Introduction; Welcome; Main Features - Lab.gruppen PLM 20K44 Operation Manual

2. Introduction

2. Introduction

2.1. Welcome

Thank you for choosing the Lab.gruppen PLM+ Series of Powered Loudspeaker Management systems for your
sound reinforcement needs. We are confident that you will be pleased with the performance, unique features,
configuration flexibility, reliability, and long-term durability offered by this product.
For fast installation and use of this product, your welcome package includes a printed copy of the PLM+ Series
Quick Start Guide which contains the information required to safely install the product and place it in service.
Control and editing features are accessible via the front panel interface or via the included Lake Controller software.
It is recommended that the Quick Start Guide and all product documentation on the included USB key is reviewed
to ensure familiarity with the various configuration and control options.
Thank you again for placing your confidence in Lab.gruppen products.

2.2. Main Features

The PLM+ Series incorporates a number of sophisticated technologies to ensure the best possible performance
and many years of reliable operation. The following section summarizes the benefits of each feature; additional
information is available in the reference manuals.
2.2.1. Amplifier Platform
The PLM+ Series power output section has expanded upon Lab.gruppen's robust, road-proven
PLM 20000Q amplifier. Features common to both platforms include extraordinary power density; 4 channels of
patented Class TD® output stages, a Power Factor Corrected (PFC), Regulated Switch Mode Power Supply
(R.SMPS™), the high-efficiency Intercooler® copper-finned cooling system, and a full suite of protection features,
including the Breaker Emulation Limiter (BEL). Signal inputs are analog, AES digital, and Dante digital audio
network.
2.2.2. Amplifier DSP (Digital Signal Processor)
Various features of PLM+ Series devices are controlled by the on-board DSP, some of which are summarized in
this section.
2.2.2.1. Input Gain (Sensitivity)
Input gain (sensitivity) is set in the digital domain for PLM+ Series devices, and may be controlled via the Lake
Controller software or front-panel interface.
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PLM+ SERIES Operation Manual rev 1.0.0