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Two tens vs. 4 eights??

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Old 08-07-2005, 09:56 PM
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I just installed 2 Kenwood Excelon KFC-XW1025dB's in a sealed box and have them running off of a JL 500/1 and I have to say I am a bit dissapointed with both the SQL and SPL. The subs hit only moderately hard and sound a bit muddy. I had good experiences with the Memphis M-Class 12 inch subs for SQL purposes so I am wondering if anyone has any ideas on how 4 eight inch M-Class Memphis subs would sound compared to the 2 Kenwoods.

I am also considering swapping the Kenwoods for 2 of the Memphis 10 inch subs (the Memphis subs are a lot TIGHTER than the Kenwoods)!

Thanks!
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Old 08-08-2005, 04:26 AM
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Try a ported enclosure. If you don't have the airspace to port two tens then consider a single 12" sub capable of higher output and matching the 500/1 and run it ported.
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Old 08-08-2005, 10:56 AM
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I am also going to have to say go with a 12, you are going to be hard pressed to get the same low frequency extension out of a 10 or especially an 8. I am actually getting rid of the 2 10's in my car in favour of a single 12 for SQ purposes.
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Old 08-08-2005, 01:31 PM
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Originally posted by Dukk:
</font><blockquote>quote:</font><hr />Originally posted by Thrill_House:
I am also going to have to say go with a 12, you are going to be hard pressed to get the same low frequency extension out of a 10 or especially an 8. I am actually getting rid of the 2 10's in my car in favour of a single 12 for SQ purposes.
Your 2 10s have more cone area. More cone area = more bottom end. </font>[/QUOTE]My tens are very punchy and can get plenty loud but just they just dont have the greatest externsion in the lower frequency range, and as I compete in IASCA I real need an even response throught the sub frequency range.
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Old 08-08-2005, 01:31 PM
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Oh yeah and also my two tens dont have alot of cone area due to the oversized surround.
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Old 08-08-2005, 09:40 PM
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Well, after more tweeking (I spend too many waking hours of my life tweeking amps) the two 10 inch Kenwoods are sounding better. I still think I will try four eight inch subs one day just to see how it sounds. I think I will have more surface area than with the two tens and I might get a better quality response between 60-80 Hz. Thanks for the input.
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Old 08-09-2005, 09:40 PM
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Originally posted by Dukk:
Your 2 10s have more cone area. More cone area = more bottom end.
No, more displacement = more bottom end. [img]smile.gif[/img]
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Old 08-09-2005, 11:31 PM
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Lower Fb = more bottom end.
Cone area and displacement = more SPL.
It's the sub/box design that produces SQ.
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