18" Fi Qs or 15" L7s
- Thread starter BassHead99
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Umm, Q's. No question.
actually..its all in the install L7s have proved to get loud..
Lakota
5,000+ posts
Doesn't Know $hit
Why?
L7's are a more spl based sub and Q's are more sq/sql based.
The Q's also only a bit over 50 in^2 more cone area.
I think it would be close.
bose301s
5,000+ posts
I can break these cuffs
The Q's should be louder as they have more cone area, but they seem to just be better subs.
Yep, I agree. But I have played with and run both. The Q's stay when everything else was taken out.
I agree with your first statement.
I am not sure how you got the numbers in the second? I couldn't locate actual cone area numbers from Kickers site, please let me know if you know where to get them. Kicker does make the claim that the L7 has a cone area between 16-20% larger than a comparable size woofer. I will take that as fact as I couldn't locate the specific information. A typical 15" driver is 810. 810x20%=162. Adding the 810+162=972. Since we are looking at a pair subs I multiply by 2=1944cm^2. This would be your sd of the Kicker L7 15"s. Next the Q's. 1210x2=2420cm^2 for the Q18's. The difference is much larger than you have figured, . I state this to find out how you obtained your numbers.
The only way it would be close is to under power the Q's and put them in an improper enclosure.
My assumption in my first post was that both pairs of subs would be given at a minimum rated power and a well built enclosure.
I will tell you that I am a Kicker fan. Have been since I was in middle school. 1989 if you must know. I recently purchased an amp from them and will continue to use their products. IMHO it is a solid company with solid offerings. I have also had a similar experience with Fi and happened to prefer as well as get better results than I did with my L7's. A) I try and share my experiences with products with others, and B) I have the math handy to back up what I propose.
Hope that explains my position well enough. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
so ur Qs were louder then ur L7s? what size if so?
Yes. Both were a pair of 12's. At one point I had 3-12" round solo's. They were the least loud out of all the systems I have had. But they sounded great. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif The Q's still sound better though. And are louder.
I guess I should add they were also tuned as close to 32Hz as we could get. So they were all daily setups. The 3- 12" round solo's were sealed. Only time I have ever gone that route.
Lakota
5,000+ posts
Doesn't Know $hit
Estimation
Took the area of the Fi's minus the area of the Kicker's (assuming a 15X15 square)
Ah, ok. I don't think the L7 15" is 15"x15" though. I could be wrong. I wish someone would chime in and inform me. //content.invisioncic.com/y282845/emoticons/graduate.gif.d982460be9f153bb54e5d4cb744f6ae8.gifEstimation
Took the area of the Fi's minus the area of the Kicker's (assuming a 15X15 square)
Oh, and the cut out for a 15" L7 is 14.1"x14.1" which =198.81in^2. I can assume with relative certainty that this is VERY close. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
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