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Need help with XTI4000

xti4000

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#1 hispanictitanic75

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Posted 26 March 2014 - 07:46 PM

I am running two Yamaha Dual 15's with my Crown XTI4000 and I am wanting to add two single 18" Yamaha subwoofers to this set up. Will I need to buy an additional amp or will the Crown XTI 4000 have enough power to push all of these speakers and still get a great sound?

#2 dakos

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Posted 28 March 2014 - 04:27 PM

That depends on how far you want to push those speakers, you didn't post links to actual products so I can't say for sure but it will probably not be enough for two 18" subs on one channel. Two 15" speakers, could be done with one channel of the 4000.

It would be helpful if you post links to the actual cabs you have in mind.
Avi

#3 hispanictitanic75

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Posted 31 March 2014 - 02:21 AM

The two cabs I am using now are Yamaha S215V. I am using the Crown XT4000 to push those. I am wanting to buy two of the Yamaha SW118V cabs.

#4 hispanictitanic75

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Posted 31 March 2014 - 02:31 AM

http://usa.yamaha.co...18v/?mode=model

http://usa.yamaha.co...15v/?mode=model

Here are the two links.

#5 dakos

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Posted 31 March 2014 - 10:58 AM

From what I know, the S215V is a little weak in the lows so the addition of the 118V would be welcome, but, the XTI will be put to its limits with just a pair of S215V connected to it. To add the 118V on the other channel would be asking allot from it. In addition the two S215V, when connected in parallel, would sum up to 2 ohms nominal impedance, which will go down even further during operation, this isn't recommended.

I would suggest you buy an additional amp that better handles subs and leave the XTI with the S215V. Another XTi or a used itech would do the job.

Do you have enough budget for an additional amp?
Avi

#6 hispanictitanic75

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Posted 06 April 2014 - 11:59 PM

Thank you! Yes, I was considering buying an XTI 2000 just for the two subs

#7 dakos

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Posted 07 April 2014 - 01:49 AM

IMHO you need at least XTi 4002, or two XLS amps. Those subs have low sensitivity and lower power compared to your speakers, combine them with a relatively low power amp and you might end up with a less effective addition to your rig then you'd want them to be.
Avi

#8 hispanictitanic75

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Posted 08 April 2014 - 07:20 PM

Ok, thanks for the help and the advice.





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