Architect's & Engineer's Specifications

The unit shall be a 1u rack-mountable digital audio matrix processor for loud speaker management, capable of two (2) input channels and six (6) output channels, all independently assigned. The unit shall operate at 96 kHz sample rate and 24-bit Delta-Sigma A/D and D/A conversion. The system latency from analogue input to output shall not exceed 3.5ms. All input channels shall provide the following processing: Gain, Mute, HP and LP filters, 8-band PEQ, Polarity and up to 680ms of Delay. All outputs shall provide the following processing:  9-band PEQ, Gain, Compressor/ Limiter, Polarity, up to 680ms of Delay, and mute. All speaker processing outputs shall provide the following processing: Crossover & band-pass filters selectable between Butterworth, Bessel or Linkwitz-Riley each with alignments from 1st order (6 dB/Oct) to 8th order (48 dB/Oct). EQ filter types include PEQ, Low-Shelf, Hi-Shelf, Low Pass, High-Pass, All-Pass1 and All-Pass2. The unit shall have (two) 2 balanced XLR inputs and six (6) balanced XLR outputs. All output channels shall be routable to any local output. An USB B port on the front panel and an RJ-45 Control Network port on the rear of the unit shall be provided for connection to a networked PC running the devices proprietary editor software. The unit shall provide the facility to save presets. The presets shall be nameable and a descriptive text entry per preset provided. The unit shall have an integrated power supply accepting AC mains voltages of 95 to 240 VAC, 50/60Hz, 15W max via an earthed 3-pin IEC male connector mounted on the rear chassis. The unit shall be no more than 1.75 inches (45 mm) high by 19 inches (483 mm) wide by 8.25 inches (205 mm) deep weighing no more than 5.28 pounds (2.4 kg). The digital audio matrix processor shall be the Crest Audio PCX 260 or approved equivalent.