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post #24301 of 26056 Old 07-26-2016, 02:15 PM
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Originally Posted by terminal33 View Post
I didn't realize Rythmik had come out with a ported LVX12 so now I'm debating between the LVX12 and PB2000. I was a previous PB13 Ultra owner but I'm curious about Rythmik's Direct Servo technology.
My money would be on the LVX12.
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post #24302 of 26056 Old 07-26-2016, 02:17 PM
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Originally Posted by Bond 007 View Post
My money would be on the LVX12.
That's what I'm leaning towards.

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post #24303 of 26056 Old 07-26-2016, 02:17 PM
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still i cannot agree on the ported vs sealed.. like u say the sealed will give more extension, but the ported gives more airmovement hence my saying that ported give better explosions feel coz the more movement of the air.. not neccesarly making the bass better hearable in lower freqs. if you have open holes like open windows or door or ventilation, the whole benefit of ported gets less whereas the sealed one does not have this problem. also a ported sub need a adequate amp plate to compensate for the free moving woofer vs the sealed that needs less power. so a underpowered ported will loose from sealed and a overpowered sealed will break faster. there is not really a solid answer that goes for all ported or sealed. also big or small room makes a difference and whether one has open space to other room or hallway. there is a common fact that 2 or 4 subs really smooth out the bass along the room and this goes for any brand or type. while 3 subs can totally ruin the effect. in a small room with one sub in the middle there is no need for the second sub. also things as a couch made of fabric will work as a basstrap and leather sofa's will work as a reflection area . there is only one way to find out and that is measurement and hearing in one's room itself.

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post #24304 of 26056 Old 07-26-2016, 02:44 PM
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Originally Posted by DaJoJo View Post
still i cannot agree on the ported vs sealed.. like u say the sealed will give more extension, but the ported gives more airmovement hence my saying that ported give better explosions feel coz the more movement of the air.. not neccesarly making the bass better hearable in lower freqs. if you have open holes like open windows or door or ventilation, the whole benefit of ported gets less whereas the sealed one does not have this problem. also a ported sub need a adequate amp plate to compensate for the free moving woofer vs the sealed that needs less power. so a underpowered ported will loose from sealed and a overpowered sealed will break faster. there is not really a solid answer that goes for all ported or sealed. also big or small room makes a difference and whether one has open space to other room or hallway. there is a common fact that 2 or 4 subs really smooth out the bass along the room and this goes for any brand or type. while 3 subs can totally ruin the effect. in a small room with one sub in the middle there is no need for the second sub. also things as a couch made of fabric will work as a basstrap and leather sofa's will work as a reflection area . there is only one way to find out and that is measurement and hearing in one's room itself.
I agree with almost everything that you just said, and your insights are valuable. The two exceptions are the sentence I highlighted, and the idea of using a sofa as a bass trap. First, with respect to a ported sub being less effective than a sealed sub, in a room with openings, I have never read anything that would suggest that, nor does the concept seem quite right to me on its face.

Subs, whether ported or sealed, simply produce the volumes they produce, at the particular frequencies that they produce them. And the bass waves that result simply interact with room modes, however they do. There is nothing about the room, or the sound waves produced, that can distinguish between sealed subs and ported ones. A ported sub actually has a better chance of working well in a room which is open to other spaces, simply because it is capable of providing more output at most frequencies than a comparable sealed sub.

The idea of a sofa acting as a bass trap is appealing, but I think it would take a very exceptional sofa to provide any meaningful attenuation below about 200Hz or 300Hz. The foam bass traps, such as those sold on Amazon, are about 12" deep, and can only provide any meaningful attenuation down to about 240Hz. A good bass trap should go down to at least 120Hz, and a very good one can provide significant attenuation down to about 60Hz, or lower.

I think that it would be possible to put acoustical material inside a sofa to create a bass trap, but just the normal foam stuffing doesn't actually do much with respect to bass, although it can certainly help for mid-range and treble absorption.

Regards,
Mike
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post #24305 of 26056 Old 07-26-2016, 02:45 PM
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Originally Posted by Alan P View Post
DaJoJo,

Not meaning to offend, but you are repeating a few basic misunderstandings in this post that I would like to correct.



This is simply not true. A quality ported sub can sound just as "tight" as it's sealed counterpart.



Ported will only have deeper extension than sealed if your room is too large to realize sufficient room gain. If you have a small to medium sized room (or a sufficient amount of sealed subs), sealed will always have deeper extension than ported.



Ported are not specifically better for explosions in any inherent way, and it has been proven in other threads here on AVS that ported subs actually produce more TR (tactile response) than sealed subs.

The Ultimate Frequency, Pressure and Tactile Response Thread
The VibSensor Accelerometer Test Thread
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Originally Posted by DaJoJo View Post
still i cannot agree on the ported vs sealed.. like u say the sealed will give more extension, but the ported gives more airmovement hence my saying that ported give better explosions feel coz the more movement of the air.. not neccesarly making the bass better hearable in lower freqs. if you have open holes like open windows or door or ventilation, the whole benefit of ported gets less whereas the sealed one does not have this problem. also a ported sub need a adequate amp plate to compensate for the free moving woofer vs the sealed that needs less power. so a underpowered ported will loose from sealed and a overpowered sealed will break faster. there is not really a solid answer that goes for all ported or sealed. also big or small room makes a difference and whether one has open space to other room or hallway. there is a common fact that 2 or 4 subs really smooth out the bass along the room and this goes for any brand or type. while 3 subs can totally ruin the effect. in a small room with one sub in the middle there is no need for the second sub. also things as a couch made of fabric will work as a basstrap and leather sofa's will work as a reflection area . there is only one way to find out and that is measurement and hearing in one's room itself.
I'm going to assume this is in response to my post above...but since you didn't quote me, I can't be absolutely sure of that.

You are pouring out more misinformation in your new post. Let me comment on a few of your points:

"if you have open holes like open windows or door or ventilation, the whole benefit of ported gets less whereas the sealed one does not have this problem."

If I understand you correctly, you are saying that sealed subs do not have problems being placed in rooms with multiple "openings" where ported subs do have issues with "openings"...this is exactly the opposite of reality.

"there is a common fact that 2 or 4 subs really smooth out the bass along the room and this goes for any brand or type. while 3 subs can totally ruin the effect."

This is no "common fact" that I am familiar with. A 3 sub system can be quite effective (more effective than 2 subs)...I know from personal experience, I had a 3 sub system at one time.

in a small room with one sub in the middle there is no need for the second sub.

Again, completely untrue. A single sub in a small room has a better chance of reducing nulls than in a large room, but there is no guarantee.

there is only one way to find out and that is measurement and hearing in one's room itself.

Now there's a statement I 100% agree with!
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post #24306 of 26056 Old 07-26-2016, 02:53 PM
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I must have skipped over the three sub part. Earl Geddes, who is a very well respected sub guru and audio expert, actually recommends using three subs, on three opposing walls, to achieve good frequency response. As it happens, I use that approach to excellent effect with my three Ultras.
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post #24307 of 26056 Old 07-26-2016, 02:57 PM
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Originally Posted by mthomas47 View Post
I agree with almost everything that you just said, and your insights are valuable. The two exceptions are the sentence I highlighted, and the idea of using a sofa as a bass trap. First, with respect to a ported sub being less effective than a sealed sub, in a room with openings, I have never read anything that would suggest that, nor does the concept seem quite right to me on its face.

Subs, whether ported or sealed, simply produce the volumes they produce, at the particular frequencies that they produce them. And the bass waves that result simply interact with room modes, however they do. There is nothing about the room, or the sound waves produced, that can distinguish between sealed subs and ported ones. A ported sub actually has a better chance of working well in a room which is open to other spaces, simply because it is capable of providing more output at most frequencies than a comparable sealed sub.

The idea of a sofa acting as a bass trap is appealing, but I think it would take a very exceptional sofa to provide any meaningful attenuation below about 200Hz or 300Hz. The foam bass traps, such as those sold on Amazon, are about 12" deep, and can only provide any meaningful attenuation down to about 240Hz. A good bass trap should go down to at least 120Hz, and a very good one can provide significant attenuation down to about 60Hz, or lower.

I think that it would be possible to put acoustical material inside a sofa to create a bass trap, but just the normal foam stuffing doesn't actually do much with respect to bass, although it can certainly help for mid-range and treble absorption.

Regards,
Mike
mm yes i mean a ported do better in a room full of holes.. excuse moi there is also a discussion about what sofa or couch works better or not at al lol . couch i was referring to is a couch with 30cm of fibers in it, not the ikea style 2cm foam with a inside full of air. i should have mentioned that. so besides the basstraps i need a thick fiberstuffed fabric couch learning everyday here, which is a good thing.
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post #24308 of 26056 Old 07-26-2016, 03:03 PM
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Quote:
Originally Posted by Alan P View Post
I'm going to assume this is in response to my post above...but since you didn't quote me, I can't be absolutely sure of that.
You are pouring out more misinformation in your new post. Let me comment on a few of your points:
"if you have open holes like open windows or door or ventilation, the whole benefit of ported gets less whereas the sealed one does not have this problem."
If I understand you correctly, you are saying that sealed subs do not have problems being placed in rooms with multiple "openings" where ported subs do have issues with "openings"...this is exactly the opposite of reality.
"there is a common fact that 2 or 4 subs really smooth out the bass along the room and this goes for any brand or type. while 3 subs can totally ruin the effect."
This is no "common fact" that I am familiar with. A 3 sub system can be quite effective (more effective than 2 subs)...I know from personal experience, I had a 3 sub system at one time.
in a small room with one sub in the middle there is no need for the second sub.
Again, completely untrue. A single sub in a small room has a better chance of reducing nulls than in a large room, but there is no guarantee.
there is only one way to find out and that is measurement and hearing in one's room itself.
Now there's a statement I 100% agree with!
not particulary directed to you, but i like to hear your view on it anyways :-)
about the holes see above post . i swapped them accidently.
3 sub CAN ruin, not neccesary do.maybe i should say could possibly ?
anyways a comprehensive test of harman kardon pointed out that 1 sub on each wall or 2 on opposite wall works best. as they used a great load of expertise and experts and expensive equipment i believe what they found out is correct.
small room with 4 corners square.
we can also agree that there is no saying in what will work best in each case

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post #24309 of 26056 Old 07-26-2016, 03:24 PM
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Originally Posted by DaJoJo View Post
not particulary directed to you, but i like to hear your view on it anyways :-)
about the holes see above post . i swapped them accidently.
3 sub CAN ruin, not neccesary do.maybe i should say could possibly ?
anyways a comprehensive test of harman kardon pointed out that 1 sub on each wall or 2 on opposite wall works best. as they used a great load of expertise and experts and expensive equipment i believe what they found out is correct.
small room with 4 corners square.
we can also agree that there is no saying in what will work best in each case
FWIW, we are all still learning, which is one thing I really like about AVS. Alan and I agreed that applied to both of us on the previous page. Check my post above for a comment on the use of three subs. And you might enjoy reading a little about Dr Earl Geddes. With all due respect to Harman Kardon, if two subs on opposing walls works well, and four subs on opposing walls also works well (Toole, Welti, and Harmon who differ only with respect to theoretically optimal positioning) then there is no reason at all why three subs on three opposing walls would not also work well. But as you noted, it does depend somewhat on the individual room.
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post #24310 of 26056 Old 07-26-2016, 03:40 PM
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Originally Posted by mthomas47 View Post
FWIW, we are all still learning, which is one thing I really like about AVS. Alan and I agreed that applied to both of us on the previous page. Check my post above for a comment on the use of three subs. And you might enjoy reading a little about Dr Earl Geddes. With all due respect to Harman Kardon, if two subs on opposing walls works well, and four subs on opposing walls also works well (Toole, Welti, and Harmon who differ only with respect to theoretically optimal positioning) then there is no reason at all why three subs on three opposing walls would not also work well. But as you noted, it does depend somewhat on the individual room.
yeah i really admire some peoples thoroughness and promptness to pursue the truth and answers to problems eventhough there might never come a solid solution to some things. I myself will allways try and learn to improve myself. sometimes i might sound harsh or not willing to accept the 'right' answer, but most of the time there is no 'right' answer then. my english is also not that good, so a lot of misunderstanding can happen. if this is the case then there is allways a member to correct me or explain things so it will be clear to me and other readers. that is the real power of a forum like this, in the end everything is as clear as it can get and hopefully no one will feel affended
offcourse they just test it in ideal situations in a dead room or in ther own room, so for the normal people's houses this might never be attainable or a solid solution.
For me the best we can do is to explain how to achieve the best possible/ideal situation in each individual room.
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post #24311 of 26056 Old 07-26-2016, 06:52 PM
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Originally Posted by DaJoJo View Post
Well actually the grounded stuff is all connected to earth in the mains cabinet. what i meant is the groundwire from sub to avr, since they have a isolated case and ground from avr is "floating" they are not psysically connected to earth this way. but from what u tell me they where not connected. so no strange sounds and no hickups or noise or clicks -> nothing to worry about.
Thanks again, DaJoJo!
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post #24312 of 26056 Old 07-27-2016, 08:57 AM
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Hey Guys,

Is there anyone who wants to part with the shipping box and packing materials for a PB1000 ?

I helped a friend get her (budget constrained) system set up . Now she’s become a basshead and
wants to take advantage of the upgrade program. Not enough space for duals.

So if anyone has the PB1000 shipping box taking up space and are thinking about “decluttering”,
I have a new home for it. I would pay shipping of course. And if you live anywhere near central
New Jersey, all the better. I’d be glad to pick it up.

Thanks Everyone

PS It sure is interesting how the budget strings loosen once good, quality sound is heard.
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post #24313 of 26056 Old 07-27-2016, 02:10 PM
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Originally Posted by PannyMann View Post
Hey Guys,
Is there anyone who wants to part with the shipping box and packing materials for a PB1000 ?
I helped a friend get her (budget constrained) system set up . Now she’s become a basshead and
wants to take advantage of the upgrade program. Not enough space for duals.
So if anyone has the PB1000 shipping box taking up space and are thinking about “decluttering”,
I have a new home for it. I would pay shipping of course. And if you live anywhere near central
New Jersey, all the better. I’d be glad to pick it up.
Thanks Everyone
PS It sure is interesting how the budget strings loosen once good, quality sound is heard.
i have a empty PB13 ultra box 100% undamaged with the plastic stuff and all if anyone wants/needs it, but it might be too big for a PB1000 also shipping from netherlands probably expensive. i just need it one more time for moving my sub to my new house , but after that the sub ain't going nowhere.
did you ask SVS for one ? they're very friendly most of the time.

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post #24314 of 26056 Old 07-27-2016, 07:38 PM
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Welp....

My SB-13ultra just died on me. AMP needs to be replaced less than 90 days old

Came home and noticed I was not getting any bass....checked the sub no power. Replaced the fuse with the spare, blew that one too. Called SVS they will send me a new AMP once I send in mine.

What a pain in the ass...

And I just finished setting up the HT hahaahahahah *cries*

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post #24315 of 26056 Old 07-28-2016, 07:07 AM
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Welp....

My SB-13ultra just died on me. AMP needs to be replaced less than 90 days old

Came home and noticed I was not getting any bass....checked the sub no power. Replaced the fuse with the spare, blew that one too. Called SVS they will send me a new AMP once I send in mine.

What a pain in the ass...

And I just finished setting up the HT hahaahahahah *cries*

That thoroughly sucks! Once you are used to having a good sub, being without one for even a few days is no fun.
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post #24316 of 26056 Old 07-28-2016, 08:30 AM
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Quote:
Originally Posted by DaJoJo View Post
i have a empty PB13 ultra box 100% undamaged with the plastic stuff and all if anyone wants/needs it, but it might be too big for a PB1000 also shipping from netherlands probably expensive. i just need it one more time for moving my sub to my new house , but after that the sub ain't going nowhere.
did you ask SVS for one ? they're very friendly most of the time.
Thanks for the offer but they're looking for the PB1000 packing box. I did inquire about sending me an empty box but
they are saying that they keep all their boxes for their B-Stock stuff. Oh Well, thought I would give it a shot.

Thanks again

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post #24317 of 26056 Old 08-03-2016, 03:05 AM
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Could any of you recommend me a AVR for my pb2000 sub and dali zensor 5 speakers please?

My budget is $400 so something like the Yamaha RX-V679 and I don't really care about what features the AVR has I won't be using things like atmos.
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post #24318 of 26056 Old 08-03-2016, 04:23 AM
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Originally Posted by ryku View Post
Could any of you recommend me a AVR for my pb2000 sub and dali zensor 5 speakers please?

My budget is $400 so something like the Yamaha RX-V679 and I don't really care about what features the AVR has I won't be using things like atmos.
Any AVR will work.
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post #24319 of 26056 Old 08-03-2016, 09:04 AM
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Quote:
Originally Posted by ryku View Post
Could any of you recommend me a AVR for my pb2000 sub and dali zensor 5 speakers please?

My budget is $400 so something like the Yamaha RX-V679 and I don't really care about what features the AVR has I won't be using things like atmos.
Yamaha V679...you answered your own question.

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post #24320 of 26056 Old 08-03-2016, 03:03 PM
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I know that some people on the thread have operated their PC's laying them on their sides, rather than standing them upright. Can anyone give me any theoretical or actual disadvantages to operating a down firing sub that way? For someone who has tried it, did it negatively impact either measured response, particularly with respect to output or low-end extension, or with respect to perceived audio quality.

I appreciate any comments or insight on this. I am debating shifting things around a bit, and putting a cylinder on its side is one of the options. But before I invest time, and especially effort in moving furniture, I thought I would ask for some advice. Thanks for any help.

Regards,
Mike
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post #24321 of 26056 Old 08-04-2016, 06:05 AM
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So I moved and my old home theater was included with my living room, dining, and kitchen as a wide open space. roughly 700 square feet.
I have two PB-13U's and they did a fantastic job in that space.

Question:

We moved into a two story home "basement", and I have been working on the dedicated room for a few weeks now. my new space will be 17x16, roughly 300sf with closet space for equipment.

Will there be any issues with the two of them in this smaller space? seems they wouldn't have to work as hard to pressurize the room?

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post #24322 of 26056 Old 08-04-2016, 07:51 AM
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So I moved and my old home theater was included with my living room, dining, and kitchen as a wide open space. roughly 700 square feet.
I have two PB-13U's and they did a fantastic job in that space.

Question:

We moved into a two story home "basement", and I have been working on the dedicated room for a few weeks now. my new space will be 17x16, roughly 300sf with closet space for equipment.

Will there be any issues with the two of them in this smaller space? seems they wouldn't have to work as hard to pressurize the room?

Hi,

There won't be any problem at all. Assuming about an 8' ceiling, you would still have approximately 2200^3, which isn't tiny. When you say the basement is two-story, did you leave a very high ceiling in your HT room? As you observed, the Ultras should have a much easier time of it in an enclosed space. I would expect you to be able to set your trim levels a little lower to enjoy as much, or more bass, as you had in the larger room. And the tactile response might be much better in the smaller space. I hope you will report on your experience once you have everything set-up. And pictures would be nice too, if you want to share.

Regards,
Mike
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post #24323 of 26056 Old 08-04-2016, 10:58 AM
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Hi,

There won't be any problem at all. Assuming about an 8' ceiling, you would still have approximately 2200^3, which isn't tiny. When you say the basement is two-story, did you leave a very high ceiling in your HT room? As you observed, the Ultras should have a much easier time of it in an enclosed space. I would expect you to be able to set your trim levels a little lower to enjoy as much, or more bass, as you had in the larger room. And the tactile response might be much better in the smaller space. I hope you will report on your experience once you have everything set-up. And pictures would be nice too, if you want to share.

Regards,
Mike
yes, its an 8' ceiling. the basement is not two story, the house is and the theater room is in the basement part of the house. this room will have a drop ceiling so I can access utilities later if needed (water, electric, etc.) right now I am still in the finishing stage, sheet rock and such still need to be put up. I started a youtube channel for my progress if any want to check that out.

https://www.youtube.com/channel/UC6R...EQUpAh4tsWAO7g
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post #24324 of 26056 Old 08-04-2016, 09:38 PM
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I know that some people on the thread have operated their PC's laying them on their sides, rather than standing them upright. Can anyone give me any theoretical or actual disadvantages to operating a down firing sub that way? For someone who has tried it, did it negatively impact either measured response, particularly with respect to output or low-end extension, or with respect to perceived audio quality.

I appreciate any comments or insight on this. I am debating shifting things around a bit, and putting a cylinder on its side is one of the options. But before I invest time, and especially effort in moving furniture, I thought I would ask for some advice. Thanks for any help.

Regards,
Mike
Hi Mike!

Sounds like you're itching to tinker again! As I seem to recall, @AllenA07 has a couple of SVS cylinders...one of which is on its side. He would likely be open to sharing his experience, impressions, and suggestions. From a theoretical or technical perspective, I can't think of a more knowledgeable person to call than Ed Mullen. If you decide to pursue, please post your progress and results!
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post #24325 of 26056 Old 08-04-2016, 10:11 PM
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...one of which is on its side. He would likely be open to sharing his experience, impressions, and suggestions. From a theoretical or technical perspective, I can't think of a more knowledgeable person to call than Ed Mullen. If you decide to pursue, please post your progress and results!
First time I heard of doing such a thing was an interview with Gary Yacoubian, CEO of SVS, IIRC he had one of the cylinder subs laying on its side behind a couch...
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post #24326 of 26056 Old 08-05-2016, 07:45 AM
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Hi Mike!

Sounds like you're itching to tinker again! As I seem to recall, @AllenA07 has a couple of SVS cylinders...one of which is on its side. He would likely be open to sharing his experience, impressions, and suggestions. From a theoretical or technical perspective, I can't think of a more knowledgeable person to call than Ed Mullen. If you decide to pursue, please post your progress and results!

Thanks, Gene! Me, tinker? I probably will try to call Ed at some point, but since becoming more of a CEO, I think he can be a little harder to reach.

I currently have three Ultras (two PC's and one PB) on three opposing walls in a 6000^3 room. I get great balance and overall bass, but yes, I have the itch to try something. I can rearrange some things a bit and get another PB Ultra nearfield, about 2' behind my listening chair. And I would love to try a true nearfield sub, firing into the back of my chair, in order to increase tactile response, if for no other reason.

But by far the best way to make that work would involve moving a PC to another wall, and laying it on it's side. I really think that I have enough information to do this, as I can't think of a reason why a cylinder won't work perfectly well that way. I will just need to wait for the right time financially, which will probably be in a few weeks. But, it's still nice to hear a little reassurance from fellow users that cylinders perform well lying on their sides.

When I do try this, I will be glad to post my impressions of both the cylinder on its side, and the nearfield sub.

Regards,
Mike
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post #24327 of 26056 Old 08-05-2016, 05:53 PM
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Thanks, Gene! Me, tinker? I probably will try to call Ed at some point, but since becoming more of a CEO, I think he can be a little harder to reach.

I currently have three Ultras (two PC's and one PB) on three opposing walls in a 6000^3 room. I get great balance and overall bass, but yes, I have the itch to try something. I can rearrange some things a bit and get another PB Ultra nearfield, about 2' behind my listening chair. And I would love to try a true nearfield sub, firing into the back of my chair, in order to increase tactile response, if for no other reason.

But by far the best way to make that work would involve moving a PC to another wall, and laying it on it's side. I really think that I have enough information to do this, as I can't think of a reason why a cylinder won't work perfectly well that way. I will just need to wait for the right time financially, which will probably be in a few weeks. But, it's still nice to hear a little reassurance from fellow users that cylinders perform well lying on their sides.

When I do try this, I will be glad to post my impressions of both the cylinder on its side, and the nearfield sub.

Regards,
Mike
I was really hesitant to run my Ultra on its side, and at least initially I vetoed the idea. The best spot I found for the Ultra would have had it blocking my screen. After the guys from GIK acoustics pushed on relocating my Ultra to that spot I decided to call SVS. They assured me that as long as you keep the amp facing up it shouldn't make a difference. Of course, I decided to measure this for myself with REW. After a few tests it was pretty clear that there was no difference.

Putting the Ultra on its side opened up enough placement options for me that I rank it as one of the best tweaks I've ever made. My Plus is standing up in the back of the theater, so I can't comment about getting it that close to the seating position.

Try it and see what the measurements look like!
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post #24328 of 26056 Old 08-05-2016, 06:42 PM
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I was really hesitant to run my Ultra on its side, and at least initially I vetoed the idea. The best spot I found for the Ultra would have had it blocking my screen. After the guys from GIK acoustics pushed on relocating my Ultra to that spot I decided to call SVS. They assured me that as long as you keep the amp facing up it shouldn't make a difference. Of course, I decided to measure this for myself with REW. After a few tests it was pretty clear that there was no difference.

Putting the Ultra on its side opened up enough placement options for me that I rank it as one of the best tweaks I've ever made. My Plus is standing up in the back of the theater, so I can't comment about getting it that close to the seating position.

Try it and see what the measurements look like!

Hi Allen, and thanks a lot for the reassurance. I was never really concerned about adversely affecting my frequency response, since this will simply give me four opposing walls instead of three. But I was interested in whether laying a cylinder on it's side could affect it's ability to perform optimally. I honestly couldn't think of any reason why it would, but it's still nice to hear from someone who has actually tried it. Thanks again!

Regards,
Mike
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post #24329 of 26056 Old 08-05-2016, 07:51 PM
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Thanks, Gene! Me, tinker? I probably will try to call Ed at some point, but since becoming more of a CEO, I think he can be a little harder to reach.

I currently have three Ultras (two PC's and one PB) on three opposing walls in a 6000^3 room. I get great balance and overall bass, but yes, I have the itch to try something. I can rearrange some things a bit and get another PB Ultra nearfield, about 2' behind my listening chair. And I would love to try a true nearfield sub, firing into the back of my chair, in order to increase tactile response, if for no other reason.

But by far the best way to make that work would involve moving a PC to another wall, and laying it on it's side. I really think that I have enough information to do this, as I can't think of a reason why a cylinder won't work perfectly well that way. I will just need to wait for the right time financially, which will probably be in a few weeks. But, it's still nice to hear a little reassurance from fellow users that cylinders perform well lying on their sides.

When I do try this, I will be glad to post my impressions of both the cylinder on its side, and the nearfield sub.

Regards,
Mike
Previously, I didn't quite understand what you were attempting to do...thought you we're just repositioning your three Ultras so one could be nearfield. Now that you're contemplating adding a fourth Ultra with one being nearfield...that's a completely different animal! With that move, I'm classifying you as a "certified" BASSHEAD! Saw that Allen07 responded to your post with some encouraging information. Here's hoping the results will take you to the level you're looking for. You know, after this, it's DIY with many multiple 18" sealed units! At any rate, I'm getting ahead of things. I'm just a bit envious and looking forward to your findings!

BTW: After recently finding new homes for my dual PB-2000's, I took my first steps in evaluating potential replacements. I ordered and just received dual PB-13 Ultras. I'm currently in the process of determining optimal placement, running both XT32 and AccuEQ, and then checking results with REW.
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post #24330 of 26056 Old 08-06-2016, 03:34 AM
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Previously, I didn't quite understand what you were attempting to do...thought you we're just repositioning your three Ultras so one could be nearfield. Now that you're contemplating adding a fourth Ultra with one being nearfield...that's a completely different animal! With that move, I'm classifying you as a "certified" BASSHEAD! Saw that Allen07 responded to your post with some encouraging information. Here's hoping the results will take you to the level you're looking for. You know, after this, it's DIY with many multiple 18" sealed units! At any rate, I'm getting ahead of things. I'm just a bit envious and looking forward to your findings!

BTW: After recently finding new homes for my dual PB-2000's, I took my first steps in evaluating potential replacements. I ordered and just received dual PB-13 Ultras. I'm currently in the process of determining optimal placement, running both XT32 and AccuEQ, and then checking results with REW.

Thanks Gene! That's outstanding, that you already have your Ultras! So, that's where the PB13's in the Outlet went. I am anxious to hear about your results. I think you are going to be very impressed with the Ultras.

I guess I can think of worse things to be called than a "certified Basshead". "Addict" springs to mind. There was always this little nagging voice, whispering in my head, that if I liked three subs, four would be even better. And it is a big room. But I kept telling myself that it wouldn't be worth adding another for only a 3db increase, as I already have excellent frequency response and envelopment. But once, I started seriously thinking about the possibility of getting the extra 3db, and increased tactile response from a nearfield sub, I was doomed. All of us here are probably a little nuts. I'm just a little more so than most.
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