Crookwood C2 monitoring controller

Crookwood C2 monitor controller. 8*8 digital router & D/A with analogue in. Gas-filled relays for accurate tracking and no image shift. Find out more here: https://www.soundonsound.com/reviews/crookwood-c2 https://crookwood.com/audio-monitoring/c2-monitor-controller/ With new power supply and upgraded D/A by Crookwood. Receipt available. At the same time the power supply failed, I had to take my mastering room apart, and I just don't have the heart to continue with mastering professionally.