ChrisDodge2500HDquadcab Posted December 30, 2019 Report Share Posted December 30, 2019 Ok I've been reading about T-Line 1/4 wave box designs for years and I understand the basic math. So my subwoofer doesnt look likenits the best for T-Line box but I'm wondering it the box can be modified wo work around one of the parameters that are to high? AS TOU CAN SEE THE Qms is 10.873 where its recommended a Qms of 7 or below. How much is this going to effect SQ in a T-Line Box, and if it's going to effect SQ can the box be modified to compensate for the Qms being 3.873 higher then recommend. Can someone run the sub specs for me and let me know what they think? Subwoofer specs EARTHQUAKE Subzero 12 (broken in) Xmax = 31.7500E-3 M Note = VI MEASURMENTS Krm = 35.5980E-3 Ohm Model = TSL Erm = 805.0000E-3 Domain = FreeAir Kxm = 237.3670E-3 H Shape = Round Exm = 672.0000E-3 Profile = Cone Rms = 3.7712 N·S/M Fmd = 3.0000 KA Mms = 243.5090E-3 Kg Qmd = 1.0000 Cms = 144.8275E-6 M/N Flp = 8.0000 KA Vas = 58.1062E-3 M³ Qlp = 2.0000 Fo = 26.8001 Hz Znom = 8.0000 Ohm Qms = 10.8730 Revc = 7.7000 Ohm Qes = 0.4411 Sd = 53.0000E-3 M² Qts = 0.4239 Mmd = 236.4970E-3 Kg BL = 26.7542 T·M Pmax = 1.0000E3 W Levc = 13.4777E-3 H Rtvc = 250.0000E-3 °C/W SPLo = 85.8761 dB Xgap = 12.7000E-3 M No = 243.1000E-3 % Xcoil = 76.2000E-3 M Link to comment Share on other sites More sharing options...
Noah63Nova Posted February 26, 2020 Report Share Posted February 26, 2020 Has anyone built one of these t-lines in a single cab with a bench seat? Looking at doing one of these with two sa 8s if possible. Just curious if it has been successfully done. Link to comment Share on other sites More sharing options...
keith2001 Posted June 4, 2020 Report Share Posted June 4, 2020 I have a Massive Audio Hippo XL 15 Dual 2 ohm @ 2000w rms, and i was wondering if any one can help me design a horn enclosure like the one in the image below. I've always wanted to learn how to design these type of enclosure if anyone can help i'll appreciate it very much. Link to comment Share on other sites More sharing options...
PsychoWhite Posted April 28, 2021 Report Share Posted April 28, 2021 I know it’s a slightly old post but I figured I would chime in anyways. I built one for a single Ampere Audio 3.0 15” I was surprised With how hard it actually hit the lows. It hit hard enough to crack my windshield from passenger side to driver side. Attached is a picture of the enclosure and drawing with tuning numbers on the left. Link to comment Share on other sites More sharing options...
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