Sanitarium Posted March 1, 2012 Report Share Posted March 1, 2012 Upon futher research I stumbed upon the Audio Engineer's Reference book, It also becomes necessary to introduce large amounts of absorbent material to damp dimensional resonances or standing waves, and to reinforce or brace the panels to reduce vibration. Fortunately, filling the enclosure with glass fibre or similar light absorbent material has the effect of partially changing the air operation from adiabatic to isothermal, which reduces the velocity of sound and may increase the effective volume of the box. Thank you. Quote Link to comment Share on other sites More sharing options...
OG BudBone Posted March 1, 2012 Author Report Share Posted March 1, 2012 Just bought 2lbs of poly fil from walmart...time to see how it works out...seems like a lot to stuff in my box though with the subs, like no open air Quote 1997 Trans Am WS6 Pioneer DEH-P5200HD 2 DC Level 4 M2 12s 4 cubes tuned to about 34hz DC 3.5k 1/0 Welding Supply Ultra Flex Stock 140A alt Stinger Fuses & Fuse Holders XS Power D5100 XS Power XP3000 Link to comment Share on other sites More sharing options...
Jared420 Posted March 1, 2012 Report Share Posted March 1, 2012 Let us know how it works out man Quote 2012 silverado ext cab ltz 24" kmc rims AudioQue 2200 Pioneer AppRadio Alpine mrx f35 4 channel Bose mids and highs Iraggi Alt + stock alt in a DC power dual alternator kit Yellowtop+stock under hood 0 gauge Knu wire Big 3 4 gauge stinger (4 chan wiring) 3 DC 10'' LVL3 with LVL4 parts Link to comment Share on other sites More sharing options...
OG BudBone Posted March 1, 2012 Author Report Share Posted March 1, 2012 Well 2lbs of poly fill later and I got a noticeable increase of output on all frequencies. Just kinda worried about the poly fill getting in with the voice coils and catching fire Thanks for all the input guys Quote 1997 Trans Am WS6 Pioneer DEH-P5200HD 2 DC Level 4 M2 12s 4 cubes tuned to about 34hz DC 3.5k 1/0 Welding Supply Ultra Flex Stock 140A alt Stinger Fuses & Fuse Holders XS Power D5100 XS Power XP3000 Link to comment Share on other sites More sharing options...
Noob_On_Droid Posted March 1, 2012 Report Share Posted March 1, 2012 The trick is doing a layer of polyfil then a layer of ice cubes between the fabric and woofer motors. Quote Link to comment Share on other sites More sharing options...
Noob_On_Droid Posted March 1, 2012 Report Share Posted March 1, 2012 I'm just kidding please don't do that... Quote Link to comment Share on other sites More sharing options...
Sanitarium Posted March 2, 2012 Report Share Posted March 2, 2012 The trick is doing a layer of polyfil then a layer of ice cubes between the fabric and woofer motors. Sounds legit to me Quote Link to comment Share on other sites More sharing options...
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