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Old 12th April 2005, 06:53 PM   #1
diyAudio Member
Join Date: Jul 2004
Location: United States
Default Line array wiring suggestions

It’s almost time to wire up my line arrays and I was pondering if I should go with a 3.6 ohm load on the woofers or a 14.4 ohm load. They’re 6ohm drivers, 10 in all, with a Fountek JP-2.0 tweeter in the center. They’re 89db/2.83v so my rough guesstimates yield a sensitivity of 101.5db @ 3.6 ohms and 95.5db @ 14.4 ohms. These will be using a Behringer DCX2496 active crossover.

3.6 ohms = a-a-a-b-b-T-c-c-d-d-d
14.4 ohms = a-a-a-b-b-T-b-b-a-a-a

I doubt I’ll ever have to put more than a few watts into the woofers so I was leaning toward the 14.4 ohm configuration. However, if I ever decide to give them away and use a passive crossover on them the 3.6ohms would be helpful in dealing with BSC due to the higher sensitivity of the woofers. The Fountek, if I remember correctly, is 98db/1w.

Thanks for any input!
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Old 12th April 2005, 11:14 PM   #2
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Join Date: Jul 2004
Location: United States
Thanks for the input so far!

I thought I'd upload a picture I took 5 minutes ago. I just got the baffle flush and used the roundover on the cabinet. Not too shabby for a first time woodworker, eh? I know this is probably an insane project for a first timer, but I really wanted to make my first pair of speakers stand out and be worth all the time and effort. Thanks again to everyone who has given me input and suggestions!
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Old 12th April 2005, 11:24 PM   #3
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Join Date: Feb 2004
Location: Racine, Wisconsin
3.6 is mighty low and 14 is kind of high. How about:

aaaa b t b aaaa

That should get you 6 ohms.
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Old 12th April 2005, 11:28 PM   #4
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Join Date: Feb 2004
Location: Racine, Wisconsin
By the way, the cabs look very nice. It's a shame that LA's are your first project because you will never build anything else...

...with the possible exception of open baffle line arrays. I can't wait to hear about your first listening experience. Keep us posted.
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