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3-way 4-way - what to do

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Expand view Topic review: 3-way 4-way - what to do

by JeremyC » Thu Sep 18, 2008 12:43 pm

crap sorry

80 to 300

by falkenbd » Thu Sep 18, 2008 12:09 pm

Is that midrange? seems high for midbass.

by JeremyC » Thu Sep 18, 2008 11:51 am

700 to 5K or so

by falkenbd » Thu Sep 18, 2008 10:42 am

JeremyC wrote: I tried turing my time delay off and my mid bass and subs last night and the low end of my stage went to crap. So I'm afraid your going to run into the same problem.
If you all ready have a passive x-over and really don't want to go fully 4 way active then I sugest you use it for your mids and tweets, and mount them as close as you can.
What freq range do your midbass play?

by falkenbd » Thu Sep 18, 2008 6:11 am

I'd need to build a crossover to use it between my midrange and tweeters. My tweeters are 8 ohm so they'd be crossed at 1600 hz and the midrange (If it was 4 ohm) would be crossed at 3200 hz. I think I could handle it, I'd probably just build a LPF for the midrange and a HPF for the tweeter and still run them off their own amps so I could level match them.

by falkenbd » Thu Sep 18, 2008 6:07 am

I have a mono sub for my subs at the moment, so they'll have to be on the same delay.

The midbass however would probably need some left right adjustment, I see where this could be a problem.

by JeremyC » Thu Sep 18, 2008 1:14 am

Honestly man, I think running your subs and mid bass on the same rca out is a bad idea. The path length diffrence between the two subs is going to be enough that you will want to delay the left one a little.

Add in 2 more speakers, with completly diffrent path lengths and your going to run into issue.

I tried turing my time delay off and my mid bass and subs last night and the low end of my stage went to crap. So I'm afraid your going to run into the same problem.

If you all ready have a passive x-over and really don't want to go fully 4 way active then I sugest you use it for your mids and tweets, and mount them as close as you can.

You could always upgrade in the future to the MS-8 (if it ever comes out) and go fully active. Thats my plan.

by falkenbd » Wed Sep 17, 2008 8:32 am

I have a passive X over for my 2-way system. 12 db slope at 3200 hz.

by JeremyC » Wed Sep 17, 2008 8:13 am

No there is no way to TD them without having them on a seprate output.

Do the mids and tweets you have now have a passive x-over?

by falkenbd » Wed Sep 17, 2008 6:51 am

I'm not sure yet what the mid will be playing to, that is why I prefer the flexibility of the Clarion deck in order to use it that way.

I was hoping to avoid passive crossovers as I'd have to build and rebuild to change the crossover frequency. The mids and tweets will most likely be in the A pillar, so keeping them on the same t/a should be acceptable, maybe I could use an FMOD or active crossover to keep them on separate amps and allow me to level match them a little better.

Would there be a way to delay the midbass more than the sub if they were on the same output? Is there that much of a need to do so? You've seen where my subs are going, there is no way the path length will be close to what the path length of the midbass drivers will be.

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