Originally Posted by Andyblues
As suggested by Steve I have re-typed both the 5Ks as the opposite to what they are (LR Surround slave to RR Surround slave and the noise has gone. When I put them back to normal and re-typed, the horrible distorted static noise was back.
Changed them back to the wrong way around and all good again with no noise.

That's really weird. I have no idea but the process is interesting.

Best of luck

Neil

1) MS200, G65, Revivers, DSP5000.2, DSP5000C.2, DSP3100, D1500, SME10/IV.

2) Mac Mini (Roon), Explorer 2, Sennheiser HD6XX.