MACnonsence6 Posted September 27, 2011 Report Posted September 27, 2011 max w-30" max d - 15" max h - 17" wondering if i have enough space to do one 12 in a t-line. I picked up an MTX Sw1212 powered subwoofer today. This thing sounds amazing. 130 watts, 12" woofer with a passive 12" woofer tuned to 27 hz. Moving the pictures on the walls and my girl got wet from the bass when i showed her haha. Tonight should be good haha.
D-train-13k Posted September 27, 2011 Report Posted September 27, 2011 i dont know much about transmission lines. but im pretty sure itd help if you told them whether or not you were gonna use 1/4 wave or 1/2 wave. i know that will change up how long the line needs to be ALOT The IrishmanCheck out my build hereXL 4th order wall build logIn Progress:alpine cda HU4th order Bandpass2xl 15's1- ab 400.1 (gonna be two hopefully)4- Crescendo 8's2- xts crecendo supertweeters 2 sq super tweetsMb quart 4.125Mechman 270a alt1- xs D27003- xs XP3000 4- odessey pc1700seller feed back threadhttp://www.stevemeadedesigns.com/board/topic/136418-d-train-13k/
stipek Posted September 27, 2011 Report Posted September 27, 2011 I'm no t-line master either but from what I gather even if you tune to 40 your tunnel will be roughly 7 ft long and your port area needs to be the same as the cone area which is around 100. So your port needs to be 15 by 7 or 17 by 6. In either way you run the tunnel you need 3 passes with your width to get to 7 feet so you are not tall or deep enough for that. I used rough numbers but all in all I say no. Headunit - Sony DSX-200X Subs - (2) Modified American Bass 18's Monoamp - DD M4 Front Stage - CDT HD62-AS components with 4 Crescendo PWX 6.5 4 Channel Amp - Hifonics ZRX1000.4 Cadence 0 gauge Singer 275 amp Alt D7500 XS Power battery Quad 1/0 input Toolmaker terminals SMD OM-1 RGB LEDs BUILD LOG CURRENT ABOVE SETUP http://www.stevemeadedesigns.com/board/topic/191602-2003-bravada-2-18s-ab-dd-xs-singer/ BUILD LOG (2 MTX 7512's)http://www.stevemead...__fromsearch__1[/size]
rusty959 Posted September 27, 2011 Report Posted September 27, 2011 No you don't. Here ill do the calculations but im not going to make them pretty for tline 7 ft long, which is aprox 40hz assuming 12" is the diameter of sub (I don't feel like taking into account surround, doesn't matter) 6*6*3.14*12*7 / 12^3 = 5.495 cubic feet assuming you could use all the space, which you can't. what you have 30*15*17 / 12^3 = 4.43 cubic feet assuming you could use all the space. 2013 Subaru BRZ12" Orion HCCA on AQ 22001967 mustang restoration project: http://www.stevemeadedesigns.com/board/topic/110765-mustang-restoration-build-2011-edition/ Youtube: https://www.youtube.com/user/therusty959
MACnonsence6 Posted September 28, 2011 Author Report Posted September 28, 2011 damn alright thanks guys I picked up an MTX Sw1212 powered subwoofer today. This thing sounds amazing. 130 watts, 12" woofer with a passive 12" woofer tuned to 27 hz. Moving the pictures on the walls and my girl got wet from the bass when i showed her haha. Tonight should be good haha.
RAM_Designs Posted September 28, 2011 Report Posted September 28, 2011 Why do you want to do a t-line? What sub are you using? Ryan Miskin - owner of RAM Designs I have my PM's turned off, please email at <script data-cfhash='f9e31' type="text/javascript"> /* */</script> 2200+ designs since March 2011...
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