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Behringer Ultra-Lightweight, 12000-Watt Power Amplifier

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The Behringer iNUKE NU12000 Ultra-Lightweight High-Density 12000W Power Amplifier utilizes high-density Class-D technology and efficient switch-mode power supplies to deliver 12000W of peak power. Specifically, the amplifier is rated at 2 x 6,000W at 2Ω, 2 x 3400W at 4 Ω, 2 x 1700W at 8 Ω, and weighs less than 26.5 lb (12.0kg).

The high-efficiency circuit design runs cool and does not require the massive heat sinks and heavy toroid transformers of some other amplifier designs. The front panel features positive-detent controls and LED indicator lights for showing when a signal is present or clipping and needs to be reduced.

The rear panel features combo XLR and 1/4" TRS input connectors making the amplifier compatible with a wide variety of different sources, balanced or unbalanced. Professional twist-lock Speakon connectors are provided to ensure a reliable and efficient transfer of power to your loudspeakers.

The rear panel also has the switches that enable the amplifier to work in Dual Mono, Stereo, or Mono Bridge mode. A built-in crossover switch enables the amplifier to operate in either full-range or biamp mode, sending low-frequency content to passive subwoofers.

Power Output
Delivers 2 x 6000W at 2Ω, 2 x 3400W at 4 Ω, 2 x 1700W at 8 Ω
Amplifier Design
Features class-D amplifier technology with near-zero thermal buildup
Power Supply
Utilizes efficient switch-mode power supply for noise-free audio, enhanced transient response, and low power consumption
Incorporates zero-attack limiters to protect output level with reliable overload protection
Includes built-in subwoofer crossover for dedicated subwoofer operation
Features detented and illuminated gain controls for precise level setting
LED Indicators
Precise 4-segment signal and limit LEDs to monitor performance
Features XLR and 1/4" TRS input connectors for compatibility with a variety of different sources
Utilizes professional twist-lock speaker connectors for reliable connections
Protection Circuitry
Includes independent DC, LF, and thermal overload protection on each channel automatically protects amplifier and speakers without shutting down the system


Power Output 2 Ω per channel, stereo: 2 x 6000 W
4 Ω per channel, stereo: 2 x 3400 W
8 Ω per channel, stereo: 2 x 1700 W
Front Power switch gain controls (channels A and B)
Rear Mode switch (stereo/mono)
Crossover switch (LF/full-range/HF)
Circuit breaker
Power Amber backlit illuminated gain controls
Limiter Per channel: 0 dB, full scale
Signal Per channel: -24, -12, -6 dB
RMS Voltage Swing 8 Ω: 0.75 V (-0.3 dBu)
Input Connectors 2 x combo jacks
Input Impedance 10 kΩ unbalanced
20 kΩ balanced
Outputs 2 x locking-style professional speaker connectors
Circuit Type Class-D
Distortion <0.2 %
Frequency Response 20 to 20,000 Hz, +0/-2 dB
Damping Factor >100 at 8Ω
Signal-to-noise >100 dB
Circuit Protection Cooling: continuously variable speed fan, back-to-front air flow

Amplifier protection: thermal and DC protection, stable into reactive or mismatched loads

Load protection: on/off muting, DC-fault power supply shutdown
Power Supply USA/Canada/Japan: 100 to 120 V at 50/60 Hz (50 A 120 VAC)

UK/Australia/Europe/Korea/China: 220 to 240 V at 50/60 Hz (25 A at 250 VAC)
Power Consumption 2 Ω at 1/8 rated power: 1300 W
4 Ω at 1/8 rated power: 760 W
Connector Mains: Neutrik powerCON 32 A
Dimensions (HxWxD) 3.7 x 19 x 17.2" (94 x 482 x 436 mm)
Weight Approximately 26.5 lb (12.0 kg)
Packaging Info
Package Weight 31.75 lb
Box Dimensions (LxWxH) 21.9 x 19.3 x 6.6"
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