XV15 or XV30 - AVS Forum
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post #1 of 20 Old 11-06-2013, 12:48 PM - Thread Starter
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Hello all.

My current setup is Klipsch RF82's with RC52 with RS 52's. 85% HT and 15% Music. I am currently using a POLK audio PSW505. I finally received the green light from the Wife to purchase a XV15 (or 30 maybe). Here is my dilema. I can purchase 1 XV30 and leave it at that. Or I can purchase 1 XV15 for now and add a second one June of next year. Which direction would you guys go.

Would you guys recomend any other subs.

Also I was thinking of upgrading my Denon 1911 to an X4000. I like the idea of a Sub EQ and the faxt I can see the volume controll overlayed on the screen. Bothers the wife more than me but If I am going to upgrade I would like to slightly future proof myself with te X4000.

Thanks in advance Eric.
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post #2 of 20 Old 11-06-2013, 01:07 PM
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Most will tell you two is better than one, unless your room is small and presents few problems.

How big is the TOTAL space, including all spaces open to the listening room if not sealed?

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post #3 of 20 Old 11-06-2013, 01:11 PM - Thread Starter
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Space is 13X20X8 roughly. Dining room and living room are attached. 36" wide opeionig to kitchen and 36" wide opening to hallway. No doors but not sure if I need to count that area as well.

Ceiling is exposed joist 24" on center 4X6's that have an upward slant from 8' (right of Main LP) to 10' (left of Main LP)
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post #4 of 20 Old 11-06-2013, 01:57 PM
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I would go with duals myself in that room. How about two SVS PC12-NSD for $1,299 shipped which is the same price range as a single PSA XV30. They won't have as much output above 30hz as dual XV15, but should be plenty in that space.
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post #5 of 20 Old 11-06-2013, 03:36 PM - Thread Starter
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WAF not infavor of huge cylinders. I can fit the XV30 at the end of my sectional like an end table. Already sold her on that idea. Second idea is to do the smaller XV15 and put one behind the recliner and the other where I would put the XV30.

On another note if I get the X4000 should I keep the PSW 505 as a second sub?
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post #6 of 20 Old 11-06-2013, 04:27 PM
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Quote:
Originally Posted by bignose94015 View Post

WAF not infavor of huge cylinders. I can fit the XV30 at the end of my sectional like an end table. Already sold her on that idea. Second idea is to do the smaller XV15 and put one behind the recliner and the other where I would put the XV30.

On another note if I get the X4000 should I keep the PSW 505 as a second sub?

That's a pretty big space all together. I would call PSA and ask them which is the better option. I would think the XV30 now near field like you are planning and then probably add an XV15 next year. You might or might not need one.

Like I said, give PSA a call and see what they have to say.

And no, you shouldn't even try to put your 505 into the mix with either of those two subs.

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post #7 of 20 Old 11-06-2013, 04:40 PM
 
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You really do have a conundrum here. Without room measuring capability, you'll never know what to do. First things first, download and get a freeware copy of REW. Play with the subwoofer you have. Move the sub around to the locations you mentioned and measure the room's response to the subwoofer at the main listening position. Without doing that first, one will never know which is the best way to go.

How about you buy a XV30. Measure the response and then in frustration, throw a pillow on the living room floor and explode saying: "I can't do this!" eek.gif

Explain how sorry you are and detail out how you tried to get the XV30 to blend with the room's acoustics but unfortunately, no matter what you do, the only way you can make it work is to buy an additional XV15 and go from there. tongue.gif
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post #8 of 20 Old 11-06-2013, 07:02 PM
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Just one week ago I was in the same situation you are in. I emailed Tom at PSA about twenty times with all sorts of questions, one was whether a single XV30 would be as good as dual XV15s. My room is a little larger than yours but not much. He said that a single XV30 would give the same extension, output and sound quality as two XV15s. But two XV15s would give you a little smoother bass and more even bass coverage over a variety of seating positions.

 

In the end I didn't have a place I could put the XV30 so I opted for the XV15 which just arrived today (and it is incredible, I really mean that). I do plan on adding the 2nd XV15 in month or so while I save up a little. I think you would be happy either way but two subs are usually better than one for the reasons mentioned above.

 

Don't hesitate to contact PSA. Tom is great and will answer any question you have. He even responded to my email on a Saturday night.  

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post #9 of 20 Old 11-06-2013, 07:24 PM
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Go with duals to maximize the performance and sound quality of the system. The XV30 is a beast and limits the options to place the sub for most. Also Dual XV15's can yield a performance gain over one XV30 depending on placement. I gained 5db going from 1 XV15 to duals, and a other 4db adding the 3rd. So essentially I have the same performance as dual XV30's, 400.00 cheaper, and a smoother response with more even coverage across the seats.
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post #10 of 20 Old 11-06-2013, 11:41 PM - Thread Starter
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Thanks for the advice. What is the most cost affordable way to implement REW. I have the software but I need a mic, external sound card ect ect.

Thanks,

Eric
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post #11 of 20 Old 11-06-2013, 11:43 PM - Thread Starter
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Will send an email to Tom. thanks for all of the advice.
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post #12 of 20 Old 11-06-2013, 11:44 PM - Thread Starter
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Quote:
Originally Posted by basshead81 View Post

Go with duals to maximize the performance and sound quality of the system. The XV30 is a beast and limits the options to place the sub for most. Also Dual XV15's can yield a performance gain over one XV30 depending on placement. I gained 5db going from 1 XV15 to duals, and a other 4db adding the 3rd. So essentially I have the same performance as dual XV30's, 400.00 cheaper, and a smoother response with more even coverage across the seats.

Even if I cant put them at equal distances from the main LP?

One would be 6' from main lp and the other about 4'.
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post #13 of 20 Old 11-07-2013, 02:01 AM
 
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Quote:
Originally Posted by bignose94015 View Post

Thanks for the advice. What is the most cost affordable way to implement REW. I have the software but I need a mic, external sound card ect ect.

If using a laptop, then a USB measuring microphone will get you started.

If you're using a desktop like I am, you'll need a phantom amplifier and possibly additional patch cords between where the desktop is located and where the AVR is located to get the test tones to the room for measurement and back to the desktop again.
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post #14 of 20 Old 11-07-2013, 07:06 AM
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Originally Posted by bignose94015 View Post

Even if I cant put them at equal distances from the main LP?

One would be 6' from main lp and the other about 4'.

That does not matter...here is a pic of my setup.

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post #15 of 20 Old 11-07-2013, 08:09 AM - Thread Starter
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Quote:
Originally Posted by BeeMan458 View Post

If using a laptop, then a USB measuring microphone will get you started.

If you're using a desktop like I am, you'll need a phantom amplifier and possibly additional patch cords between where the desktop is located and where the AVR is located to get the test tones to the room for measurement and back to the desktop again.
Can I use the USB MIC with my desktop?
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post #16 of 20 Old 11-07-2013, 08:15 AM
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Can I use the USB MIC with my desktop?
Does it have a USB port?

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post #17 of 20 Old 11-07-2013, 08:31 AM
 
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Quote:
Originally Posted by bignose94015 View Post

Can I use the USB MIC with my desktop?

Yes.

If you have a USB port (which I suspect is a given), being able to use a USB measuring microphone will depend on the distance from the desktop USB port to the measuring microphone. My understanding, USB has serious distance limitations of about fifteen feet. Maybe someone more knowledgeable on this issue can weigh in with correct, accurate information as my researched showed me, USB was limited to fifteen feet.

I used a phantom amplifier to increase the signal from the measuring microphone to the desktop (measuring microphone patch cord). The phantom amplifier is powered by the USB connection so an ancillary power plug is not needed but a phantom amplifier and long patch cords from the computer's microphone out, located on the front plate of the computer, to the AVR's stereo in, located on the front plate of the AVR,increasse the price by about eighty to a hundred and twenty dollars when one does the math between the difference in price between that of a USB measuring microphone and a standard measuring microphone, phantom amplifier and extended length patch cords.

And we can't forget a boom stand needed to position the measuring microphone. Pretty much, the above links will get you where you want/need to go.

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post #18 of 20 Old 11-07-2013, 08:53 AM - Thread Starter
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Quote:
Originally Posted by Bill Fitzmaurice View Post

Does it have a USB port?

Yup. Seems liek the cheaper solution so I do not need to by a sound card and other cables. 15' usable length will be adaquete for getting from my PC to the main LP.
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post #19 of 20 Old 03-19-2014, 07:39 PM
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Originally Posted by basshead81 View Post

Go with duals to maximize the performance and sound quality of the system. The XV30 is a beast and limits the options to place the sub for most. Also Dual XV15's can yield a performance gain over one XV30 depending on placement. I gained 5db going from 1 XV15 to duals, and a other 4db adding the 3rd. So essentially I have the same performance as dual XV30's, 400.00 cheaper, and a smoother response with more even coverage across the seats.

Hi there, great post ... If I have a 7.2 receiver, how would I eventually connect a 3rd sub?? Thanks!!!

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post #20 of 20 Old 03-19-2014, 08:56 PM
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Hi there, great post ... If I have a 7.2 receiver, how would I eventually connect a 3rd sub?? Thanks!!!

Thanks! a Y splitter from monoprice or rat shack will work fine.
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