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Low End Feedback/Rumbling On Stage and FOH

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  • #16
    I can't see that his bass amp was the problem. And if it was, hit the HPF on the guitar and you're fixed.

    I wouldn't spend a dime trying to fix the bass, it wasn't the probem. If you play there again, don't piss the guy off, but try to work it out. If the problem eventually was fixed and the 2nd set was fine, he probably found the problem and fixed it. But, he didn't want to look bad and said you were at fault.
    <div class="signaturecontainer"><a href="http://www.TomMatz.com" target="_blank">http://www.TomMatz.com</a></div>

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    • #17
      I mentioned this in that "stupid stories" thread but at battle of the bands at a local high school, there was the low-end rumble (which was caused by my bass amp, which was placed directly in front of the kick drum and mic..), so to fix it, the "sound guy" ran up and first told us that the mics were too close to the amps. I sort of stand there in a daze trying to comprehend what was just said, and my guitarist just goes "okay" and moves the mics like three feet away from the speakers, just to smite him. Later, feedback is still happening and the "sound guy" again runs up to the stage and this time tells everyone backstage to turn off their cell phones and stuff, he says they're causing feedback. Again, I sit there with my head in my hands trying to comprehend what I've just heard.

      Oh well.

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      • #18
        Just tell who ever is running sound to put a gate on the kick (if one is present). Because the kick is hollow, it has a tendency to resonate at low freq, especially with a D112. Another solution, if possible, would be to put the drums on a riser. Your bass amp or the guitar mic won't cause that kind of feed back unless the sound guy has the low end freq cranked. Which at that point he/she should be fired.

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        • #19
          I had this same problem at a out door show, The band was inside a "Band shell trailer" and caused all kids of different problems.

          The source of this was the mic on the guitar amp so i press the low cut button on that channel and problem solved :thu:

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          • #20
            We're playing this Saturday at a place that we've played before. We didn't really have problems with my amp but did get these massive vibrations through the stage (which is not a stage at all but just the dance floor as we set up on one side of it). We're certain that it was the subs. I'm wondering if setting the subs on a couple of 2x4's to get them off the floor might solve this problem.
            <div class="signaturecontainer"><b><font color="Black"><font size="1"><a href="http://www.yardfullacars.com/" target="_blank">I used to play with</a> | <a href="http://www.katiequick.com/" target="_blank">I occasionally play with</a></font></font></b><br ><br><br ><br><font size="1"><br ><br><u>My Main Gigging Gear:</u><br ><br>Musicman Dargie Delight 5HS Bongo with rounds<br ><br>G&amp;L L-2500 Tribute with flats<br ><br>GenzBenz Shuttle 6.0 112 combo<br ><br>GenzBenz Shuttle 9.0 &amp; GenzBenz Neo 212T<br ><br>Peterson Strobostomp<br ><br>Sennheiser EW172 Wireless</font></div>

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            • #21
              FWIW, a scrap of carpet works as well as those Auralex Gramma's. For that matter, even a scrap of carpet padding. Anything that dampens vibration will reduce transmission of stage rumble from a speaker.
              Write something...

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              • #22
                Originally posted by Craigv
                FWIW, a scrap of carpet works as well as those Auralex Gramma's. For that matter, even a scrap of carpet padding. Anything that dampens vibration will reduce transmission of stage rumble from a speaker.


                Maybe I'll stop by the local carpet store and see what kind of remnant stuff they have.
                <div class="signaturecontainer"><b><font color="Black"><font size="1"><a href="http://www.yardfullacars.com/" target="_blank">I used to play with</a> | <a href="http://www.katiequick.com/" target="_blank">I occasionally play with</a></font></font></b><br ><br><br ><br><font size="1"><br ><br><u>My Main Gigging Gear:</u><br ><br>Musicman Dargie Delight 5HS Bongo with rounds<br ><br>G&amp;L L-2500 Tribute with flats<br ><br>GenzBenz Shuttle 6.0 112 combo<br ><br>GenzBenz Shuttle 9.0 &amp; GenzBenz Neo 212T<br ><br>Peterson Strobostomp<br ><br>Sennheiser EW172 Wireless</font></div>

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                • #23
                  Originally posted by Thunderbroom
                  Maybe I'll stop by the local carpet store and see what kind of remnant stuff they have.


                  Or just cut a piece out of your living room.....which doubles as an effective test of your wife's dedication to your interests......
                  Write something...

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                  • #24
                    Let me see.Wife's dedication to your interests.Boy,I bet that could make for a long thread.

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                    • #25
                      Bought five $1 carpet samples (each about the size of a doormat) and put one under my bass cab and two each under the subs. The rumble was gone when we played on Saturday night. I'm not sure if this did the trick or if the engineer EQ'd differently, but I'm keeping the carpet squares!
                      <div class="signaturecontainer"><b><font color="Black"><font size="1"><a href="http://www.yardfullacars.com/" target="_blank">I used to play with</a> | <a href="http://www.katiequick.com/" target="_blank">I occasionally play with</a></font></font></b><br ><br><br ><br><font size="1"><br ><br><u>My Main Gigging Gear:</u><br ><br>Musicman Dargie Delight 5HS Bongo with rounds<br ><br>G&amp;L L-2500 Tribute with flats<br ><br>GenzBenz Shuttle 6.0 112 combo<br ><br>GenzBenz Shuttle 9.0 &amp; GenzBenz Neo 212T<br ><br>Peterson Strobostomp<br ><br>Sennheiser EW172 Wireless</font></div>

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