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im thinking of getting 4 subs from JL... 10"W0

anyways.. i know its a little old.. but is the best way is an isobaric setup or Bandpass? or what do you think...

 
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i wouldnt use either of those setups IMHO, and there really isnt a "best way" ... what do you want them to do...

 
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with those woofers, SQ isnt too much of an issue, and even a flat response is not desireable as far as total output is concerned. w0 dont port very well, at least *most* people think abd beleive that.

i personally would do all of them sealed in a W configuration (baffle looks like a W with one woofer on each side of the W) rearfiring in a box about 5 cubic feet sealed. a bit overlarge box, but better to overbuild then stuff the box with something to take up extra air then to build it too small then have to get loads of stuffing to put in there......

 
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so in other words..

these subs suck ***!!!

 
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They do not suck at all! My friend has some in his truck and they sound great!! He only has I think about 100 watts to each I think. They are good as long as you don't give them two much power...if you want to run more power maybe a W3

 
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why 4 10w0 and not 2 10w6?

 
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I was told w6's work better in odds. If you want to run 2,4,6...subs use w3's. to run 1,3,5....subs use w6's. That is what I was told at my install place. I run two w3's on my fosgate 800.2

 
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My bro does custom installs/ does SPL contests. He told me that W6s are meant to be run in sets of three. He explained it to me, but I wasn't listening. Two 12W3s would be better IMO, coz they'd sound just as full, but take up much less space. If you car is lowered, you might have a saggy rear end with four subs. But if you're not worried about weight, get some 15W3s!

 
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man, this will take a minute....

ill start with vinylman. why 4 10w0? price is always a factor, and there is also an aesthetic factor as well, they look the same as 10w6, but some people love the multiple sub look. i personally love the three sub setup, more than ill ever love 4 or 2 or even 1 (one usb is a close second tho...) its all opinion. to say that 2 10w6 WILL sound better than 4 10w0 properly installed each is almost irresponsible. the way a woofer sounds is almost purely subjective, installation allows for a great deal of creative freedom.

besides, they are cheap, you cna get one now, one later, then 2 more a month from now [IMG]i/expressions/face-icon-small-wink.gif[/IMG]

to HShadow: w6 are 6 ohm dvc woofers. they dont work better or worse in odds than evens, but the impedance configuration (ohm load) will be awkward at best in any number of woofers other than a multiple of three. in multiples of three you can wire them to 1, 2, or 4 ohm loads, depending on the way you wire and how many woofers you have, in pairs, you start to get odd numbers like 1.3333 or 2.6666 and such. not all amps like those kinds of loads, oldskool kicker comes to mind, but in the end, if hte amp is stable at that load, it makes no difference.

white, you and yoru friend are absolutely right, the w6 was designed to run in multiples of three for ideal resistance loads. but 2 12w3's may sound more full in your opinion, but in mine and my installers and many others, they sound terrible. back to my original point, SQ is highly subjective. may be your ideal woofer (my own ideal woofer is actually an entry level woofer, even mohawk chose a mid-level woofer for his ideal) but may not be the best woofer in this situation.

firthermore, weight is not the only concern in choosing a size woofer, which was not even touched upon. size is all about frequency response. from a purely mathematical standpoint, 4 10's will have approx same displacement as a pair of 15's (similar SPL) however, if you hate rap and listen only to rock, what a terrible idea a pair of 15's would be! they wouldnt be able to get CLOSE to the frequencies played by most rock music! much the same way, if you like electronica or rap, 10's just arent going to play low enough to cover the response that those musics have! (15's wont play high enough for electronica, either)

of course its all case by case dependant, like eclipse titaniums, the 12 is basically turned into an 8 cause the surround is so big, and other woofers like the shiva, where the 12 plays likea 15, but its a general start.

you start by picking the woofer size that goes with the music you listen to. then you choose the brand woofer that conforms to the space requirements, your budget, and yoru quality desires. you buy as many as you want, to fufill your volume desires (i love the sound of the tempest, but its not loud enough for me, so i bought three) THEN you pick an amplifier that will put out teh neccesary power needed to push those woofers to the desired amount.

most people start the other way around, buy an earthquake D2 or a jbl 1200.1 cause its boatloads of cheap power, then try to fit woofers in with teh rest. doesnt work out too well.

i remember building a box for my friend. loved rock music, but didnt realize that. bought 12's and was fine for rock anyways. needed a HUGE box, but that was ok, built it isobaric. wanted loud, so built it ported. wanted flat response, so built it ported low. oops, he liked rock, suddenly its response was too low for rock, and sounded sloppy and quiet playing rock. eminem was unreal, but rock? box looks awesome, but the whole install was moot, cause tho it looked and sounded great, and was loud as ****, it played the wrong frequencies for his style of music.

start with vehical and musical tastes. THEN choose the rest.....

 
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Very well said!!!

Too many people worry about "optimal enclsures" and such. Most who do can't tell the difference betweena .85 and .72 q. Many subs suspensions won't allow for a .707 alignment. Like my eclipse 15 alum. in more than 2 cubes it gets downright sloppy if it 's playing any more than 1 note at a time.. in 1.5 cubes it's very clean tight bass that will put most 12's to shame. in 1.5 cubes it's at a .82 Q. but it's as good as the woofer will sound under varying music types.

The Boston Acoustics 12.5LF is arguably one of the best sounding woofers available for all listening tastes. they work in 1cube sealed.. put them in 1.3 they get fluttery.. put them in .8 they sound boomy ...in 1.0cubes..the "q" is .83..... Subs like the Shiva in rather large enclosures can have a .707 q and sound tight and awesome. "Small box" woofers generally have VERY loose suspensions..in large enclosures they don't have enough acoustical suspension too operate optimally...

The best system I've heard as far as bass goes was in a 96 Prelude. it was a pair of 12" PPI C2 subs off an older PPI2600.2 it was setup awesome..

I've heard alot of W7's in various setups..it's a very good sounding sub..but it just didn't sound as good to me....

some of my favorite all around subs cost $79 a piece..Cerwin Vega HED's..they sound pretty good.. hit good. and are cheap. The Shiva's I've never heard...the Tempest requires a fairly large box..but sounds incredible.

Audiophile subs and such which will make a true audiophile happy generally work best in VERY large low tuned ported enclosures.. like 3.5cubes for a single 10 tuned down to 23-25hz..

All this rambling and the main point is. Your equipment is only 20-25% of how good your bass will sound. Setup, install, cabin gain and music the other factors