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Simple passive 2-way for car doors?
(trying to avoid car audio troll fests if possible)
I'm going to be gutting the stereo in my new car, and was considering my options for the front door speakers (lots more I'm pondering, but we'll just keep it to this for now. I could spend $500+ on some really good passive 5.25" 2-way components... or I could design my own I suppose with your help
No matter what I do all will go behind the stock grills... so I don't need grills (they're all so damn ugly anyways, aren't they?)
Total impedance of tweet/woof/crossover to be 4 ohm nominal.
Tweeters will be in the sail panels as you would expect. Obviously they can't be some flanged design. Small.
5.25" woofers, much to my joy, are located quite high up in the doors, a good 6" higher than your typical down-by-your-feet car door woofers... so the spacing between the woofer and tweeter isn't too bad... on the downside this means a good sized 6"+ won't fit.
No clue what the volume of the door is, and of course it ain't sealed... so would this be an IB design of sorts? (he asks a bit naively)
Want to go aluminum or poly woofer to avoid any issues with moisture... poly best in this regard?
Woofers will have to be low profile of some kind.
So... any suggestions?
Thanks
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Re: Simple passive 2-way for car doors?
Oh, and they'll be high passed with a sub, so they don't need to dig that deep.
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Re: Simple passive 2-way for car doors?
Wanna keep it to PE components. I always support PE whenever possible.
Form does not follow function
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Re: Simple passive 2-way for car doors?
The 5" Dayton RS looks like like it might work well, I think it's shallow enough... so there's a good starting point, I don't think it can be much if any deeper.
I will probably have to take a door apart simply to get a better sense of how much room I really have... but let's start there for now.
Form does not follow function
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Re: Simple passive 2-way for car doors?
I hate blue speakers.
I need components. Tweets in the sails and mids in the doors. So those don't make sense.
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Re: Simple passive 2-way for car doors?
I know you said PE, but Zaph has a two way with his woofer and a small flange Seas tweeter.
www.zaphaudio.com/ZA5/
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Re: Simple passive 2-way for car doors?
Are you going to measure these speakers in car? If not, will it really be any different than using a generic crossover? Then, will it really be any better than some mid-range retail component options?
That is a real question btw, not just rhetorical.
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Re: Simple passive 2-way for car doors?
Are you going to measure these speakers in car? If not, will it really be any different than using a generic crossover? Then, will it really be any better than some mid-range retail component options?
That is a real question btw, not just rhetorical.
Maybe not. But it'll cost a lot less. I'll bet for under $200 in components (and rolling my own crossovers) I can have some REALLY nice speakers in my car... better than if I spent 2-3 times as much on pre-made car stereo component speakers.Form does not follow function
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Re: Simple passive 2-way for car doors?
I really don't trust a phase plug driver in an automotive environment, although I have no empirical data to back that up. DA135's in that spot might be nice, though....and maybe the Vifa OX20 to go along with it? Maybe you could whip up a little horn loaded WG for the OX20 in the sail panel....
Mark
You know I'm born to lose, and gambling's for fools,
But that's the way I like it baby,
I don't wanna live forever,
And don't forget the joker!~Lemmy
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Re: Simple passive 2-way for car doors?
Have you considered alternative mounting locations? I don't know what kind of car you have, but is there any space available in the kick-panel area? Any place they can be mounted that will help equalize the path lengths from each side to your ears?
If you're serious about getting good sound, it's really difficult when you're close to one speaker but far off-axis, and on-axis with the other speaker that's much further away. Some people try to fix that with delay and independent channel EQ, but that makes it even worse for the passenger.
It really doesn't matter how good the drivers are if they're not in a good location for stereo imaging at the listening positiion. I'd rather listen to that cheap Aura coax pair in optimized kick-panels (usually implies angled upward & inward, towards the dome light) than a $500 component set placed high in the doors...but hey, maybe that's just me.
Last edited by nod; Yesterday at 10:27 PM. Reason: spelling
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Source: http://techtalk.parts-express.com/showthread.php?234967-Simple-passive-2-way-for-car-doors
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