Official SVS Ultra 13 thread - Page 359 - AVS Forum | Home Theater Discussions And Reviews
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post #10741 of 10747 Old 01-30-2017, 04:39 AM
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Originally Posted by shareknow View Post
hello everyone,

My Room is 16 feet long, 12 feet wide and 9 feet high

Roughly 1700 cu.feet, should i go for Daul PB2000's or one PB13 ultra.

SVS says on their website that "Running two or more subwoofers improves low frequency performance in several ways, compared to running a single subwoofer. These include: reduced phase cancellation for more room-filing bass, increased headroom for deeper, harder-hitting output, easier room integration and reduced localization so it feels like bass is emanating from all around you."

will a single PB13 Ultra match the daul PB2000's benefits as suggested by SVS website.

Please help me, its kind of urgent.
Are you willing to buy a mic and some other gear and to run REW, to help calibrate and integrate 2 subs ?

MartinLogan Motion 40s / 30 / LX16s
Marantz SR5007 / UD5007
Emotiva XPA-3
SVS SB13ultra

exercise room: MartinLogan LX16s / SVS SB2000
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post #10742 of 10747 Old 01-31-2017, 06:53 PM
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Originally Posted by DacHawk View Post
<div class="quote-container"><span>Quote:</span>
<div class="quote-block">Originally Posted by <strong>Babel_Fish</strong> <a href="/forum/post/11407994"><img alt="View Post" class="inlineimg" src="/img/forum/go_quote.gif" style=""></a><br><br>
Where Are The Pictures??? <img alt="" class="inlineimg" src="http://www.avsforum.com/avs-vb/images/smilies/smile.gif" style="border:0px solid;" title="Smilie"></div>
</div>
<br>
New pic's for my Rosenut PB13 Ultra. Enjoy.<br><br>
I set the sub ref level at 82 (Nominal 75). The gain is set at 3 out of 8. The sub shook my whole house during the matrix revolutions scene at the end where Mr. Smith is posing in the air with lightening bolts coming out of his back like dragon wings. Major LFE I've never heard before. I bet ya I can get the recessed lighting fixtures to fall out of the ceiling if I repeat this scene enough times. LOL. Of course, I'm doing this while my wife is at work.<br><br>
BTW Bax Global shipped the unit from Ohio to Florida in 2 days. Perfect condition. Fantastic.<br><a href="http://cdn.avsforum.com/0/00/00ca817a_vbattach87870.jpeg"><img alt="LL" src="http://cdn.avsforum.com/0/00/525x525px-LL-00ca817a_vbattach87870.jpeg" style="width:410px;height:307px;"></a><br><a href="http://cdn.avsforum.com/9/92/92ee8de7_vbattach87871.jpeg"><img alt="LL" src="http://cdn.avsforum.com/9/92/525x525px-LL-92ee8de7_vbattach87871.jpeg" style="width:410px;height:307px;"></a><br><a href="http://cdn.avsforum.com/1/1b/1b28906c_vbattach87872.jpeg"><img alt="LL" src="http://cdn.avsforum.com/1/1b/525x525px-LL-1b28906c_vbattach87872.jpeg" style="width:410px;height:307px;"></a>
Does it really make a difference to have driver facing the wall ??
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post #10743 of 10747 Old 02-12-2017, 10:54 PM
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Hey guys,
I just got the Ultra. I love toys. Haven't really had a chance to put it through its paces.
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Proud Member of "Bass-a-holic Anonymous" - Dual Bottle of Choice: SVS PC-13 Ultra + SVS PC-12 NSD. Drink of Choice: Flight of the Phoenix Crash
7.2 SVS and Energy Reference system.
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post #10744 of 10747 Old 02-13-2017, 05:26 AM
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Hey guys,
I just got the Ultra. I love toys. Haven't really had a chance to put it through its paces.
You'll love it.

"I am a Meat Popsicle." - Korben Dallas, "The Fifth Element"
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post #10745 of 10747 Old 02-13-2017, 07:45 AM
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Just a rule of thumb: If I'm plugging in a port and setting the ultra to 16hz, what should I raise the subs output by to match what I would've gotten at 20hz mode with no plugs. I can't find my spl meter. It's in a box somewhere during the move.
Any general rule of thumb changes when you block a port? Thanks.
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post #10746 of 10747 Old 02-13-2017, 08:04 AM
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Originally Posted by eightninesuited View Post
Just a rule of thumb: If I'm plugging in a port and setting the ultra to 16hz, what should I raise the subs output by to match what I would've gotten at 20hz mode with no plugs. I can't find my spl meter. It's in a box somewhere during the move.
Any general rule of thumb changes when you block a port? Thanks.
Hi,

As far as I know, there are no rules at all with respect to how much you might wish to boost your sub(s), at any port tune. According to Data-Bass, there is a difference of about 1.5db in max output between the two port tunes at 20Hz. Then, the 20Hz tune has about 2db more at 25Hz and 31.5Hz. Above that, the difference is about 1db throughout the passband. The lower port tune makes up for that incremental loss with an almost 8db advantage at 16Hz.

If I were you, I would just increase the gain on the sub slightly, to whatever level sounds best to you. But, if you wanted to try to match the 20Hz tune, for some reason, either a +1, or +2db, increase would accomplish that. http://www.data-bass.com/systems

Regards,
Mike
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post #10747 of 10747 Old 02-14-2017, 05:46 PM
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Originally Posted by mthomas47 View Post
Hi,

As far as I know, there are no rules at all with respect to how much you might wish to boost your sub(s), at any port tune. According to Data-Bass, there is a difference of about 1.5db in max output between the two port tunes at 20Hz. Then, the 20Hz tune has about 2db more at 25Hz and 31.5Hz. Above that, the difference is about 1db throughout the passband. The lower port tune makes up for that incremental loss with an almost 8db advantage at 16Hz.

If I were you, I would just increase the gain on the sub slightly, to whatever level sounds best to you. But, if you wanted to try to match the 20Hz tune, for some reason, either a +1, or +2db, increase would accomplish that. http://www.data-bass.com/systems

Regards,
Mike
Thanks Mike. I have it at -5db.

Fired up a terrible movie, but Episode 2 Queen Ship Landing is a fav of mine!!! Man! Is this thing amazing! Nuances in bass that I never heard!!!!
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