Members Nathanisking Posted January 5, 2013 Members Share Posted January 5, 2013 Hi guys I could really use some input here, I just got an EVH 5150 III 50 watt and it is a fantastic amp. However an issue has arisen today that is bothering me. I had my pedal board all setup (unchanged for over 1 year) all plugged in with a Carbon Copy in the loop. I put the amp on, waited then put in on stand by. I stomped on the footswtich from green to blue and BOOM loud popping noise. All channels are doing this. So I go straight into the amp with guitar, and its fine. Then I just run the pedals up front (Wah/Phaser/Flanger) no popping. Then I just run the FX Loop, no popping however when I engage the FX loop on the footswitch, Massive hum on all channels. I tested all the pedals up front individually no channel popping or hum If I put one pedal in the FX loop with no pedals up front, massive hum but no channel popping. I don't understand what is happening, the amp was working fine a couple weeks ago, and now all these issues? this is my current layout: Guitar ---Wah---Phaser---Flanger Carbon Copy in FX Loop all connected with DC Brick All advice is welcome EDIT: The humming is from the florescent lights in my basement; however all the pedals are hooked up and the channel popping still happens Link to comment Share on other sites More sharing options...
Members Pedaltones Posted January 5, 2013 Members Share Posted January 5, 2013 I haven't a clue what might be causing it circuit-wise but did you try cleaning the jacks of the FX loop? If they haven't been used in a long time there could be oxidation. Link to comment Share on other sites More sharing options...
Members Pedaltones Posted January 5, 2013 Members Share Posted January 5, 2013 I haven't a clue what might be causing it circuit-wise but did you try cleaning the jacks of the FX loop? If they haven't been used in a long time there could be oxidation. Link to comment Share on other sites More sharing options...
Members GREC Posted January 5, 2013 Members Share Posted January 5, 2013 ^^^^^^ Same thing I was thinkin'. If it's hasn't been used in a while probably the issue. Link to comment Share on other sites More sharing options...
Members GREC Posted January 5, 2013 Members Share Posted January 5, 2013 ^^^^^^ Same thing I was thinkin'. If it's hasn't been used in a while probably the issue. Link to comment Share on other sites More sharing options...
Members almost enough Posted January 5, 2013 Members Share Posted January 5, 2013 Check for a ground-loop problem. I run into that issue sometimes when I have pedals plugged into the same power source but within the loop and in front of the amp. Link to comment Share on other sites More sharing options...
Members almost enough Posted January 5, 2013 Members Share Posted January 5, 2013 Check for a ground-loop problem. I run into that issue sometimes when I have pedals plugged into the same power source but within the loop and in front of the amp. Link to comment Share on other sites More sharing options...
Members Nathanisking Posted January 6, 2013 Author Members Share Posted January 6, 2013 Well the humming was from my basement lights so the humming is out of the question Things I've determined: -Plug all the pedals in the DC Brick and run them in front of the amp, no channel popping but the pedals do pop when engaged -Plug all the pedals in the DC Brick and run them in the loop, no channel popping but the pedals do pop when engaged -If I have my Wah, Phaser and Flanger plugged into the DC brick and the Carbon Copy into the loop with a battery, no channel popping but the pedals in connected to the DC brick to pop, not loudly but it is noticeable Would switching to a Voodoo Lab power supply help maybe plugging all the pedals into the DC brick since it doesn't have isolated ports? Link to comment Share on other sites More sharing options...
Members Nathanisking Posted January 6, 2013 Author Members Share Posted January 6, 2013 Well the humming was from my basement lights so the humming is out of the question Things I've determined: -Plug all the pedals in the DC Brick and run them in front of the amp, no channel popping but the pedals do pop when engaged -Plug all the pedals in the DC Brick and run them in the loop, no channel popping but the pedals do pop when engaged -If I have my Wah, Phaser and Flanger plugged into the DC brick and the Carbon Copy into the loop with a battery, no channel popping but the pedals in connected to the DC brick to pop, not loudly but it is noticeable Would switching to a Voodoo Lab power supply help maybe plugging all the pedals into the DC brick since it doesn't have isolated ports? Link to comment Share on other sites More sharing options...
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