Phil Leigh;595836 Wrote: > Just to be clear on this, a "ground lift" switch disconnects the chassis > ground from the signal ground. It does NOT remove the chassis ground, > which is what you do if you plug a 3-pin plug into a 2-pin socket!. > > > The general advice on this is that if equipment is shipped with a 3-pin > plug, it MUST go into a 3-pin socket (UK and US codes differ slightly on > this point). > > There IS a risk (albeit VERY slight) of electric shock in the event of > an internal fault which allows the chassis to become live, if you have > disconnected (not lifted!) the Ground. > > The proper fix here is to figure out why you have a ground loop. Is the > equipment sitting in a metal rack? That is often the cause of such > problems. > > I would disconnect all equipment from the "outlet" apart from pre-amp, > power amp and TP and see if the hum persists.
aha. learned something new about a ground lift! And of course the best answer is to resolve the ground loop issue! -- garym ------------------------------------------------------------------------ garym's Profile: http://forums.slimdevices.com/member.php?userid=17325 View this thread: http://forums.slimdevices.com/showthread.php?t=83978 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles