http://forum.lowyat.net/ Thu, 01 Oct 2026 10:12:25 +0800 FeedCreator 1.7.2 http://forum.lowyat.net/topic/769794 dear all, my amp 'aura' got some humming noise from speakers but once i hv disconnected the 3-pin plug's earth then the noise gone....anyone knows how could this happened?? thnks... wilm3 Audiophiles Mon, 18 Aug 2008 19:07:58 +0800