25-Oct-2017, 07:24
A small step forward: the "pitter-patter" sound was interference from the wi-fi interface searching for the access point (argh! should have recognised that sooner), and it's gone away now I've disabled wi-fi. The other puzzling sounds in the preludes are still there.
Roon (Mac Mini), Wilson Benesch Full Circle, Expert 1000 Pro CI, Kaiser Chiara
Warwickshire, UK