Quote:
Originally Posted by
hellofishy
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At the bottom left of the amp the hum is least noticable. So doo you think this is the case? and if so, how do so many people close mic their amps with sm57s and not experience this?
I'm almost certain that this is the issue. But I've never used a ac15 ( I got a monster shock of an old ac30 once ). As to how folks dodge the hum, I dunno, I guess some amps are worse than others?
Did you buy the ac15 new? If not, has the mains transformer been replaced? Any other mods?
[edit] and casting my mind back to that shock - does the amp have a good ground / earth?