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I'm trying to figure out what the real differences (besides physical size) between say a 5 1/4" LCR and a 6 1/2" LCR? I would obviously get 7 of the same speaker, but I have a small room (15' x 13') and the price difference is quite substancial. They will be run by the new elite sc27 reciever and they will be combined with a 12" pinnacle or elite sub. I want to hit all of the frequency ranges, and it seems that I will be able to with both the 5 1/4" and 6 1/2", so when it comes down to it, what are the real differences and the real benefits to each. Will I notice any real difference at louder volumes?


here is what I'm looking to get.

http://www.store.pioneerelectronics....IW571L.Support


or

http://www.pioneerelectronics.com/PU....S-IW691L.Kuro


thanks
 

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if you're gonna be pairing a subwoofer with them, either would work well since you're gonna be setting the crossover somewhere between 80Hz to 100Hz.


Based on the specifications of both in-wall speakers you've listed, I would guess they're both good until down to 60Hz to 70Hz. (-3dB point was not indicated)
 

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It all depends on the output you want and how low you want them to play. At low volumes a 5.25" can work fine. At high volumes, a 6.5" will work crossed over above 300hz.


Twin 6.5's crossed over to a sub are about right for normal everyday listeners.


Maybe go to a store and listen to a few bookshelf speakers (plug the ports) without a sub. It'll kinda give you an idea of what a 5.25 and 6.5" mid can do.
 
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