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<blockquote data-quote="brian maddox" data-source="post: 48072" data-attributes="member: 158">Re: Acoustic guitar into passive DIi have to side with silas in saying this screams battery issue, regardless of what the player said.that being said, think back to your troubleshooting and look for any common areas that you didn&#039;t swap out.&nbsp; you mention a different DI and a different desk channel.&nbsp; did you also swap the XLR cable from the DI to the snake?&nbsp; what about the snake channel?&nbsp; the symptom you describe also sounds very much like a &#039;one legged&#039; signal.&nbsp; such a thing would not show up in the &#039;1/4&quot; tap test&#039; but certainly would manifest itself in the way that you described...if indeed you did swap out everything in the signal chain from his guitar to your system, then barring an unfortunate double failure coincidence [which regrettably does happen] you&#039;re left with the only possible culprit, which is the guitar itself...it&#039;s awful when you have to troubleshoot under the gun.&nbsp; but being able to do so calmly and methodically is a rare and valuable skill worth honing.&nbsp; unasked for tip for next time out.&nbsp; when you&#039;re testing anything, try to duplicate as close as possible the actual situation.&nbsp; it&#039;s a little hard to carry around a guitar to test your lines with.&nbsp; but you can carry a dynamic mic [sm58 is fine] with an xlr to 1/4&quot; unbalanced adapter on it.&nbsp; if that works and sounds good [ish] plugged into your DI, then anything else plugged in should work as well.&nbsp; given the &#039;no sound check band goes on live&#039; scenario you mentioned, i would have taken it a step farther and put phantom on the two DI lines and checked them with an active DI or a condenser mic in case the talent brought their own DI&#039;s.&nbsp; being crazy cautious pays off in this business.&nbsp; but given the heat you just experienced i suspect you&#039;ve learned that already.&nbsp; <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile&nbsp; &nbsp; :)"&nbsp; data-smilie="1"data-shortname=":)" /></blockquote>

[QUOTE="brian maddox, post: 48072, member: 158"] Re: Acoustic guitar into passive DI i have to side with silas in saying this screams battery issue, regardless of what the player said. that being said, think back to your troubleshooting and look for any common areas that you didn't swap out. you mention a different DI and a different desk channel. did you also swap the XLR cable from the DI to the snake? what about the snake channel? the symptom you describe also sounds very much like a 'one legged' signal. such a thing would not show up in the '1/4" tap test' but certainly would manifest itself in the way that you described... if indeed you did swap out everything in the signal chain from his guitar to your system, then barring an unfortunate double failure coincidence [which regrettably does happen] you're left with the only possible culprit, which is the guitar itself... it's awful when you have to troubleshoot under the gun. but being able to do so calmly and methodically is a rare and valuable skill worth honing. unasked for tip for next time out. when you're testing anything, try to duplicate as close as possible the actual situation. it's a little hard to carry around a guitar to test your lines with. but you can carry a dynamic mic [sm58 is fine] with an xlr to 1/4" unbalanced adapter on it. if that works and sounds good [ish] plugged into your DI, then anything else plugged in should work as well. given the 'no sound check band goes on live' scenario you mentioned, i would have taken it a step farther and put phantom on the two DI lines and checked them with an active DI or a condenser mic in case the talent brought their own DI's. being crazy cautious pays off in this business. but given the heat you just experienced i suspect you've learned that already. :) [/QUOTE]

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