PLM 10000Q
Power Amplifier
Although based on technology in Lab.gruppen's road-proven FP+ Series, the amplifier platform in the PLM 10000Q Powered Loudspeaker Management system incorporates further enhancements for even greater sustained output power. The basic output topology remains Lab.gruppen's patented Class TD (offering Class D efficiency with the sonic purity of Class B designs), but with new circuitry for substantially greater current-carrying capabilities. The Regulated Switch Mode Power Supply (R.SMPS) is optimized to deliver full power during long low-frequency bursts, as well as maintain stable rail voltages despite fluctuating line voltage.
Load Verification and Continuous Performance Monitoring
The PLM 10000Q includes a revolutionary set of tools for fast, accurate load verification and real-time performance monitoring. The key to both features is the LoadLibrary, a comprehensive database that provides unique 'Fingerprints' (load characteristics) for each loudspeaker model in the system.
Lake Processing
The PLM 10000Q contains four full-featured Lake Processing modules, each offering precise settings for gain, delay, crossover slope, equalization, and limiting. Exclusive Lake Processing algorithms are included for Raised Cosine Equalization, linear phase crossovers, LimiterMax loudspeaker protection, and Iso-Float ground isolation. Raised Cosine Equalization is the foundation for the Lake Mesa EQ and the Ideal Graphic EQ, the two revolutionary EQ interfaces used by the Dolby Lake Processor. Mesa EQ offers asymmetric filtering to match the asymmetric responses of many loudspeaker systems. The Ideal Graphic EQ offers true sum-to-flat response, so the adjustments provide uniform boost and cut along with greater selectivity.
Lake Controller software
Lake Controller software provides a unified interface for control and monitoring of all functions of the Powered Loudspeaker Management system. In addition to controlling all parameters of standard Lake Processing (therefore appropriate for use with Dolby Lake Processors), all new versions provide control and monitoring of exclusive PLM features: digital input gain and attenuation, and load verification and performance monitoring via LoadSmart and SpeakerSafe.
The flexible Lake Controller software environment can control extensive networks of powered loudspeaker management systems from a single computer.
The user interface is based on discrete processing modules, with each module assigned to power outputs normally defined for sets of band-limited drivers (e.g. low, mid, high, subs).
Adjustments can be made in real time to any parameter of any module on the network. Modules may be assigned to groups representing subsystems in larger systems, such as main arrays, delays, and fills in an arena system.
Dante Digital Audio Network
The PLM Series Powered Loudspeaker Management systems are equipped as standard with Dante, a self-configuring digital audio networking solution from Audinate of Australia.
Based on the newest developments in networking technology, Dante provides reliable, sample-accurate audio distribution over Ethernet with extremely low latency.
Dante incorporates Zen, an automatic device discovery and system configuration protocol which enables PLM Series products and other products with Dante (like Dolby Lake Processors) to find each other on the network and configure themselves.
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Used LAB.Gruppen
LAB.Gruppen is a Swedish sound equipment company, based in Kungsbacka, Sweden, dedicated to building mainly public address power amplifiers. It is owned by Music Group which also holds Midas, Behringer, Turbosound, TC Electronics and others. As of 2007 the company had 130 employees.
Kenneth Andersson and Dan Bävholm founded Lab.gruppen in 1979. They first met as schoolboys when they shared an interest in electronics.Andersson and Bävholm's first project was a hand-made mixing console. It was used as part of the Front of House equipment for a concert by Eartha Kitt. They created other mixers and a series of guitar heads and combos. Their intermittent manufacture of mixers and guitar amplifiers continued through the formal establishment of Lab.gruppen in 1979.
The company was located inside a local hi-fi store, where the duo serviced consumer equipment for additional income. It was here that the company's first professional audio power amplifier was created.
Between the LAB 4000 and FP Series 6400, Lab.gruppen engineers continued to advance and refine their products. The LAB Series was overhauled and augmented and subsequently became the FP range. FP designs were upgraded to meet the stringent new EMC standards in Europe, and adoption of UL safety standards allowed them to be sold in the United States. Standardization of internal components between models increased manufacturing efficiency to keep pricing competitive in all new markets.
In the late 1990s, the founders brought in new ownership and a managing director. In July 2000, Lab.gruppen was acquired by the TGI Group of the United Kingdom, and a few months later Tomas Lilja was chosen as managing director.
In early 2002, the TGI Group was acquired by TC Group of Denmark, the current corporate owner. In 2004, the company moved to its new location at Faktorvägen. Both Andersson and Bävholm remained with the company following the acquisitions.
In 1998, Lab.gruppen engineers undertook the long-term development of a new amplifier platform. The complete range would have four bridgeable amplifier channels and an integrated monitoring and control network. The basic technology of both the power supply and output stages was taken from the proven FP range, but with significant upgrades to reduce the number of components required.
Designated the C Series and targeted at the installation market, the first amplifiers of this design were shipped in the summer of 2005. This was followed up by the release of FP+ in 2006 and PLM Series in 2007.
The PLM Series was the first Lake processor with integrated amplification and it as it was embraced by the market Lab.gruppen acquired the exclusive rights to the Lake brand and the Lake processing for professional applications in touring and fixed installations late 2008.
The E Series was the first amplifier range with more than 200 W per channel that got the Energy Star approval when it was launched in 2011. More amplifiers with Energy Star were added with the LUCIA models in 2013.
In 2014, Lab.gruppen launched D Series for installations with audio over the network and PLM+, a successor to PLM Series.
In 2015, Lab.gruppen and the other brands of TC Group were acquired by Music Group.
In 2016, Lab.gruppen expanded the E and LUCIA product lines so that there are now 15 models with Energy Star.
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Efficiency Rating: Level of sound output measured at a prescribed distance with a standard input power. Efficiency rating standard is 1 watt (2.83V at 8 ohms) at 1 meter over a specified frequency range and is measured in decibels.
Equalization: Loosely, any type of relative frequency adjustment. Specifically, the process of changing the frequency balance of an electrical signal to alter the acoustical output.
Equalizer: A component designed to alter the frequency balance of an audio signal. Equalizers may be graphic, parametric, or a combination of both.
Fade: A gradual increase in audio, i.e. a fade-up, or a gradual decrease in audio, i.e. a fade-down.
Feedback: The transmission of current or voltage from the output of a device back to the input, where it interacts with the input signal to modify operation of the device. Feedback is positive when it’s in phase with the input and negative when it's out of phase.
FM: Frequency Modulated.
Frequency: The number of cycles (vibrations) per second. In audio, audible frequencies commonly range from 20 to 20,000 cycles per second (Hz). In video, frequency is used to define the image resolution. Low-frequency video images depict large objects or images. Higher frequencies depict smaller objects (finer details.
Frequency Response: A measure of what frequencies can be reproduced and how accurately they are reproduced. A measurement of 20 to 20,000 Hz, 3dB means those frequencies between 20 and 20,000 Hz can be reproduced no more than 3 dB above or below a reference frequency level.
Full-Range: A speaker designed to reproduce the full range (20 Hz to 20 kHz) of audio frequencies.
Gain: Increase in level or amplitude.
Gooseneck: This refers to a microphone with a flexible neck that is most frequently attached to a podium or lectern. It is designed to allow the speaker to raise or lower the microphone to a suitable height.
Graphic Equalizer: A type of equalizer with sliding controls that creates a pattern representing a graph of the frequency-response changes. Raising sliders boosts the affected frequencies lowering sliders cuts (attenuates) the affected frequencies.
HDCP: High-Bandwidth Digital Content Protection. Created by Intel, HDCP is used with HDTV signals over DVI and HDMI connections and on D-Theater D-VHS recordings to prevent unauthorized duplication of copyright material.
HDR: Hard-Drive Recorder. Device that uses a computer hard drive to store compressed digital audio and video signals.
High Pass: A filter that passes high frequencies, and attenuates low frequencies. Same as low cut.
Hz: Hertz or cycles per second. Something that repeats a cycle once each second moves at a rate of 1 Hz.
Incue/Inq/In-Point: These words all refer to the initial few seconds of audio signifying the beginning of the production.
Integrated Amplifier: A combination preamp and amplifier.
Impedance: A measure of the impediment to the flow of alternating current, measured in ohms at a given frequency. Larger numbers mean higher resistance to current flow.
KHz: Kilohertz or one thousand Hz.
Lavaliere: A small microphone that attaches to clothing, allowing the speaker to have a hands-free presentation.
Line Array: A group of speakers that have been arrayed or ” built up” in the vertical or horizontal plane, which allow for a highly consistent sound field. A Line Array is perfect for medium to large audiences.
Line-Level (Low-Level): A level of electrical signals too low to make the average speaker move sufficiently. Amplifiers receive line-level signals and amplify them to speaker level.
lockout: The final words of a segment used to signify the production’s conclusion.
Low Pass: A filter that lets low frequencies go through but doesn’t let high frequencies go through. Same as high cut.
MHz: Megahertz, or 1 million Hz.
Midbass: The middle of the bass part of the frequency range, from approximately 50 to 100 Hz (upper bass would be from 100 to 200 Hz). Also used as a term for loudspeaker drivers designed to reproduce both bass and midrange frequencies.
Midrange: The middle of the audio frequency range. Also used as a term for loudspeaker drivers designed to reproduce this range.
Mixer: This is the unit in which audio signals are directed from. A mixer provides for both mic and line input combinations while allowing you to control one or more outputs.
MLP: Meridian Lossless Packing. Encoding format that is able to completely reconstruct the original signal at the receiving end. No information is lost or discarded, regardless of how trivial it might be. Used to encode six channels of high-resolution audio on DVD-A.
Mono: Monophonic sound. One channel.
MP3: MPEG-1 Audio Layer-3. Compression scheme used to transfer audio files via the Internet and store in portable players and digital audio servers.
Natural Sound (NATS): The nonverbal audio that occurs in a non-studio setting. NATS can be used to help characterize the setting.
Noise: An unwanted portion of a signal such as hiss, hum, whine, static, or buzzing.
Nonlinear Editing: Digital audio systems that allow for clips to be extracted without affecting the master recording.
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Second hand audio gear. | Second hand lighting.
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Light trussing, Gebrauchte Veranstaltungstechnik, used stage equipment Stage & Theatre lighting products.
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