500VPR 10-Slot 500 Series Chassis + PSU - Perfect Circuit

api 500 slotThe 500 Series, also known as the lunchbox format, refers to a standardized, modular audio equipment format used in professional audio recording and processing. It was orinallyA 500-series chassis needn't be complicated: at heart, it's a metal box, with audio inputs and outputs and a power inlet on the rear, and card