Leimahmood Posted June 8, 2019 Report Share Posted June 8, 2019 i recently diy a subwoofer with b&c 21ds115 4ohm amplifire is qsc rmx5050 its lack in rumble like basses some time in punch too i noticed the subwoofer box is too much vibrating during these bass here are some pics and mu subwoofer cut list Link to comment Share on other sites More sharing options...
Leimahmood Posted June 12, 2019 Author Report Share Posted June 12, 2019 ok guys i figure it out it all the lose screws so the driver is not tiet and it doing thing worse in bass Link to comment Share on other sites More sharing options...
dgage Posted June 13, 2019 Report Share Posted June 13, 2019 I also wonder if a single piece of .75”/18mm plywood is strong enough for such a big and powerful driver. I usually use a minimum of 2 layers of .75” plywood for my subwoofers and usually 3 for larger drivers (18”+). If the driver is moving the baffle it is mounted to, you will lose efficiency/output. Link to comment Share on other sites More sharing options...
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