dr hypothesis Posted March 18, 2009 Author Report Share Posted March 18, 2009 (edited) Amp might be a bit sick, but check the voltage across the power terminals while you're bumping and see if it's dropping badly for some reason.Also try a tone and see if it does it on that, if not it's possible your box just has a terrible frequency response that is all over the place... EDIT: How long is your port? Port is 32 x 6. 16" long, a little over 3" from the back wall of the box. Edited March 18, 2009 by dr hypothesis Quote 2001 Chevy Impala Eclipse CD7200 mkii Cactus Sounds 5kw Sundown 100.4 (2) Fi BTL 18s (walled) ID 6.5s (2 sets) Iraggi 320 amp Alt XS Power Batts KnuKonceptz Wiring MidwestSPL Scores: 152.0 Advanced 2 136.1 Extreme 3 Link to comment Share on other sites More sharing options...
Sampsonite Posted March 18, 2009 Report Share Posted March 18, 2009 You say 32"x6"? and 3" away from the back of the box? Rule of thumb, If you have a 6" port, it needs to be At The Very Least 6" away from any wall. Not ruling out any other problems, but the port seems to be one as well. Quote --Sampson 816-591-6592 www.kcrimshop.com Link to comment Share on other sites More sharing options...
dr hypothesis Posted March 18, 2009 Author Report Share Posted March 18, 2009 You say 32"x6"? and 3" away from the back of the box? Rule of thumb, If you have a 6" port, it needs to be At The Very Least 6" away from any wall.Not ruling out any other problems, but the port seems to be one as well. It's a slot port. 32"high, 6" wide, 15.75" of length. This is almost identical to my last wall of 4 SX 15s, which did not have this problem. Quote 2001 Chevy Impala Eclipse CD7200 mkii Cactus Sounds 5kw Sundown 100.4 (2) Fi BTL 18s (walled) ID 6.5s (2 sets) Iraggi 320 amp Alt XS Power Batts KnuKonceptz Wiring MidwestSPL Scores: 152.0 Advanced 2 136.1 Extreme 3 Link to comment Share on other sites More sharing options...
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