LAB GRUPPEN PLM 8K44 SP 8,000-Watt Amplifier with 4 Flexible Output Channels and Lake DSP for Touring Applications (PLM 8K44 SP)

Vendor: Lab Gruppen
LAB GRUPPEN PLM 8K44 SP 8,000-Watt Amplifier with 4 Flexible Output Channels and Lake DSP for Touring Applications (PLM 8K44 SP) The PLM 8K44 indeed sounds like an impressive piece of equipment! It...
$6,500.00
Title

LAB GRUPPEN PLM 8K44 SP 8,000-Watt Amplifier with 4 Flexible Output Channels and Lake DSP for Touring Applications (PLM 8K44 SP)

The PLM 8K44 indeed sounds like an impressive piece of equipment! It seems like Lab Gruppen has aimed to integrate top-notch amplification with advanced signal processing and comprehensive audio management. The addition of the Dante Networking feature alongside the increased processing power through the version 6.3 Lake Controller release appears to enhance its functionality and adaptability within various audio setups. The ability to optimize power allocation between channels is a significant advancement, allowing users to fine-tune performance based on their specific requirements. The integration of all components within the system, from networking to power supply, offers a comprehensive level of control and monitoring that could prove invaluable in professional settings, especially in live performance or high-demand audio environments. Overall, it seems like the PLM 8K44 is designed to be a powerhouse in the realm of Powered Loudspeaker Management Systems, offering a blend of performance, adaptability, and control that could meet the demands of various audio applications.

Rational Power Management (RPM)

Rational Power Management (RPM) within the PLM 8K44 seems like a game-changer in the world of amplifier channel allocation. This Lab Gruppen technology offers an unprecedented level of control and flexibility for designers and systems technicians, allowing them to tailor the available output power of each amplifier channel to precisely match the demands of specific load conditions. The ability to allocate power across the four output channels based on load requirements is a significant advancement. RPM essentially prevents over-specification of amplifiers or the need to bridge channels to meet specific load demands, which could otherwise result in a loss of channel count or unnecessary power usage.

Moreover, the cost-effectiveness of RPM is notable. By precisely allocating power according to load requirements, it can potentially reduce the need for additional amplifiers or higher-cost models while still meeting power demands. This not only minimizes equipment costs but also reduces rack space and improves long-term energy efficiency without compromising audio quality. The feature that enables RPM to safeguard the defined power output of specific channels and guide system designers through effective powering of the PA, all within the CAFÉ software, is especially impressive. It sounds like RPM offers a holistic approach, not only optimizing power allocation but also considering various constraints and scenarios to ensure efficient operation. Overall, Rational Power Management appears to deliver substantial real-world savings, immediate and long-term, while also contributing to better mains management and overall system efficiency. The potential reduction in current consumption and operation costs also adds a significant environmental benefit, making it a win-win for system owners seeking both performance and sustainability.

The Power of Lake Processing

The PLM 8K44's integration of exclusive Lake Processing algorithms truly elevates its capabilities in audio signal management and processing. It's impressive to note the inclusion of four full-featured Lake modules, offering four discrete channels of audio throughput from input to output. The versatility in input sources, from analog and AES3 digital inputs to dual redundant Dante networked digital inputs, ensures compatibility with various audio setups. The ability to individually select input signals for each channel and programmable failover options for prioritized inputs offer a high degree of control and reliability in managing audio sources. The onboard Lake Processor appears to be comprehensive, featuring group control and sophisticated Raised Cosine MESA EQ asymmetric filters, designed to match the responses of different loudspeaker systems. The LimiterMax peak and RMS limiters seem to set a high industry standard for both loudspeaker protection and maintaining sonic transparency, a crucial aspect in professional audio environments.

The Lake Controller software's unified interface for controlling Lake functions and monitoring amplifier status and loudspeaker loads seems user-friendly and intuitive, optimized for wireless tablet PCs. Its seamless integration with third-party sound system measurement, optimization, and control software further enhances its flexibility and usability. The capabilities of Lake Processing in providing various crossover options, from classical to linear-phase crossovers with slopes exceeding 180 dB per octave, demonstrate a commitment to offering precise control over audio signals, aiming to minimize issues like lobing and off-axis cancellation for improved sound quality. Overall, the combination of exclusive Lake Processing algorithms and the comprehensive features integrated into the PLM 8K44 positions it as a robust and adaptable solution for managing audio signals in professional setups, providing precise control and high-quality sound management.

CAFÉ for Green Credentials

The CAFÉ software suite appears to be an invaluable tool for optimizing the PLM 8K44's configuration and monitoring, ensuring efficient operation while offering comprehensive system surveillance. Its ability to configure Rational Power Management (RPM) and other amplifier features like ISVPL and Breaker Emulation Limiter (BEL) indicates a sophisticated level of control over the amplifier's functionalities. What's particularly interesting is CAFÉ's environmental consciousness. By combining RPM configuration with its predictive abilities, it estimates average mains current draw and generated heat accurately. Pairing this with the PLM+ Series' innovative power supply technologies and BEL allows for safeguarding mains draw to predicted levels. This precision in mains management and thermal control doesn't just avoid over-specification but enables a more accurate provision of mains distribution, cabling, and cooling, ultimately reducing lifetime running costs and lessening environmental impact. The reduction in demands on UPS systems is another significant benefit, contributing to overall efficiency and potentially lowering operational costs in terms of power backup solutions. It's impressive to see how this technology suite not only enhances operational efficiency but also places emphasis on sustainability, reducing environmental impact, and lowering overall running costs, which is a great step forward in responsible and efficient audio system management.

Allocate Power Where it is Needed

RPM Provides ultimate flexibility of power output allocation across channels to match specific load requirements, enabling more efficient use of amplifier inventory.

More is More: Power, Performance and Processing

PLM+ offers unprecedented levels of refined performance, double the processing power, and even better overall efficiency – proven, tested and trusted.

CAFÉ with ESP: Configuration, Control and Monitoring

Lab Gruppen’s dedicated integrated software provides comprehensive system surveillance, reducing running costs and minimizing environmental impact.

PRODUCT FEATURES

  • 88,000 Watt amplifier with 4 flexible output channels and up to 3,800 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 2,000 Watts into 2 Ohms, 4 x 2,000 Watts into 4 Ohms, 4 x 1,500 Watts into 8 Ohms, 4 x 750 Watts into 16 Ohms, 4 x 2,000 Watts into Hi-Z 70 V, 4 x 2,000 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

General
Processing / Network

Lake / Dante

Numbers of amplifier channels

4

Total burst power all channels (share among channels with RPM)

8000 W

Max. Output Power (all ch.’s driven)
  • 2 ohms - 2000 W
  • 2.67 ohms - 2000 W
  • 4  ohms - 2000 W
  • 8 ohms - 1500 W
  • 16 ohms - 750 W 
  • Hi-Z 70 V -  2000 W
  • Hi-Z 100 V -   2000 W
Max output power single channel
  • 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)

Any channel has potential to deliver the max single channel output power

Default voltage limitation (can be lifted with RPM configuration

155 V

Protection features

Current Average Limiter (CAL), Very High Frequency Protection (VHF), Direct Current Protection (DC), Shirt Circuit Protection, Current-Clip Limiter, Voltage Clip Limiter, Temperature protection

Output Circuitry

Class TD

Mains power
Nominal voltage

100 - 240 V AC 50 - 66 Hz

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

Power factor Correction (PFC)

>0.98 for mains power > 400 W

Regulated switch mode power supply

Yes

Breaker Emulation Limiter (BEL)

Configurable current threshold and breaker profile

BEL max current threshold

15 A

Power Average Limiter (PAL)

Yes

Under Voltage Limiter (UVL)

Yes

Mains under voltage and overvoltage protection and mains glitch tolerance

Yes