Soundcraft SM-20 and other Soundcraft large desks 19 pin PSU link power cable You can identify them by

You can identify them by the holes as this has a triangle one on the left I think its on the A-2300SX A-3300SX as well not sure about that

Really lovely head cover in very good condition

there may be other panels on this mixer but this is what i have now

they are a heavy unit and expensive as  solid aluminum and brass

Soundcraft SM-20 and other Soundcraft large desks 19 pin PSU link power cable You can identify them byThis was from the SM 20 but the CPS800 power supply that powered it was used widely for these big mixing desks so anywhere you see this power supply or others like it with this large round 19 way Amphenol connector on they will suit. This is a male to male power link cable and is used when you need to add a second power supply for reliability contact for freight options