derrickdj1 Posted November 29, 2012 Share Posted November 29, 2012 I was considering the use of subwoofer risers. It is suppose to decrease energy in vertical room modes and decouple the sub from the floor. I was interested in opinions from forum members that have used homemade risers or Arulex SubDude. Quote Link to comment Share on other sites More sharing options...
liebherr954 Posted November 29, 2012 Share Posted November 29, 2012 I was considering the use of subwoofer risers. It is suppose to decrease energy in vertical room modes and decouple the sub from the floor. I was interested in opinions from forum members that have used homemade risers or Arulex SubDude. Hay Derrick I have the Auralex Great Gramma for my subs and they really do make a difference in my basement, I had a lot of rattles from my hvac at certian frequencies. The platforms cut down on 99% on the rattles and the only negative thing is that I had to turn up the gain a couple of clicks to compensate from the platform. Quote Link to comment Share on other sites More sharing options...
jacksonbart Posted November 29, 2012 Share Posted November 29, 2012 Bad Quote Link to comment Share on other sites More sharing options...
liebherr954 Posted November 29, 2012 Share Posted November 29, 2012 BadGood. Quote Link to comment Share on other sites More sharing options...
mustang guy Posted November 30, 2012 Share Posted November 30, 2012 ugly Quote Link to comment Share on other sites More sharing options...
derrickdj1 Posted November 30, 2012 Author Share Posted November 30, 2012 liebherr954 I read up on the couplng issues and more on room modes. The use of sub platform/riser seems to make a lot of sense. Last night I put both subs on some mini block and the bass and midrange seemed better I may make some risers this weekend. Putting Fiber glass insulation that has been wrapped on the bottom of the rises can also act as a bass trap. I have hard wood floors which is prone to coupling and axial mode. Quote Link to comment Share on other sites More sharing options...
CECAA850 Posted November 30, 2012 Share Posted November 30, 2012 Try putting something like a protective rubber yoga type mat on top of your subs and weight them down and report back. Use something substantial, think 40+ lbs. Quote Link to comment Share on other sites More sharing options...
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