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Old August 14th, 2007, 02:03 PM   #1
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Challenge: "bass SPL&SQL"/"pound of weight"

I was thinking...I've been thru a small handful of different types of subwoofer setups. Usually if I go too big (amp rack, multiple subs in a huge box), I always complain about how my car rides like a boat and I loose too much of my cars handling ability. And of course if I go too small I am not happy with the sound output of my system.

So how would you go about producing the best overall "bass SPL&SQL"/"pound of extra weight" in your AV6? I guess in a way, this is an efficiency challenge.

Fiberglass is lighter than MDF for installs, but is there anything lighter/better?

Please include pics of your pimp yet efficient system installs. It would be nice to have before and after curb weight measurements (no one probably has these though).
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Old August 14th, 2007, 03:54 PM   #2
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Efficiency as to what SPL Target? 150db? 160db? And even if you wanted to maximize SPL to minimal weight, you will already eliminated the so called subjective terminology of "SQL", since the most efficient design would be non sealed, tune specific vented enclosures.
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Old August 14th, 2007, 04:43 PM   #3
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this has fiberglass its pimp but im not sure about the weight thingy...lol


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Old August 14th, 2007, 06:11 PM   #4
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Efficiency as to what SPL Target? 150db? 160db? And even if you wanted to maximize SPL to minimal weight, you will already eliminated the so called subjective terminology of "SQL", since the most efficient design would be non sealed, tune specific vented enclosures.
Vestex makes a good point. So maybe we can just answer this from the pure SPL point of view. A free-air subwoofer implementation would be rather light. But what is the "db gain" by placing that free-air subwoofer in a tiny, say 10 lb, bandpass enclosure? At what point does the overall "db gain" become negligible compared the weight increased?

Obviously this characteristic will differ based upon your choice of subwoofer. Please give specific examples of particular subwoofer models that would particularly work well in this challenge.
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Old August 14th, 2007, 06:11 PM   #5
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this has fiberglass its pimp but im not sure about the weight thingy...lol


Now that is one sick setup!!!
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Old August 19th, 2007, 09:32 AM   #6
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This weighs 74 lbs with the amp, +10-15 lbs of wire...

Hit 146.2dB
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Old August 24th, 2007, 10:37 AM   #7
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meet king and his brother kong
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Old August 26th, 2007, 10:34 PM   #8
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Originally Posted by ericspda View Post
This weighs 74 lbs with the amp, +10-15 lbs of wire...

Hit 146.2dB
are those audiobahns?
ive seen vids of 2 8" Digital Dynamics hit 150.5 on the termlab

also i dont know much about free air setups but if your looking for some of the good stuff check FiAudio.com
seems like this company has really come up big in the last year
heres one 18" fully loaded BTL doing some damage
http://s113.photobucket.com/albums/n...nt=BTLVID3.flv

and one last one.. 20,000watts and 4 18" BTL's.. this guy has some sick videos of his setup
http://youtube.com/watch?v=ND-Kd86t9ZE

Last edited by Champaned_out; August 26th, 2007 at 10:43 PM..
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Old August 27th, 2007, 12:27 AM   #9
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are those audiobahns?
ive seen vids of 2 8" Digital Dynamics hit 150.5 on the termlab

also i dont know much about free air setups but if your looking for some of the good stuff check FiAudio.com
seems like this company has really come up big in the last year
heres one 18" fully loaded BTL doing some damage
http://s113.photobucket.com/albums/n...nt=BTLVID3.flv

and one last one.. 20,000watts and 4 18" BTL's.. this guy has some sick videos of his setup
http://youtube.com/watch?v=ND-Kd86t9ZE
Yes.. haha, why?
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Old September 11th, 2007, 12:05 AM   #10
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Originally Posted by XxAznJoexX View Post


meet king and his brother kong
lols that cracked me up... w7's?
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