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  #1  
Old 05-09-2011, 06:49 PM
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Default Please Help with my Escalade Enclosure

Hey what's up everyone, I am hoping that someone can help me out with my enclosure design. I have a regular short 2002 Escalade (basically same as Tahoe) and I am trying to design an enclosure for three TC Sounds LMS-R 15"s running off of one Sundown SAZ-4500D. The subs are dual 2 OHM VCs so the amp will be seeing around 1.33 OHMs total which gives the subs at least 3500 watts total. I am basically looking for good, linear sound quality, but with nice, LOW response as opposed to just peaky SPL (I don't compete). I know that there have been hundreds of Tahoe enclosures done, so what would you all do with my setup I have the amp rack right behind the second row seats so it is taking up some space back there. Because of this, I need to try to keep the enclosure dimensions to the standard MDF width of 49" by around 17" tall (hiding under the cargo cover) and I have 31.5" of depth left between my amp rack (in front of the enclosure) and the back cargo door. I was considering a 49" wide by 17" tall by 21.5" deep sealed enclosure but I wasn't sure if I would be getting my money's worth out of these subs not going ported. What do you all think I listen to everything from Bass CDs and rap to country and rock and even the slowed and screwed rap.

ANY and ALL help would be SO MUCH APPRECIATED. Thank you in advance.

Sub specs:

Power handling: 1,000 watts RMS/4,000 watts peak
VCdia: 3"
Le: 4.5 mH
Impedance: 2 ohms per coil x 2
Re: 3.94 ohms
Frequency range: 15 - 150 Hz
Fs: 23.6 Hz
SPL: 86.9 dB
Vas: 4.33 cu. ft.
Qms: 5.00
Qes: 0.49
Qts: 0.45
Xmax: 29.4
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Old 05-09-2011, 11:37 PM
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You don't have the space to do a ported box, so sealed looks like the only option...unless you're willing to do higher than 17". Three 15's sealed will still bang pretty well.
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Old 05-10-2011, 01:59 AM
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That's what I was thinking. Could a ported enclosure option be subs firing up and port (or ports) firing back into rear door
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Old 05-10-2011, 02:05 AM
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Someone had a vid on youtube with a blue tahoe (2001-2006) with 3 15's that was pretty loud ported box im trying to think who it was
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Old 05-10-2011, 02:13 AM
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if you made it 49x17x26.5 to stay 5" off the back door you could possibly go ported, that would be a little over 10^ft3 before sub port and bracing displacement which is on the small side for 3 15's but doable. havent played with the lms r's so i dont know what they like for box volume but i am always the kind of guy to go as small as i can on volume and as big as i can on sd
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Old 05-10-2011, 11:22 PM
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I appreciate all of the help, guys. I've been dinkin around with WinISD and according to it, if I go with a 49 x 17 x 25.5 enclosure (9.5 ft^3 before bracing) with two 6" aeroports 17" long, I will be tuned to around 27hz. On the TC Sounds forums, I have heard people recommend around 3.3 to 3.75 per sub tuned to around 24 hz, so I am hoping I will be okay here with plenty of power on tap. Does this sound about right

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Old 05-11-2011, 01:04 AM
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A pair of 6" aeros is pretty small for three 15's, especially ones with that kind of displacement potential.
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