A while back, I wrote about a hum problem that I had trouble with. Since I'm still suffering from it, I thought I'd post back. I've copied my first below, with my intial findings.
As suggested by Skylab, I looked at power conditionners, but found none that would make sense from a budget point of view (I paid 300 euros for the TT and can't justifiy paying that again for an accessory now, however useful it might be).
Since first posting, I've taken care...