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Thread: 5150 combo problem.
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02.21.07, 09:05 PM #1
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5150 combo problem.
Alright, so I'm playing my 5150 combo and I start getting this really shrill squeal coming through the amp with my guitar...it's not really a feedback squeal, but some really high-pitched "hum". So, I jiggle my cord around at the input of the amp and it stops, then I start playing and a few minutes later it starts again until I jiggle the cord around again, and so on. Now, given some of the "pops" I'm getting when I do move my cord I'm led to believe that I have a loose connection at the input jack going into the amp. But, my guitar doesn't ever drop out so I'm not sure if it's a connection problem or not. And it's definitely not a bad cord cause I tried several different ones and the same thing happened. Anyways, have any of you guys experienced this before? I guess I'm obviously going to have to take it to a tech, but the problem is that it's an hour and a half drive to the nearest one. If it's just a connection problem at the jack, I could probably just re-solder it myself.
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02.21.07, 10:21 PM #2
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Hmmm, tough one. I think hum you describe sounds like you could have a ground problem--if so, re-soldering the input jack wouldn't solve that problem. If you aren't quite sure, I would definitely brave the hour drive and have someone take care of it who knows what they are doing.
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02.21.07, 10:56 PM #3
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"Squealing" also might indicate a bad tube.
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02.21.07, 11:50 PM #4
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Nope, these are all brand new tubes.
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02.22.07, 11:29 AM #5
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bcgvh, do you think you could guess as to how many cycles the hum is? 60? 90? 120? etc.
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02.22.07, 01:52 PM #6
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