LAB GRUPPEN PLM 8K44 BP 8,000-Watt Amplifier with 4 Flexible Output Channels on Binding Post Connectors and Lake Digital Signal Processing and Digital Audio Networking for Touring Applications (PLM 8K44 BP)

LAB GRUPPEN PLM 8K44 BP 8,000-Watt Amplifier with 4 Flexible Output Channels on Binding Post Connectors and Lake Digital Signal Processing and Digital Audio Networking for Touring Applications (PLM 8K44 BP)

The PLM 8K44 is an evolution in powered loudspeaker management systems, representing the culmination of Lab Gruppen's renowned PLM series. It retains its proven reliability and performance while introducing a new feature set that redefines its capabilities. By combining a 4-in, 4-out configuration with Dante Networking, the PLM 8K44 establishes a new standard in its category. The added ability to optimize power allocation between channels enhances its performance, ensuring efficient power usage tailored to specific load conditions. This feature, coupled with twice the processing power via the latest Lake Controller release, contributes to setting a new benchmark in the industry. This system integrates powerful amplification with advanced signal processing and audio management, offering a comprehensive solution for various audio setups. Its unique strength lies in the complete integration of all system components, from networking and audio I/O to signal processing, amplifiers, and power supply. This holistic integration allows for unparalleled control and monitoring of the entire platform, providing distinct operational advantages. Overall, the PLM 8K44 stands out as a powerhouse in the realm of powered loudspeaker management systems, combining robust amplification with cutting-edge signal processing and seamless integration for comprehensive control and monitoring.

Rational Power Management (RPM)

The Rational Power Management (RPM) technology within the PLM 8K44 introduces an unprecedented level of control over power allocation across amplifier channels, providing designers and systems technicians with remarkable flexibility. This feature allows for the precise distribution of available output power among the four channels, tailoring power allocation to match specific load conditions for optimized performance. One of RPM's standout benefits is its capability to prevent amplifier over-specification or the need to bridge adjacent channels to meet the demands of power-hungry loads. This not only safeguards against a loss of channel count but also contributes to minimizing equipment costs, reducing rack space, and enhancing long-term energy efficiency without compromising sonic performance. The ability to tailor each channel to meet the requirements of connected loads and redistribute unused power to other channels is a notable advancement. RPM's incorporation into the CAFÉ software further streamlines the process by allowing users to calculate desired power demands for different loads in various ways. This analysis, considering channel and device constraints, helps guide system designers toward the most effective way of powering the PA system. Rational Power Management isn't just a theoretical improvement; it yields tangible real-world savings, both immediate and long-term. In many scenarios, it allows for specifying fewer amplifiers or opting for lower-cost models while meeting all power requirements. Additionally, it aids in better mains management, preventing over-specification of mains distribution, cooling, and UPS systems where needed. The resulting gains in efficiency for larger systems contribute to reduced current consumption and lower operation costs, representing an environmental benefit ("green bonus") for system owners. Overall, RPM's ability to optimize power allocation in the PLM 8K44 not only ensures efficient performance tailored to specific load conditions but also delivers substantial cost savings and operational efficiencies, making it an advantageous feature for both immediate and long-term system implementations.

The Power of Lake Processing

The PLM 8K44's incorporation of exclusive Lake Processing algorithms brings a new level of sophistication to audio signal management. With four full-featured Lake modules and four discrete channels of audio throughput from input to output, it offers an impressive range of capabilities. The versatility in input sources—four channels of analog (with Iso-Float ground isolation), four channels via AES3 digital inputs, and eight dual redundant Dante networked digital inputs—ensures compatibility across various audio setups. The ability to individually select input signals for each channel, along with programmable failover options, adds a layer of reliability and control in managing audio sources. The onboard Lake Processor, equipped with group control and Raised Cosine MESA EQ asymmetric filters, is designed to match the responses of diverse loudspeaker systems. The LimiterMax peak and RMS limiters establish a high standard for loudspeaker protection while maintaining sonic transparency, crucial for professional audio applications. The included Lake Controller software provides a centralized interface for managing Lake functions and comprehensive monitoring of amplifier status and connected loudspeaker loads. Optimized for wireless tablet PCs, its user-friendly interface with real-time analog faders and controls enhances usability. The seamless integration with third-party sound system measurement, optimization, and control software packages expands its functionality, allowing users to perform spectrum measurement, adjust system EQ, and manage other aspects within the same interface. Lake Processing's offering of classical crossovers (selectable up to 48 dB per octave) and linear-phase crossovers with slopes exceeding 180 dB per octave is impressive. This level of control over crossover capabilities aids in minimizing issues like lobing and off-axis cancellation, contributing to improved sound quality and system performance. Overall, the PLM 8K44's integration of Lake Processing algorithms, coupled with its comprehensive features and user-friendly interface, positions it as a robust solution for managing audio signals with precision and flexibility across various professional audio setups.

CAFÉ for Green Credentials

CAFÉ (Configuring Amplifiers For the Environment) is a software suite that allows the PLM 8K44 to be easily configured and monitored in the most efficient manner possible. In addition to providing comprehensive system surveillance and configuration of RPM and other amplifier features such as ISVPL and Breaker Emulation Limiter (BEL), CAFÉ also includes valuable help to save the environment. In combination with the RPM configuration, CAFÉ can accurately predict estimations of average mains current draw and generated heat, and utilizing the PLM+ Series’ innovative power supply technologies in combination with BEL the mains draw can be safeguarded to a predicted level. The result is precise mains management and thermal control, which allows more accurate (rather than over-specified) provision of mains distribution, cabling, and cooling. This technology suite reduces lifetime running costs and minimizes environmental impact. It also reduces demands on UPS systems.

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

• 8,000 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

• Rugged binding post-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

Max output power single channel

Amplifier output modules (all models, all channels)

Mains power

Power supply features