I would have to agree, in the install manual Murray lays out several additional grounds to implement. It gets even better if you replace the lousy factory PSU.
On Dec 4, 2013, at 4:16 AM, David Davis <feline1@feline1.co.uk> wrote:
I'd recommend the Kiwisix replacement PSU board - I recently had that fitted to my Polysix by SynthProf, and the reduction in noise on the audio output was very noticeable - I mean we're talking about 6dB kind of improvement, going by my ears.