Thanks for this info however it does not really explain why I heard the sudden and major magic improvement with the M-Scaler attached to the Qutest only when operating at x16 upsampling through the DBNC - and much less so at x2 & x4 and even x8 even though presumably all sampling rates are...

These questions may have been asked before - if so apologies beforehand but there are a lot of previous pages to read through! I recently listened to a colleague’s M-Scaler connected by dual BNC to my Chord Qutest DAC (using its ‘inclusive neutral’ filter). I heard useful improvements from the...