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Opinions on 8W7?
I've decided to get 3 8" subs, and now I'm deciding between the Soundsplinter RL-i 8 or the JL 8W7. I've heard great things about both by I myself have never heard an 8" driver so I'm a bit skeptical. I'm getting an 88 Chrysler LeBaron and am now trying to decide how to get 3 8" subs in the car nicely..I would like to find a way to put them in the actual car rather than the trunk. Another concern I have is my amp. Right now I have a 15" sub with an Earthquake PHD5000 and they worked together nicely, but now I'm just wondering if it will sound good with 3 subs. Basically I have three questions:
1. What would be the best way to fit 3 8" subs into a car in ported boxes? 2. What would be the best way to wire these three subs to my monoblock amp (selling isn't an option because my gf bought it for me lol)? 3. Which are the better of the two kinds of subs? Thanks for the help. |
keep what you have!
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well the reason i was trying to get new subs is because of how small they are..my sub right now is the jbl w15 gti in a 6.5cuft box tuned to 35Hz..so it's pretty big. its the 3rd box ive made for it and im finally happy with how it sounds, but now im getting a smaller car. i also would like to have some hard punches with the subs rather than the rolling bass. 8's just seem like more of a convenience. why is it a bad idea?
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buuuuuump
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Keep the JBL and put it in a sealed enclosure if you need to get some trunk back. It is a better sounding driver IMO.
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You'd need more amps and crossovers, but i'd keep the 15" sub for 20-60hz and use the 8"s for midbass, 60-150 hz.
You won't get lows from 8's. |
or keep the 15 and IB it to save some room if thats a viable option?.....if not, then sell me the 15 for cheap :)
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Originally Posted by Tom.F.1
(Post 323053)
You'd need more amps and crossovers, but i'd keep the 15" sub for 20-60hz and use the 8"s for midbass, 60-150 hz.
You won't get lows from 8's. |
and why the hell would you use a sub for midbass duties? :dunno::sly:
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Originally Posted by df.dima
(Post 323062)
and why the hell would you use a sub for midbass duties? :dunno::sly:
a lot of 8's will play lower than some 15's, all depends on their design and purpose. A blanket statement like "15's for lows, 8's for midbass, 4's for midrange and 1's for tweets" is just wrong. IMO |
Yeah I thought about keeping the 15 for the lows too, but it's really just a space issue. And MTT I'm not really sure what IB means. I guess I'm still a bit of a noob. But this is the way I think of it... the reason for low bass is the amount of air pushed, so that means the surface area of the cones...so the surface area of 3 8" subs would be similar to a 12" would it not? Correct me if I'm wrong by all means it just seems to make sense lol. It just seems ideal because it would be able to get some nice drum kicks for metal and also handle decently (although not as well as the 15) some of the lower ranges.. also it just doesn't seem like I'd be doing this sub justice by putting it in a sealed box. I'm really having a hard time deciding because I have mixed feelings about this sub..it's great for the lows and would be really loud (for my standards anyway) but it lacks the punch of smaller subs. This isn't my only option though, I'm open to suggestions.
Oh and take note that my friend offered me 600 for my sub in the box lol. |
A subwoofers diameter does not necessaraly play a role in how low it can produce frequencies. It's more about it output ability. The 8w7 plays low and loud. But it's still not in the same league as a JBL 15GTi (which is the best allround 15" in production today, IMHO). Just not a fair comparison. If you want to save space, stick the GTi in 1.5ft3 sealed (plus displacement) and you should be very happy. It will still play low and loud. The 8w7 needs a big box, so 3 of them will not save you any real space. The Gti is also more effeicent then the 8w7, which helps to.
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ok you're probably right. I seem to be getting alot of people telling me to keep it. Would I get some better kicks if i just got some nice mid range speakers? I listen to a wide variety of music so I guess I'm just trying to get the best of both worlds. Will this sub in a sealed box still be loud when it's way back in the trunk? the seats don't fold down..
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Loud is a relitive term. I think it will be loud, yes. Having a good midbass driver may be a better option for you. There are lots to choose from.
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I listen to metal as well, the chest caving kick you're looking for doesn't come from a sub, part of the note will, but the attack of it comes from the midbass, get yourself some kickass midbass and I think you'll find the sound you're looking for...and save some money in the meantime.
You dont have to go crazy expensive, but Dima (also of Team Fozzz) is running some lotus 8's for midbass duty and they cover the kick-drum VERY well. |
Originally Posted by fozzz
(Post 323077)
A subwoofers diameter does not necessaraly play a role in how low it can produce frequencies. It's more about it output ability. The 8w7 plays low and loud. But it's still not in the same league as a JBL 15GTi (which is the best allround 15" in production today, IMHO). Just not a fair comparison. If you want to save space, stick the GTi in 1.5ft3 sealed (plus displacement) and you should be very happy. It will still play low and loud. The 8w7 needs a big box, so 3 of them will not save you any real space. The Gti is also more effeicent then the 8w7, which helps to.
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yeah that sounds like a good idea i suppose. never really been a fan of sealed enclosures though. But then again I've never actually heard a good sealed enclosure because I've just been fed the idea that ported means better. So what are some recommended midranges and where can I get a nice sealed box design?
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Sealed is "better", ported is just "louder" but more detrimental to SQ. I ran 4-8" subs in an '86 MR2 with 250wrms to each and it hit so hard that the tops of the doors would flex away from the weatherstripping!!! "going low" with the 8's definitely wasnt an issue but blurred vision was.
In the sense that you've already got a nice 15 though... a smaller sealed enclosure is way more $$$ friendly and the box size for 3-8" sealed (approx. 0.75- 1 ft3 each) will actually give you the exact same size box as a 1.5 ft3 sealed box for the 15 you've got. Just my $0.02 |
yeah i was curious about 8" subs for the exact reason you just explained. i would love to have something that hits as hard as those. although this does seem like the better idea because this way i'll have lows and all i'll have to buy are some mids...are there some suggestions for good mids? i really wanna feel the drum kicks. and also, is there a good place to get a nice design for a box?
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Originally Posted by tonez735
(Post 323148)
Sealed is "better", ported is just "louder" but more detrimental to SQ.
I think that notion comes from people who can't make a good ported box. |
I actually do have a great ported box right now, but it just won't fit into the trunk...I'd love to put it in the car but it seems like my only option is sealed. Lol I'm looking for some midbass options guys, I need some kick! I'm not gonna be buying them for a while but I'd like to pick something out.
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1 Attachment(s)
For some reason I feel like I have nothing better to do on Sat morning, so let's get the numbers into winisd and this is what we have.
orange is your 15 wgti in 6.5@35hz box and yellow is 3 8w7s in 4@35hz box, just for shits and giggles i dont know if its good for 3 of them. basically your 15 gets louder. 3 8s is just slightly behind it. this is just mathematical model, factor in the cabin gain and who knows whats going on. :D you might have even bigger peaks or dips somewhere other than one already created by the port. this isn't exactly whats going on, but it's a relatively good way to find out where you might be and where you may be going, just a ballpark. unless you enjoy living in the caves lol. damn my team members for getting you into this "better midbass" thing. :cheeky4: i think it is more work than doing any kind of box and dropping it into the trunk. you start with two simple words above and end up with hours of work and a hole in your pocket (hole size depends)... :)
Originally Posted by MTT
(Post 323083)
You dont have to go crazy expensive, but Dima (also of Team Fozzz) is running some lotus 8's for midbass duty and they cover the kick-drum VERY well.
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Originally Posted by AAAAAAA
(Post 323277)
A lot of people would disagree with that including myself.
I think that notion comes from people who can't make a good ported box. |
Originally Posted by df.dima
(Post 323436)
For some reason I feel like I have nothing better to do on Sat morning, so let's get the numbers into winisd and this is what we have.
orange is your 15 wgti in 6.5@35hz box and yellow is 3 8w7s in 4@35hz box, just for shits and giggles i dont know if its good for 3 of them. basically your 15 gets louder. 3 8s is just slightly behind it. this is just mathematical model, factor in the cabin gain and who knows whats going on. :D you might have even bigger peaks or dips somewhere other than one already created by the port. this isn't exactly whats going on, but it's a relatively good way to find out where you might be and where you may be going, just a ballpark. unless you enjoy living in the caves lol. damn my team members for getting you into this "better midbass" thing. :cheeky4: i think it is more work than doing any kind of box and dropping it into the trunk. you start with two simple words above and end up with hours of work and a hole in your pocket (hole size depends)... :) forgot to add my "Crappy Install Squad" addy... One thing I probably realized after getting them in is that doors are good, but not optimal for these little babies. I told you I get that "feels like metal panel" sound from them. :( |
yes, pretty much 2db close theoretically. :D
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yeah well my midbasses wouldnt go in the doors, id either put them in the rear deck or just in boxes somewhere up front...doesn't really have to look pretty i just want it to sound good. what mids are you using exactly and how do they sound? And why do you think it'd be more expensive/more work to get mids? Wouldn't I only need a little amp and two or four mids? I have an extra 2-channel 800 watt ultimate amp thats one ohm stable, if thatd do the trick. would you have another suggestion? should i just get one 8w7 to go with the 15 instead of mids? sorry for all the questions lol and dont worry about your saturday, i spent it working at the checkout in foodland lol.
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oh and i forgot to ask what you would do..keep the 15 or get some 8's? or w.e you may have planned.
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buuuuuuuuump
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i still need suggestions to find someone to design me a sealed box and i wouldnt mind some suggestions from dima cause you said you wouldnt do it the way im going to lol. any ideas?
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