HK Audio Lab.Gruppen PLM12K44 12000W helivõimendi

11 889,00 € 9 907,50 €

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‌12,000 Watt Amplifier with 4 Flexible Output Channels on SpeakON Connectors, LAKE Digital Signal Processing and Digital Audio Networking for Touring Applications

  • 12,000 Watt amplifier with 4 flexible output channels and up to 5,900 Watts channel output for touring applications
  • LAKE digital signal processing for unparalleled loudspeaker management and system control
  • Integrated 8x8 channels of dual redundant Dante* digital audio networking with AES67 support
  • 4 x 3,000 Watts into 2 Ohms, 4 x 3,000 Watts into 2.67 Ohms, 4 x 3,000 Watts into 4 Ohms, 4 x 1,900 Watts into 8 Ohms, 4 x 950 Watts into 16 Ohms, 4 x 3,000 Watts into Hi-Z 70 V, 4 x 3,000 Watts into Hi-Z 100 V
  • Proven and reliable Class-TD output stage with proprietary Intercooler high-efficiency cooling system
  • Rational Power Management (RPM) provides total flexibility to allocate available power across all 4 output channels
  • Best-in-class Power Factor Correction (PFC) with Current Draw Modelling reduces running costs and minimizes environmental impact
  • Under-Voltage Limiting (UVL) for continued operation during severe mains supply voltage drops
  • Dedicated on-board surveillance and load monitoring for complete peace of mind
  • Redundant audio inputs and on-board system surveillance for full system security
  • Backlit, white-on-black front panel display and menu navigation buttons                        
  • 100 user presets for simple and efficient system configuration and set-up
  • 3 front-to-rear airflow fans with temperature control for optimal speed and reduced noise
  • 4 “LAKE Class” analog input channels with Iso-Float ground isolation
  • 4 input channels of AES/EBU (AES3) digital audio supporting all standard sample rates up to 192 kHz with 24-bit resolution
  • 2 Neutrik etherCON* RJ-45 ports provide dual redundant Dante interfaces and remote configuration via LAKE Controller and Dante Controller software 
  • Balanced analog and AES/EBU audio inputs on Neutrik* XLR connectors
  • 1 NLT8 and 2 NLT4 Neutrik speakON* output connectors
  • Detachable Neutrik powerCON* cable rated at 250 V / 32 A
  • Removable dust filter grilles for increased air circulation
  • Rugged 2U rackmount chassis for durability in touring applications
  • 10-Year Warranty Program*
  • Designed and engineered in Sweden


The PLM 12K44 Combines a 4-In, 4-Out Configuration with Industry-Standard Dante Networking, Setting the Benchmark for Powered loudspeaker Management Systems.

PLM 12K44 SP

The PLM 12K44 is the natural successor of the proven, road tested, and trusted LAB GRUPPEN touring foundation exemplified by the iconic PLM series, but with an additional new powerful feature set: the ability to rationalize power allocation between channels to optimize performance. Now packaged in an extended 4-in, 4-out configuration together with twice the processing power via the latest version 6.3 LAKE Controller release, plus industry-standard Dante® networking, the PLM 12K44 sets the benchmark for Powered Loudspeaker Management Systems.

The PLM 12K44 combines four channels of extremely powerful amplification with unrivalled signal processing and audio management. At the core of the system concept is the total integration of all devices – including networking, audio I/O, signal processing, amplifiers, power supply and connected mains supply – allowing complete control and monitoring of the entire platform, resulting in unique operational benefits. Less

Rational Power Management (RPM)

On top of the outstanding performance users have come to expect from a PLM, the 12K44 also features Rational Power Management (RPM), a proprietary LAB GRUPPEN technology that provides designers and systems techs with unprecedented freedom to allocate the available output power of each amplifier channel for optimum performance with specific load conditions. For the first time, RPM provides true flexibility in allocating available power across the four output channels. Each channel of the PLM 12K44 may be tailored to meet the requirements of the connected load, and any power not used for that channel may be allocated for use on other channels. 

RPM helps to avoid amplifier over-specification, or bridging of adjacent channels in order to meet minimum demands on one power-hungry load, which would otherwise result in a loss of channel count. RPM technology also enables the user to minimize equipment costs, reduce rack space and improve long-term energy efficiency – all achievable without compromising sonic performance. Rational Power Management incorporates features that safeguard the defined power output of one or more specified channels. From within the CAFÉ software, it allows the desired power demand to be calculated for the different loads in several different ways. RPM then analyses the desired power in relation to the channel and device constraints and guides the system designer towards the most effective way of powering the PA. 

Rational Power Management results in real-world savings, both immediate and long-term. In many cases, fewer amplifiers – or lower cost models – may be specified while still fulfilling all power requirements. It also allows better mains management, avoiding over-specification of mains distribution, cooling, and UPS (where required). Finally, the overall gains in efficiency in larger systems will minimize current consumption and reduce operation costs – a “green bonus” for the system owner.

The Power of LAKE Processing

The PLM 12K44 features the legendary power of exclusive LAKE Processing algorithms, incorporating four full-featured LAKE modules with four discrete channels of audio throughput input to output. Audio signals are selectable from four channels of analog (with Iso-Float ground isolation), four channels via AES3 digital inputs and eight dual redundant Dante networked digital inputs. Input signals are individually selectable for each channel, with programmable failover to a lower prioritized input.

The full-featured, on-board LAKE Processor includes group control with Raised Cosine MESA EQ asymmetric filters to match the responses of any loudspeaker system. LimiterMax peak and RMS limiters set the industry standard for loudspeaker protection and sonic transparency.

The included LAKE Controller software provides a unified interface for control of LAKE functions and for comprehensive monitoring of both amplifier status and connected loudspeaker loads. Optimized for a wireless tablet PC, Lake Controller is easy and intuitive to operate, with the “feel” of real-time analog faders and controls. LAKE Controller also features seamless integration with third party, real-time sound system measurement, optimization, and control software packages. Users can measure spectrum and transfer function and adjust system EQ at the same time, using the same user interface.

LAKE Processing offers classical crossovers (selectable up to 48 dB per octave) as well as linear-phase crossovers capable of slopes exceeding 180 dB per octave for greater control to limit lobing and off-axis cancellation.



  • Processing / Network: Lake / Dante
  • Number of amplifier channels: 4
  • Total burst power all channels (share among channels with RPM): 12000 W

Max output power (all channels driven)1

  • 2 ohms: 3000 W
  • 2.67 ohms: 3000 W
  • 4 ohms: 3000 W
  • 8 ohms: 1900 W
  • 16 ohms: 950 W
  • Hi-Z 70 V: 3000 W
  • Hi-Z 100 V: 3000 W

Max output power single channel1

  • 2 ohms: 4400 W
  • 2.67 ohms: 5900 W
  • 4 ohms: 4600 W
  • 8 ohms: 2300 W
  • 16 ohms: 1150 W
  • Hi-Z 70 V: 3300 W
  • Hi-Z 100 V: 4700 W

Amplifier output modules (all models, all channels)

  • Peak output voltage: 194 V
  • Max. output current: 67 A
  • Rational Power Management (RPM): Regardless of model, any channel has potential to deliver the max single channel output power
  • Default voltage limitation (can be lifted with RPM configuration): 175 V
  • Protection features: Current Average Limiter (CAL), Very High Frequency Protection (VHF), Direct Current Protection (DC), Short Circuit Protection, Current-Clip Limiter, Voltage Clip Limiter, Temperature protection

Audio Performance (Amplifier platform with digital input)

  • THD + N 20 Hz - 20 kHz for 1 W: < 0.05 %
  • THD + N at 1 kHz and 1 dB below clipping: < 0.04 %
  • Dynamic range: > 114 dB
  • Channel separation (Crosstalk) at 1 kHz: > 70 dB
  • Frequency response (1 W into 8 Ohm, 20 Hz - 20 kHz): +/- 0.05 dB
  • Internal Sample Rate / Data path: 48 / 96 kHz / 32 bit floating point
  • Product propagation delay AES 96 kHz / analog input: 1.61 / 1.68 ms

Lake processing

  • Loudspeaker processing: Up to 4 modules of Classic/linear-phase/FIR crossover, EQ, delay, LimiterMax™ - peak and RMS limiters
  • System tuning: Group control with Raised Cosine™ MESA EG™ asymmetric filters
  • Input redundancy / Matrix: Automatic 4 level input redundancy / 4 input mixers
  • System integration: Comprehensive 3rd party protocol over UDP Ethernet

Measurement & Analysis

  • Pilot tone generation and analysis: Yes
  • Load impedance analysis: Yes
  • Real Time Analyzer (RTA), 3rd party integration: Yes

Dante Audio Network

  • Dante I/O: 8 x 8
  • Network topology / redundancy: Flexible topology / Supports daisy-chained and Dual redundant networks
  • Sample Rates / Transport: 48, 96 kHz / Uni + Multicast
  • Network latency: 0.25, 0.5, 1.0, 2.0, 5.0 ms

Device presets

  • Local memory locations for the settings of the product: 100

AES Inputs

  • Inputs: 4 AES inputs
  • Supported sample rates / resolution: 44.1, 48, 88.2, 96, 176.4, 192 kHz / up to 24 bits
  • Sample rate conversion THD+N 20 Hz - 20 kHz unweighted: 0.0000003

Analog Inputs

  • Inputs: 4 high quality inputs with Iso-Float ground isolation
  • Maximum input / digital reference: +26 dBu / +21 dBu
  • Sampling rate / Resolution: 96 kHz / 24 bit
  • Input impedance balanced / unbalanced: 20 / 10 kOhm
  • THD+N (typical at 1 kHz unweighted): 0.0000022
  • THD+N (typical at 20 Hz and 20 kHz unweighted): 0.0000033


  • Adjustable Inter-Sample Voltage Peak Limiter (ISVPL): 17.8 - 194 V, step size 0.1 V
  • Current Peak Limiter < 300 ms: 67 A peak
  • Current Average Limiter (CAL) > 300 ms: 33 Arms
  • MaxRMS (rms voltage limiter): Yes
  • MaxPeak (peak voltage limiter): Yes


  • Amplifier gain: 22 - 44 dB, step size 0.1 dB
  • Output attenuator: -Inf to 0 dB, step size 0.25 dB

Back panel Interface

  • Analog, 2-channel I/O (input + link): 4 x 3-pin XLR, electronically balanced
  • AES / EBU / I/O (input + link): 2 x 3-pin XLR
  • Output connectors: Neutrik speakON (1 x NLT8, 2 x NLT4) or 4 Binding Posts (pairs)
  • Auto 10/100, Auto Uplink: 2 x RJ45 etherCON
  • Control and monitoring interface: Via Ethernet for Lake Controller software, or DLM (the 3rd party protocol)
  • Detachable mains cord: Neutrik PowerCon rated at 250V/32A
  • Cooling: Three fans, front-rear airflow, temperature controlled speed

Front-panel user interface

  • Display: 2.5 inch, black / white, daylight readable LCD
  • Fault/Warning/Limit/Clip indicators: RGB LEDs and detailed fault description on display
  • Mute and soft function buttons: 8 provided
  • Standby Power button: On/Standby
  • Mute Enable button: Enables muting of outputs and inputs via soft-button keypad
  • Meter button: Toggles through meter views
  • Menu button: Provides a menu driven interface for full function front panel control
  • Rotary Encoder: Yes
  • Exit Button: Provides a “back” function

Mains Power

  • Nominal voltage: 100 - 240 Volt AC 45 - 66 Hz
  • Operating voltage: 70-265 V AC
  • Mains wall plug: NEMA L5-30 "Twist lock" 125 V / 30 A, and CEE 7/7 "Schuko" 230 V / 16 A

Power supply features

  • Soft start / Inrush power: Yes/ Max 8 Ampere
  • Power Factor Correction (PFC): 0.98
  • Regulated switch mode power supply (R.SMPS): Yes
  • Breaker Emulation Limiter (BEL): Configurable current threshold and breaker profile
  • BEL max current threshold:25 A
  • Power Average Limiter (PAL): Yes
  • Under Voltage Limiter (UVL): Yes
  • Mains undervoltage and overvoltage protection and mains glitch tolerance: Yes


  • Rack rail to rear panel:W: 483 mm (19"), H: 88 mm (2 U), D: 424 mm (16")
  • Overall depth front-rear support: D: 498 mm (19.6")


  • Weight: 16.5 kg


  • Finish: Black painted steel chassis with black painted steel / aluminum front


  • Approvals: CE, ANSI / UL 60065 (ETL), CSA C22.2 NO. 60065, FCC, PSE, RCM, BIS India

Pakend sisaldab:

  • Lab Gruppen PLM 12K44 SP 12000W helivõimendi SpeakON ühendustega 1 tk
  • Toitekaabel Neutrik® powerCON® otsikuga 1 tk
  • Racki kinnitused 2 tk

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