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  #1  
Old 08-22-2011, 04:01 PM
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Cool 4th order design for a scion tc

i designed this 4th order for my scion tc and wanna make sure its all tuned right since i dont know much about 4th orders. its for 1 12 fi btl n2 d1. it has 48 sq inches of port tuned to 50hz. 3.42 ft^3 on the ported side and 1.54 ft^3 before displacement on sealed side. do u think this will sound good and not have any problems with the port. and will it hit lower than my ported box tuned to 36 right now that was a pwk design.
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Old 08-22-2011, 04:03 PM
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Thats a very low Q driver.. the 4th order you have, judging by specs, will be super large for that sub and probably very peaky.
I wouldnt expect too much low end from it, but cabin changes things a bit.

Specs of your current enclosure?
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Old 08-22-2011, 04:13 PM
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Don't know the specs off top of my head but here's the plans from it.
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1 run of Knu 0ga OFC ,big 3 and xs power d2400
Mechman HO alt 270 amp avbm
Front stage-crescendo c10004- 4 XST2- 8 mp6.5s
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Pioneer premier F90BT head unit
lanzar optib-3 cross over-Clarion 7 band eq
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Old 08-23-2011, 07:35 PM
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Gotcha. Pics seem a bit blurry.. but can make it out.

A 4th order for that sub isnt very fitting, plain and simple. You could do OK by making the front chamber smaller, but its still a gamble.

What kindof output are you looking for?
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Old 08-24-2011, 12:25 AM
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So should I not even make a 4th order for my sub. I just wanted louder and lower output than I have
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Old 08-24-2011, 12:30 AM
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Those are two different things, hard to achieve both. Like saying I want a girl who is prettier, but also less crazy.
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Old 08-24-2011, 12:55 AM
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I just bought a scion tc and like the design a lot! I think it would look really sexy, though I know that you are questioning regarding the sound output. I would like to let you know that I will try it out for you and let you know haha. but if you find a good build let me know I would like to try it.
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Old 08-24-2011, 07:15 AM
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Feel free to try it and let me know lol. It fits in the hatch if u remove the tire and floor.
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Old 08-24-2011, 10:03 AM
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Quote:
Originally Posted by Koteman View Post
Feel free to try it and let me know lol. It fits in the hatch if u remove the tire and floor.
wow you need to remove tire and floor? thats bigger than I thought. how many ft cu?
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Old 08-24-2011, 10:10 AM
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U don't have to but it will stick above the back seats. But if u take out and add a layer of 3/4 on the metal floor it will stop right at the top of the seats and u won't see it in the rearview mirror. I also have the sides of the hatch out. But that 4th order is a few inches less wide than the ones I have now so the forth should fit fine with everything in. But it's about 5ft^3
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Mechman HO alt 270 amp avbm
Front stage-crescendo c10004- 4 XST2- 8 mp6.5s
sub stage- JBL GTO14001-Fi BTl N2 fully loaded
Pioneer premier F90BT head unit
lanzar optib-3 cross over-Clarion 7 band eq
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