^ correct, it was a problem with the Toroid from the factory. I never saw 1 BD500 ever in a store that did not do this. My friend phoned down to RF and they told him to just bang his hand on the heat sink and it will go away [img]graemlins/freak.gif[/img]


I miss the old RF, when quality control was a concern of thiers [img]graemlins/headbang.gif[/img]


The buzzing wont effect the amp though if that helps, it is just annoying