10" and 12" sharing the same enclosure - diyAudio
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Old 22nd March 2006, 01:23 AM   #1
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Default 10" and 12" sharing the same enclosure

I've seen a couple of loudspeakers that have a 10" and 12" in the same cabinet. So I was wondering:

I have a Dayton Classic 12" and Classic 10".

http://www.partsexpress.com/pe/showd...number=295-320

http://www.partsexpress.com/pe/showd...number=295-315

Can they successfully share the same cabinet space (same air) if they are receiving the same frequency material. About 375hz and down? It would be a sealed enclosure if I tried this.

Thanks.
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Old 22nd March 2006, 02:21 AM   #2
Arx is offline Arx  Canada
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you'll have two diffterent response curves and resonance frequencies to deal with. Just because it's been done, doesn't mean it should be

Personally, I'd just use whichever is most apropriate for the current project, and save the other for later. Alternatively you could run them in seperate bands, but A 10 and 12 are probably too close to bother, and unless you're doing active crossover and seperate amps, your xover parts would be huge and expensive.

Another possibility if you didn't check it out too carefully is that the other one you saw may have had a passive radiator. Probably still tough to tune, but less so than two different size speakers.

-Nick
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Old 22nd March 2006, 02:46 AM   #3
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Yeah, its not a good idea to mix sub sizes to play the same fz, and to run your sub all the way up to 375hz? Thats terribly high. I usually wont even run mine up to 90hz.

Bruce
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Old 22nd March 2006, 03:30 AM   #4
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It would be for a subwoofer, but for low end in a 3-way speaker.

The point about the passive radiator makes sense. That's a possibility. After all, it was just pictures and brief descriptions I saw. I personally had never tried mixing woofer sizes and was surprised to see it.

Thanks for the info.
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