Hi,
When playing back tracks from my laptop on other peoples amps if I use my AC cord for power on my laptop I get alot of ground bounce. If I run it from the battery problem solved... For an hour or so.
Short of running an extension cord from a neighbours how can I kill this noise?
Any help would be appreciated.
Thanks.
you need to electrically decouple the audio signal
for example
http://www.palmergear.com/pli04.shtml
I'm sure there are a lot similar solutions elsewhere
Get a better-quality power supply for the laptop that does not generate so much noise on the ground line (not "ground bounce" - that is something altogether different associated with switching logic).
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