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The Galaxy Audio DSPOT DS-CP22 Dual Channel Compressor Limiter is designed for installed and portable live sound reinforcement applications. The 1RU rackmountable digital signal processor features balanced XLR and 1/4" inputs and outputs. It features a stereo RMS compressor, a peak limiter with a noise gate, an automatic gain control, a 7-band equalizer, and a sub harmonic synthesizer.
The RMS compressor uses the root mean square of the incoming signal as a control parameter for a more natural musical sounding compression. It features selectable hard/soft knee parameters and an adjustable input to output ratio that is accurate within 0.1 dBu. The automatic gain control (AGC) is a dynamic expansion/compression process for maintaining the average amplitude of an output signal by expanding it when it is below the defined threshold and compressing it when above the threshold.
The peak limiter is used to keep the output signal within a designated threshold to prevent the signal from clipping a power amplifier or speaker. The subharmonic synthesizer is a processor that synthesizes the first lower harmonic frequencies between 40 to 500 Hz to add weight and energy to the mix. The 7-band EQ can be used to adjust the input signal with both 1st or 2nd high-pass and 1st or 2nd order low-pass shelving.
The unit can be controlled via the front panel LCD display control interface, via MIDI using the rear panel MIDI in and out connectors or via USB connection to an external PC. Control software is available via an included CD or via download from the manufacturer's website. The unit includes 16 factory memory presets and 16 user memory presets that can be recalled for different applications.