Official SVS Owners/Support Thread. - Page 614 - AVS Forum
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post #18391 of 18401 Old Yesterday, 06:37 AM
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Quote:
Originally Posted by Ed Mullen View Post
The overall system design is never empirically driven by a singular focus on any variable (like the system tuning frequency). The sound quality objectives and measured performance goals drive the overall design. The slight difference in system tuning frequency between the PB-2000/PC-2000 wasn't a specific design objective - so it's more of academic interest than anything else. The two subs are essentially sonic clones only differing in form factor. The PC form factor offers PB performance in a much smaller footprint which can fit into tight spaces the PB can't - that's what makes the PC so popular with our customers who have floor space challenges.
I used to have two PC12-NSDs, one on each side of the TV, and calibrating them was a breeze. They played flat Down to 15hz. Now I have two PB12-NSD DSPs and I struggle. I ended up stacking them on one side of the TV and 18hz is the lowest I can get. I'll be selling those to get PC-2000. Hopefully They will perform at least as good as the PC12-NSDs.
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post #18392 of 18401 Old Yesterday, 08:13 AM
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Quote:
Originally Posted by Gurba View Post
I used to have two PC12-NSDs, one on each side of the TV, and calibrating them was a breeze. They played flat Down to 15hz. Now I have two PB12-NSD DSPs and I struggle. I ended up stacking them on one side of the TV and 18hz is the lowest I can get. I'll be selling those to get PC-2000. Hopefully They will perform at least as good as the PC12-NSDs.
Whereas the amps and drivers are the same in the cylinder and box subs, one thing we got to realize is that the drivers and ports are not located in the same position in the room. Many remarked that shifting a sub a few inches can change the frequency response a lot. For example, some people noticed that turning the enclosure 180 deg so that a driver fires into a corner id much more efficient at corner loading the sub than just backing the sub into the corner. So I'd say any difference between the PC12-NSD and PB12-NSD was likely due to the position of the drivers and ports. Which might be of importance to you since the PC-2000 is back-ported instead of top-ported like the PC12-NSD.
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post #18393 of 18401 Old Yesterday, 09:05 AM
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Originally Posted by neutro View Post
Whereas the amps and drivers are the same in the cylinder and box subs, one thing we got to realize is that the drivers and ports are not located in the same position in the room. Many remarked that shifting a sub a few inches can change the frequency response a lot. For example, some people noticed that turning the enclosure 180 deg so that a driver fires into a corner id much more efficient at corner loading the sub than just backing the sub into the corner. So I'd say any difference between the PC12-NSD and PB12-NSD was likely due to the position of the drivers and ports. Which might be of importance to you since the PC-2000 is back-ported instead of top-ported like the PC12-NSD.
I'm guessing that the shortness of my room might be the reason why the PBs Works less than the PCs. I tried one in front and one in back 90 degrees compared to the front sub and that Works fairly well. The stack Works but not as good as the PCs. A guy is picking up the PBs on sunday and I'll be ordering a PC-2000 as soon as it's available and a 2nd come spring. In the meanwhile I'll be using a really old Dali SWA15.

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post #18394 of 18401 Old Yesterday, 01:03 PM
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[quote=bear123;28462642]
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Congrats on the ultra, I was not aware you had taken the plunge. I knew you had started with the SB2000, then jumped to the PB2000 when you realized the massive output advantage you get around port tune for movies. I thought you had stopped at the PC12 Plus or something. Glad you are happy with the sub, course, who wouldn't be? Good luck with the REW session. Where will you place the 2nd one?
On its side, behind the sofa ... in what would turn out to be my bachelor pad :-)

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MartinLogan Motion 40s / 30 / LX16s
Marantz SR5007 / UD5007
Emotiva XPA-3
SVS PC13ultra

exercise room: MartinLogan LX16s / Dynamo700
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post #18395 of 18401 Old Yesterday, 01:47 PM
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[quote=TomC1315;28476682]
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Originally Posted by bear123 View Post

On its side, behind the sofa ... in what would turn out to be my bachelor pad :-)

Attachment 327218
Pfft, she won't even see it their. If she does, tell her its an air purifier.
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AVR:       Yamaha RXV-375

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LCR:       Hsu HB1.2  HC1.2

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post #18396 of 18401 Old Yesterday, 09:26 PM
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Received my Ultra bookshelves today. They were Outlet specials, so I don't know how much breaking in they'll need, but very impressed so far. Much better sound than the DefTech Studio 55s I recently auditioned.

Sometimes our circuits get shorted by external interference,
Signals get crossed and the balance distorted by internal incoherence.
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post #18397 of 18401 Old Yesterday, 10:38 PM
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I purchased the PB-2000, this morning. I will be getting it Tuesday or Wednesday. I can not wait to play with this sub. I thank the two gentlemen who helped me out, thank you very much. I love this site, it feeds my addiction to spend money on my home theater.
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Speaker Systems , Svs , svs pb-2000 , Svs Pb1000 10 Inch 300 Watt Powered Subwoofer , Svs Pb12 Nsd Black Vinyl 12 Inch Powered Subwoofer , Svs Pb13 Ultra , Svs Pc12 Nsd 12 Inch 400 Watt Powered Cylinder Subwoofer , Svs Pc12 Ultra , Svs Sb1000 12 Inch 300 Watt Powered Subwoofer , Svs Sb12 Nsd Charcoal Black Vinyl 12 Inch 400 Watt Powered Subwoofer , Svs Sb13 Ultra Piano Gloss 13 Inch 1000 Watt Powered Subwoofer , Svs Sb2000
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