waynepunkdude Posted November 30, 2008 Share Posted November 30, 2008 My XLR on my Ampeg B2R works fine but I get a high pitch buzzing noise through it, any idea if there is an easy fix? Quote Link to comment Share on other sites More sharing options...
BigBeefChief Posted November 30, 2008 Share Posted November 30, 2008 Have you checked for bees? Quote Link to comment Share on other sites More sharing options...
waynepunkdude Posted November 30, 2008 Author Share Posted November 30, 2008 [quote name='BigBeefChief' post='341023' date='Nov 30 2008, 12:12 PM']Have you checked for bees?[/quote] I sprayed some Raid in there but that didn't do the trick. Quote Link to comment Share on other sites More sharing options...
escholl Posted November 30, 2008 Share Posted November 30, 2008 what is it connected to? a mixer? also, have you tried engaging and/or disengaging the ground lift (assuming there is one)? That may fix the problem. Quote Link to comment Share on other sites More sharing options...
waynepunkdude Posted November 30, 2008 Author Share Posted November 30, 2008 [quote name='escholl' post='341029' date='Nov 30 2008, 12:16 PM']what is it connected to? a mixer? also, have you tried engaging and/or disengaging the ground lift (assuming there is one)? That may fix the problem.[/quote] I've connected it to a few different things same result, it doesn't have a ground lift. Quote Link to comment Share on other sites More sharing options...
escholl Posted November 30, 2008 Share Posted November 30, 2008 [quote name='waynepunkdude' post='341035' date='Nov 30 2008, 12:22 PM']I've connected it to a few different things same result, it doesn't have a ground lift.[/quote] don't know then Quote Link to comment Share on other sites More sharing options...
BOD2 Posted November 30, 2008 Share Posted November 30, 2008 It could be a "ground loop" (which is what a "ground lift" switch is designed to eliminate). If you're handy with a soldering iron and don't mind messing up one of your cables you could try cutting the earth/ground wire from ONE of the XLR connectors in the cable you use to connect to the mixer. Cut it at one end only and make sure the loose ground wire cannot touch anything. Now try connecting it up using this cable. If it still buzzes then it's not a ground loop. If the buzz is gone then mark the modifed cable clearly and always use this cable to connect it with. Quote Link to comment Share on other sites More sharing options...
jmesa Posted November 30, 2008 Share Posted November 30, 2008 I reckon it would be 90% more punk to mic your cab :brow: Quote Link to comment Share on other sites More sharing options...
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