DC-fault power supply shutdown

Power Supply, Voltage, Current Consumption (Breaker / Fuses)

USA / Canada / Japan| 100-120 V~, 50/60 Hz, (T 10 A H 250 V)| 100-120 V~, 50/60 Hz, (T 6.3 A H 250 V)
---|---|---
UK / Australia / Europe| 220-240 V~, 50/60 Hz, (T 6.3 A H 250 V)| 220-240 V~, 50/60 Hz, (T 3.15 A H 250 V)
Korea / China| 220-240 V~, 50/60 Hz, (T 6.3 A H 250 V)| 220-240 V~, 50/60 Hz, (T 3.15 A H 250 V)
Power consumption @ 2 Ω, 1/8 rated power| 350 W| 150 W
Mains connector| Standard IEC receptacle

Dimensions / Weight

Important information

1. Register online.
   Please register your new MusicTribe equipment right after you purchase it by visiting musictribe.com. Registering your purchase using our simple online form helps us to process your repair claims more quickly and efficiently. Also, read the terms and conditions of our warranty, if applicable.

2. Malfunction.
   Should your MusicTribe Authorized Reseller not be located in your vicinity, you may contact the MusicTribe Authorized Fulfiller for your country listed under “Support” at musictribe.com. Should your country not be listed, please check if your problem can be dealt with by our “Online Support” which may also be found under “Support” at musictribe.com. Alternatively, please submit an online warranty claim at musictribe.com BEFORE returning the product.

3. Power Connections.
   Before plugging the unit into a power socket, please make sure you are using the correct mains voltage for your particular model. Faulty fuses must be replaced with fuses of the same type and rating without exception.

FEDERAL COMMUNICATIONS COMMISSION COMPLIANCE INFORMATION

• Responsible Party Name: Music Tribe Commercial NV Inc.
• Address: 122 E. 42nd St.1,
• 8th Floor NY, NY 10168,
• United States
• Email Address: legal@musictribe.com

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

This equipment complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

Important information: Changes or modifications to the equipment not expressly approved by Music Tribe can void the user’s authority to use the equipment.
Hereby, Music Tribe declares that this product is in compliance with Directive 2014/35/EU,Directive 2014/30/EU, Directive 2011/65/EU and Amendment 2015/863/ EU, Directive 2012/19/EU, Regulation 519/2012 REACH SVHC and Directive 1907/2006/EC.
Full text of EU DoC is available at https://community.musictribe.com/

EU Representative : Music Tribe Brands DK A/S
Address : Gammel Strand 44, DK-1202 København K, Denmark
UK Representative: Music Tribe Brands UK Ltd.
Address: 8th Floor, 20 Farringdon Street London EC4A 4AB, United Kingdom.

Correct disposal of this product: This symbol indicates that this product must not be disposed of with household waste, according to the WEEE Directive (2012/19/EU) and your national law. This product should be taken to a collection center licensed for the recycling of waste electrical and electronic equipment (EEE). The mishandling of this type of waste could have a possible negative impact on the environment and human health due to potentially hazardous substances that are generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the efficient use of natural resources. For more information about where you can take your waste equipment for recycling, please contact your local city office, or your household waste collection service.

References

• Behringer | Home
• Music Tribe
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