Kicker L7 Box
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 459 Registered: Dec-06 | Hey. While I am waiting to make some money this summer for an upgrade, I figure I may as well make this L7 sound as good as possible and get some feedback on my box building skills before the real thing. I am home for spring break next week and think I will build a ported box for my 12" L7. What do you guys think about 1.8 cubes at 40hz? Feedback? Thanks! |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 460 Registered: Dec-06 | A little more info...it will be in a 2000 Sable with stock charging. The amp is a Kenwood KAC-9102D mono claiming 850 RMS, so maybe closer to 700RMS. |
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Gold Member Username: 54danny54KY More Wang Th... Post Number: 3632 Registered: Nov-04 | id do 2 cubes and 35hz |
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Gold Member Username: Van_manBoston South, MA Post Number: 2156 Registered: Mar-06 | Go to kickers page. They have the specs on them. I think mine was the street bass one, tuned to 30. I forget the size. maybe 2.75cf |
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Gold Member Username: Extrmndor3IF U HEAR ME... I GOT KING K... Post Number: 4016 Registered: Feb-06 | WELL ILL DO 38 HZ EVEN WITH 28 HZ THE KICKER WILL SOUND LIKE ITS TUNED TO 40 HZ THEY SUXS |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 461 Registered: Dec-06 | OK...thanks. Any other opinions? |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 463 Registered: Dec-06 | Marc, Kicker's page only tells cubic ft, suggestions, not tuning. And Rob, I am aware they are not the best, but it's what I have for now. |
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Gold Member Username: Van_manBoston South, MA Post Number: 2159 Registered: Mar-06 | Did you go here? No, No you didnt.. http://www.kicker.com/06/tech-support/manuals/manuals/2006/2006%20L7%20Sub%20b01 %20WEB.pdf |
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Gold Member Username: Van_manBoston South, MA Post Number: 2160 Registered: Mar-06 | And once you have those numbers plug em into a box calculator to find tuning. Again I think its 30 |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 464 Registered: Dec-06 | No I did not, but that doesn't tell me the frequncy to tune it to. I assume you're talking about this? 3.25 ft3 (92L) + port displacement 3 x 13.25" (7.6x34cm) port, 14.5" (37cm) long |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 465 Registered: Dec-06 | OK thanks. Sorry, didn't see that post before I posted. |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 466 Registered: Dec-06 | OK...so I was thinking this then... http://www.subwoofertools.com/forum/ported-box.asp?Ew=32&Eh=15&Dia=7&Xmax=22&Vd= .17&NumW=1&Vb=2.75&Fb=30&Qts=&Vas=&Fs=&CE=0 |
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Gold Member Username: Van_manBoston South, MA Post Number: 2161 Registered: Mar-06 | I took all those numbers and plugged em into http://www.subwoofertools.com/forum/ported-box.asp then I played with tuning to get 30. But if I had to do it again, I think I would tune to 35 or so. But 30 rocked.    |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 467 Registered: Dec-06 | OK...well I will tune to 35 then since two people have recommended that. What about size tho? What will a bigger box (2.75) have that a smaller box (2.00) won't? |
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Gold Member Username: Van_manBoston South, MA Post Number: 2162 Registered: Mar-06 | .75 cf |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 468 Registered: Dec-06 | Well that last question is still out (what does 2.75cuft give me over 2.00cuft), so if anyone can help that would be great. But also, I am not sure if the xmax and displacement are the same as the current models (14.1mm and .17 cuft). I have an old model one.  |
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Gold Member Username: Van_manBoston South, MA Post Number: 2165 Registered: Mar-06 | 2.75 is the optimal size for that sub. Anything smaller will suffacate (stifle) that sub from reaching its full potential. You can put it in a smaller or bigger box, but the sub will suffer SPL and or SQ loss when varied from the subs specs greatly. And the silver L7 is the '05. Specs are the same for '06. Only the cone is black.  |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 469 Registered: Dec-06 | OK...the final questions then: 1) Sedan therefore port and sub back, correct? 2) Is the .17cuft of displacement correct? I think that is a # I got from Logan a while back, but I cannot find it anywhere. (VAS of 62.53L) 3) Any need to double baffle of any other tips for the box? Thanks for all the help! |
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Gold Member Username: Van_manBoston South, MA Post Number: 2166 Registered: Mar-06 | GOOD... Last answers 1) yes 2) close enough 3) no. Its a single L7 for petes sake. Just glue and screw, then caulk or resin seams. Your Welcome! |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 470 Registered: Dec-06 | You didn't have to keep answering, especially since several of those comments were smart a**. I appreciate the help a ton, but not the attitude. These were addressed to everyone, not personal messages to you. |
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Gold Member Username: Van_manBoston South, MA Post Number: 2167 Registered: Mar-06 | Hey ben, This is the kicker link with the build specs. Do either the 2.50 box or the 3.25 Its gives you the cut list as well. Simple to follow, Even for you. http://www.kicker.com/06/tech-support/manuals/manuals/02SL7TechManualV2_0.pdf BTW, Attitude is 90%, Skill is secondary. Relax, No ill intent. Just amusing myself. and no one forced me to help, but no one else likes to jump in on kicker stuff, unless the thread is "replacing my L7 with a FI Q hepl" Good luck. |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 471 Registered: Dec-06 | OK...like I said, I appreciate it. I will have one of those posts this summer - "replacing my L7 with a FI Q help" |
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Silver Member Username: Trey4sportsPost Number: 626 Registered: Sep-06 | well, good luck on the Box, it wasnt nearly as bad as i thought it would be my first time. BTW, when you do plan to upgrade do me a favor and be sure to give pierce audio a look they make great stuff and have excellent service. |
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Bronze Member Username: SexybratPost Number: 61 Registered: Jan-07 | ive blown two of the L7 15" in under 2months |
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Gold Member Username: Tdeaton1021Near Tampa, Florida USA Post Number: 3962 Registered: Sep-04 | trey did you purchase your pierce direct? and how much did you pay? |
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Silver Member Username: MgbcsLincoln, Nebraska Post Number: 473 Registered: Dec-06 | Trey...I have build many boxes before, but never anything ported. It shouldn't be much different and things have turned out well in the past. So we'll see. |
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Gold Member Username: Nyyfan13Fi SSD USA Post Number: 4103 Registered: Jul-06 | ported boxes are easy to make...atleast mine was |
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Silver Member Username: Trey4sportsPost Number: 627 Registered: Sep-06 | yes i got mine direct from J. pierce payed 140 per 15" WMD. it REALLY excels at mid frequencies like lil john throw it up, it peaks right around 47 hz and the woofers gets very loud on that note. The customer service is awesome as well. right now i think their sold out of the 06 WMD's and MOAB's. but they will be releasing 3 lines in 07. the new and improved 07 WMD, the WMD^2 and 07 MOAB. ive seen the prototypes for the WMD^2 and the 07 MOAB and its AWESOME. the MOAB has a 62LB motor and about 12 inches from top to bottom, going to be wawrrantied for 3000 RMS. the WMD squared has a 45 lb motor and will be good for around 2 grand RMS, i believe. Granted ive only seen prototypes but they look tiiight. I could go on and on about their new woofers. Bottom line is that they will be awesome |
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Silver Member Username: BasssquaredPost Number: 236 Registered: Nov-06 | Gord i seriously think you dont know what your doing if your blowing subs like that L7s arent the best but they dont suck that bad did you break them in and are you using the rms power and not peak u gota be doing something wrong |
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Bronze Member Username: SexybratPost Number: 67 Registered: Jan-07 | i bought em used i was running it with a 1200.1 jbli didnt think my setting were wrong |
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