Crest adds to CPX Series
Peavy Commercial Audio brand, Crest Audio, has announced a continuation of the CPX Series of professional power amps to include the CPX 1, CPX 2 Class A-B, CPX 3 and CPX 4 Class H. With power ranging from 480W to 1,600W per channel, the amplifiers are designed to operate at line voltages as low as 50% of nominal and can drive loudspeaker circuits as low as 2Ω per channel or 4Ω when set to bridge mode.
An exclusive feature of the CPX Series is Crest’s GCL (gain comparator limiting) system with a rear panel defeat switch. The GCL monitors input/output gain, reduces the signal when distortion or excessive high current conditions occur and protects the loudspeakers from dangerous transients and unexpected level changes.
Beyond GCL, the amps offer audio processing capabilities, including two channel independent crossovers and a subsonic filter. The crossover frequencies are fixed at 150Hz (CPX 1/2/3) or 100Hz (CPX 4), allowing loudspeaker subwoofers to be driven at high sound pressure levels while the filter cuts at 40Hz to prevent low-end rumble. The crossovers have direct outputs via heavy-duty, industry-standard connectors with THRU/LOW out and HIGH out TRS jacks. Channel output sections feature dual shock-proof binding posts (CPX 1/2/3) and four-conductor twist-lock connectors. For inputs, the CPX Series features combination XLR/¼-inch connectors with an added barrier strip for permanent installations (CPX 1/2/3).
The front panel provides calibrated gain controls and LED indicators for power, signal presence, thermal protection and distortion detection activation on each channel. A front panel rocker switch controls the mains power. The rear panel contains an IEC power connector, line voltage selector switch, dual primary fuses and a two-speed DC cooling fan opening. There is also a mode selector switch for stereo and bridge-mono operation, a toroidal power transformer and a line voltage selector switch for 115V or 220V to 240VAC operation.
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