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Lab.gruppen PLM 20000Q

FOH Staff • New Gear • November 23, 2010

Lab.gruppen's PLM 20000Q is the new flagship of the PLM Series of Powered Loudspeaker Managements systems. The new PLM 20000Q seamlessly integrates two full-featured modules of Lake Processing with four channels of power amplification, each rated at 5000 watts output. Along with powerful output capacity, the four-channel amplifier is housed in a 2U chassis weighing 37 lbs.
The PLM 20000Q features a new universal power supply with power factor correction (PFC) that allows extended bursts without sagging rails, and extreme low frequency beats will not affect mid- and high-frequency headroom. Also, with a differentiated load on the four outputs, a higher wattage can be delivered to the more heavily loaded channel while peak voltage remains accessible on all channels. In addition, new limiter profiles are designed to improve performance when the desire for increased SPL exceeds allowable limits.


The PLM 20000Q also features Breaker Emulation Limiter (BEL) to prevent tripping of mains breakers and peak limiting circuits that keep output devices inside operating tolerances and below the thermal protection threshold. The new Under-Voltage Limiting (UVL) also allows continued operation even when mains supply is as low as 65 V.


The PLM 20000Q delivers 5000 watts output per channel with all channels driven into optimum impedance interval of 2.2 to 3.5 ohms. Output per channel into 4 Ohms is 4400 watts, all channels driven. Peak output voltage is 194 V, while THD +N at 1 kHz and 1 dB below clipping is less than 0.04 percent.


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