Skezza Posted January 17, 2012 Share Posted January 17, 2012 (edited) I have a 2 x 10 with an adjustable horn tweeter which I always have turned right off. The other night when we were setting up to play our guitarist said he could here a sort of crackling very faintly. He is a pain for tracing the slightest buzz any way it was the tweeter in my 2 x 10 even though it was turned off making a slight crackling like old radio static. will I need to diconnect the tweeter to stop it altogether and was it as i suspect a product of neon lights low volage downlighters and 50 year old electrics in the pub skez Edited February 1, 2012 by Skezza Quote Link to comment Share on other sites More sharing options...
leftyhook Posted January 17, 2012 Share Posted January 17, 2012 the pub may have cause a hum, or constant buzz, but a crackle? Maybe the crackle was just a buzz being enhanced as you played? I will leave it to the electrical experts on the forum. I will say that it always seems to be the bass player, doesn't it? Quote Link to comment Share on other sites More sharing options...
EBS_freak Posted January 18, 2012 Share Posted January 18, 2012 I had a similar problem and it turned out to be that the circuit board in the amp had actually come a little loose. I tightened up the screws and applied a little silicon over the top of them. No problem. It may not be this but it took me ages to find as I was concentrating on the cab itself, the power and the surroundings rather than the amp itself! Quote Link to comment Share on other sites More sharing options...
shizznit Posted January 18, 2012 Share Posted January 18, 2012 Tweeter horns operate with very little power and can be quite sensitive to unstable electric current. I have come across this problem a few times before myself. If the crackling is not there when the amp is home then problem identified, but failing that doing a quick general health check like EBS_Freak did won't hurt. Tweeter problems are generally easy to diagnose and remedy. Quote Link to comment Share on other sites More sharing options...
stevie Posted January 18, 2012 Share Posted January 18, 2012 It could be one of several things, of course, but you should check out the L-pad used to control the volume of the tweeter. As you've had the tweeter turned down, the L-pad has been on its maximum setting all the time. Just adjust the control a little with the amp on. If it crackles, you've found the culprit. Quote Link to comment Share on other sites More sharing options...
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