Joe X Posted February 5, 2013 Report Share Posted February 5, 2013 Well, that kinds sucks. O well. Ill just build a new box and see what I can end up with. Would adding a few more help at all? Give me a bit more all around sound, or just go with the NS in a larger size? Did they give you parameters for them? Link to comment Share on other sites More sharing options...
Alvi45 Posted February 5, 2013 Report Share Posted February 5, 2013 Yea bro I agree the spl version is made for guys that burp it is a "SPL" version Link to comment Share on other sites More sharing options...
just1moreamp Posted February 5, 2013 Report Share Posted February 5, 2013 The sa8-v2 spl --sundown posted somewhere that the spl 8'' was not for music////dont think thay are going to do what you wont them to do,,,maybe you need to pick up some sa8v2 and put them in a box tuned to like 38hz and let them shine,,,,but thats just me,, Link to comment Share on other sites More sharing options...
caskinsro Posted February 5, 2013 Author Report Share Posted February 5, 2013 Making a new box made just for my car... been quite a while since I made one, and never made a ported with my own measurements and everything. When making the port do you figure out the needed port length using the total box volume? My box is looking at (realize the numbers are way off now if I am correct) but I was looking at 21.5*12.5*18.5, giving 2.897ft^, so for a 35hz tune I would be using a 3" slot port, 10" high, 20.25" long? After all displacements I would be 2.18 ft^ (little larger than I am hoping for. Trying to get a top firing box & port. Link to comment Share on other sites More sharing options...
Alvi45 Posted February 5, 2013 Report Share Posted February 5, 2013 Yea bro I agree the spl version is made for burps but let me tell u from my experience .. When I first got my sa-8v2's I had them on a hifonics hfi2000.1d and they weren't loud at also then I got a hifonics brz1200d and its night and day now those 8's flex everything and my box is tuned to 35hz .. I get complements all the time when I demo for someone and they are astonished that I only have 2 8's they always say I must have another 2 facing the backdoor they can't see it Link to comment Share on other sites More sharing options...
caskinsro Posted February 5, 2013 Author Report Share Posted February 5, 2013 Box is figured out to an exact 35hz after all displacements and whatnot. Going to be 12H, 25W, 18.5D with a 2.75" port, 31.75" L. Does the port length affect the sound at all? Figure with length there will be some friction... idk. As I said, quite new with it all Link to comment Share on other sites More sharing options...
Alvi45 Posted February 5, 2013 Report Share Posted February 5, 2013 www.youtube.com/watch?v=HL3zt05lGdo Link to comment Share on other sites More sharing options...
Alvi45 Posted February 5, 2013 Report Share Posted February 5, 2013 I have a 4in aero port and it sounds awesome it gets pretty low .. Like I said people think I must have some subs hidden somewhere lol but u also have several things to consider if u have the subs in a trunk they are not going to be as loud as u want or expected them to be.. I have mine the back seat in a extended cab silverado Link to comment Share on other sites More sharing options...
caskinsro Posted February 5, 2013 Author Report Share Posted February 5, 2013 <p>mine really arent that much further back than they are for you. The Cougar only has 8' of cabin space at best. Where the subs are is reachable with from the front seat <img class="bbc_emoticon" src="http://www.stevemeadedesigns.com/board/public/style_emoticons/NEW/blum.gif" title=":p" /></p> <p> </p> <p>Im going to give this box a try and see if they sound any better. Like I said I have seen so many video's of the 8's and they just seem to be hitting so much harder than mine are. Quite disappointed <img class="bbc_emoticon" src="http://www.stevemeadedesigns.com/board/public/style_emoticons/NEW/sad.gif" title=":(" /></p> <p> </p> <p> </p> <p>The box has been remade... Would this setup actually work? 12"h, 26W, 18.5"L with a 2.75" port 10.5"H, 28.5"L work? </p> Link to comment Share on other sites More sharing options...
jhmeg2 Posted February 5, 2013 Report Share Posted February 5, 2013 Did you say that they are firing forward? that could be the problem, if its not sealed off. Or it could even be a wiring issue. Are you sure that one coil may not be out of phase. You mentioned a t-line... Not sure about that exact sub, but if you want it to be more musical and controled, t-lines are great, IF DONE CORRECTLY ////Alpine, Eclipse, Load Boss, Pheonix Gold, MB Quart,Digital Desings, Memphis, Stinger, Periphial, MTX, Visualogic Link to comment Share on other sites More sharing options...
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