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Bavarian Soundwerks' Mobile Electronics Forum
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Old 11-28-2004, 11:11 PM   #21
stewey
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Quote:
Originally Posted by rcurley55
Run the comps up front, stealths in the rear on a very capable amp (more power the better) and I'd see how that goes for you.

That's what I would do if it was me....
Thanks! You've got me leaning back towards the stealthboxes for the time being. Why complicate things right!?!

Would you run them in parallel (4 ohms / mono) or stereo?
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Old 11-29-2004, 08:01 AM   #22
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Quote:
Originally Posted by rcurley55
The question is not what to use in the back - 6.5 or 8" and then add sub....the idea is to use the 8IB4's as subs.....

An IB alignment will reinforce low bass more then a sealed setup would --- remember, an IB setup is essentially a very large sealed enclosure....According to Hoffman's law, keeping power the same, as box size increases, so does low end response.

Ask anyone who has IB IDMAX's - they get WICKED low....
I guess what I am trying to say is that I consider most 8" drivers to be ideal midbass speakers...not subs. Although there are some exceptions, 10" subs or larger are more efficient and better at handling low bass.
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Old 11-29-2004, 06:54 PM   #23
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For sure. I agree with that. I'm fairly concerned about space though, so I think a 10" driver is out of the question. 8" will have to do

Quote:
Originally Posted by bigjae1976
I guess what I am trying to say is that I consider most 8" drivers to be ideal midbass speakers...not subs. Although there are some exceptions, 10" subs or larger are more efficient and better at handling low bass.
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Old 12-01-2004, 08:54 PM   #24
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Just a random Idea. (may not even be posible)

Has anyone ever tried to put a FA 8" behind the center display. Is there even room up in there? If a mount could be made then that speaker could run the Mid bass (80-300) up front where it belongs, and you could still run the comps 5.3/4 or 6.5 with tweets for the mids (300 and up) in the stock door panel and put a 10"-12" in the rear for the 80 and down.

Is this even posible in the E-46? and would it work acousicly?
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Old 12-01-2004, 10:04 PM   #25
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Originally Posted by jonny-Q
Just a random Idea. (may not even be posible)

Has anyone ever tried to put a FA 8" behind the center display. Is there even room up in there? If a mount could be made then that speaker could run the Mid bass (80-300) up front where it belongs, and you could still run the comps 5.3/4 or 6.5 with tweets for the mids (300 and up) in the stock door panel and put a 10"-12" in the rear for the 80 and down.

Is this even posible in the E-46? and would it work acousicly?
Generally, I'd never rule anything out acoustically, but much of the information from 80-300 is in stereo, and is very directional, and pathlengths are also important, so in that case, yes, it would probably screw things up acoustically. Then again, you never know until you try.

As for the center display, I'm guessing you mean behind the headunit? There's no room back there that I can find. It's full of duct work for the heater and all kinds of other goodies. The only thing I've seen in the middle of the dash for an E46 is a 5.25" PG comp set for a center channel. The fabrication work would be very involved to make that happen, and probably isn't worth it.

Any good door install with good drivers shouldn't have a problem reproducing down to 80Hz at moderate levels IMO.
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Old 12-01-2004, 11:23 PM   #26
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I've got DA Hexes in my door and they play pretty good when unfiltered. The problem is the whole path length thing to get a centered image for the driver and passenger...which is important to some.
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Old 12-01-2004, 11:26 PM   #27
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yeah, I had the same issue with them - relatively weak midbass response, and I could run them unfiltered at high volumes without breakup - it was almost like they were internally highpassed at 200 or something....

have you tried flipping the passenger side midbass out of phase? While it may hurt midbass performance a bit, it should center things up for you a bit....give it a try.
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Old 12-01-2004, 11:35 PM   #28
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That's exactly how I have it, the pass side woofer out of phase, and the driver side tweet. You made me feel better about my decision.

I think DA was taking the midbass cabin gain into account but you are right, the mids aren't good for strong midbass. But, that's sort of a trade-off for a shallow depth speaker.
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