Official Power Sound Audio Subwoofer Thread - Page 505 - AVS Forum | Home Theater Discussions And Reviews

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Old 11-22-2014, 05:00 PM
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Originally Posted by bear123 View Post
Excellent! And be glad you already have two subs(measuring usually leads to buying a 2nd sub. )

If you don't have a miniDSP yet, might as well plan on that soon.
Yeah I thought I would hold off on that until after I do the measuring just on the outside chance that all could be solved without it. But I'm sure you are right, I'll end up with it soon enough.
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Old 11-22-2014, 05:00 PM
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Originally Posted by t231 View Post
I haven't seen or felt pant leg flapping bass. Not sure if I haven't demoed the right material at the right volume or I have too much space for the phenomenon... Anyone in the OH area want to demo pant shaking bass for me?
Just experienced it the other night when I played the rocket launch scene in Enders Game.
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Old 11-22-2014, 08:04 PM
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Just experienced it the other night when I played the rocket launch scene in Enders Game.
such an awesome scene. if you want to truly test your sub woofrage, run that scene....you will find out your limitations. that and the end scene with the planet. booooooooooooooommmmmminnnnggggg!
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Old 11-23-2014, 06:32 AM
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such an awesome scene. if you want to truly test your sub woofrage, run that scene....you will find out your limitations. that and the end scene with the planet. booooooooooooooommmmmminnnnggggg!
Absolutely! And when you're sitting next to an XV15 all sorts of things start moving.
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Old 11-23-2014, 08:03 AM
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Quick update on my T18's.

I realized last Monday that the RCA isolation transformers I used to get rid of ground loop issues were also attenuating low frequency signals. So I got some new isolation transformers that are rated at +/- 1 dB to 10 Hz and put those in on Friday. Immediately I had about a 6 dB change when setting up the 75 dB levels for Audyssey and had to lower the subwoofer gain to get back to 75 dB.

So running some movie and music samples it was obvious I was getting more 20 Hz and lower bass which was definitely awesome. Which brings me to my next issue, the right side of my theater room has three doors and is basically a rattle trap. So my next adventure is figuring out how to eliminate some rattles.
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Old 11-23-2014, 11:10 AM
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Okay I've been reading the REW thread and I have a quick question. I have joined HT Shack and will be downloading REW later today (after some football). I will be using HDMI to connect the laptop to the receiver so my question is do I need to download the latest driver for ASIO4ALL or is that part of REW. If I do need to download it, where do I get it? Thanks in advance for any help.
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Old 11-23-2014, 11:37 AM
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Hey guys I currently have a PSA XV15 and am interested in purchasing another PSA sub, however, I have pretty limited space in regards to where I can put the thing. The places that I can put it are kind of cramped as well and another XV15 would really stick out from the wall quite a bit. I was wondering what would be the cons in purchasing a XS15se?

My main concern is if there would be any potential problem when running a sealed subwoofer in conjunction with a ported subwoofer? They'd be about 15 feet apart on opposite corners of the room. Right now the XV15 is directly to the right of my MLP (couch) and I would be putting the XS15 in between my TV stand and left front main.
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Old 11-23-2014, 01:23 PM
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Originally Posted by jhughy2010 View Post
Hey guys I currently have a PSA XV15 and am interested in purchasing another PSA sub, however, I have pretty limited space in regards to where I can put the thing. The places that I can put it are kind of cramped as well and another XV15 would really stick out from the wall quite a bit. I was wondering what would be the cons in purchasing a XS15se?

My main concern is if there would be any potential problem when running a sealed subwoofer in conjunction with a ported subwoofer? They'd be about 15 feet apart on opposite corners of the room. Right now the XV15 is directly to the right of my MLP (couch) and I would be putting the XS15 in between my TV stand and left front main.
I started a thread last year asking this same question and the answer that I got was it CAN be done but it's not nearly as easy as just having two ported subs. Ideally, you want two or more of the same subs working together because it makes calibrating them much easier. Getting a sealed and a ported sub to work well together will most likely take more work on your part, perhaps quit a bit more work.

Every room is different so it's hard to say how well it would work in your room. If I were you I would talk with Tom. On the bright side you could always get the XS15 and see if you can get the two subs dialed in. If you can't you can always return it and get the XV15. The free shipping makes this a safe experiment.
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Old 11-23-2014, 01:39 PM
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Originally Posted by Hopinater View Post
I started a thread last year asking this same question and the answer that I got was it CAN be done but it's not nearly as easy as just having two ported subs. Ideally, you want two or more of the same subs working together because it makes calibrating them much easier. Getting a sealed and a ported sub to work well together will most likely take more work on your part, perhaps quit a bit more work.

Every room is different so it's hard to say how well it would work in your room. If I were you I would talk with Tom. On the bright side you could always get the XS15 and see if you can get the two subs dialed in. If you can't you can always return it and get the XV15. The free shipping makes this a safe experiment.
Ok that is kind of what I thought. I have been considering purchasing a new subwoofer for my master bedroom. I was considering getting an SVS SB-2000 or SB-1000. However, maybe it would be beneficial to re-purpose my XV15 into my master bedroom and then purchase either a XS30se or a XV30c for the spot where the XV15 is sitting now? Again, I really don't have the room for another XV15 in the main living room but maybe something that has more output would do the trick? Just a thought....
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Old 11-23-2014, 02:01 PM
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Originally Posted by perfectevolution View Post
Quick update on my T18's.

I realized last Monday that the RCA isolation transformers I used to get rid of ground loop issues were also attenuating low frequency signals. So I got some new isolation transformers that are rated at +/- 1 dB to 10 Hz and put those in on Friday. Immediately I had about a 6 dB change when setting up the 75 dB levels for Audyssey and had to lower the subwoofer gain to get back to 75 dB.

So running some movie and music samples it was obvious I was getting more 20 Hz and lower bass which was definitely awesome. Which brings me to my next issue, the right side of my theater room has three doors and is basically a rattle trap. So my next adventure is figuring out how to eliminate some rattles.

What new isolation transformers did you get?
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Old 11-23-2014, 02:28 PM
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Originally Posted by jhughy2010 View Post
Ok that is kind of what I thought. I have been considering purchasing a new subwoofer for my master bedroom. I was considering getting an SVS SB-2000 or SB-1000. However, maybe it would be beneficial to re-purpose my XV15 into my master bedroom and then purchase either a XS30se or a XV30c for the spot where the XV15 is sitting now? Again, I really don't have the room for another XV15 in the main living room but maybe something that has more output would do the trick? Just a thought....
Usually two subs will be better than one in a room for smoothing purposes. Maybe you could do what you are thinking and throw the XV15 into the mater bedroom and get an XS30 now while saving for down the road when you could get an XS15 if you find you need or want it. The XS30 and the XS15 would do great together.

One other option would be to see if Tom would let you trade in the XV15 for credit towards the XS30 or two XS15s.
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Old 11-23-2014, 02:37 PM
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What new isolation transformers did you get?
Blue Jeans Cable SWT1. I had to contact them for the specs as I couldn't see them listed anywhere.
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Old 11-23-2014, 02:45 PM
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Originally Posted by jhughy2010 View Post
Ok that is kind of what I thought. I have been considering purchasing a new subwoofer for my master bedroom. I was considering getting an SVS SB-2000 or SB-1000. However, maybe it would be beneficial to re-purpose my XV15 into my master bedroom and then purchase either a XS30se or a XV30c for the spot where the XV15 is sitting now? Again, I really don't have the room for another XV15 in the main living room but maybe something that has more output would do the trick? Just a thought....
or get two xv30's due to the smaller footprint. now THAT would solve everything in your room!
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Old 11-23-2014, 04:12 PM
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Originally Posted by Hopinater View Post
Usually two subs will be better than one in a room for smoothing purposes. Maybe you could do what you are thinking and throw the XV15 into the mater bedroom and get an XS30 now while saving for down the road when you could get an XS15 if you find you need or want it. The XS30 and the XS15 would do great together.

One other option would be to see if Tom would let you trade in the XV15 for credit towards the XS30 or two XS15s.
Lots of great options. I wonder how a sealed enclosure would do with my huge room.

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or get two xv30's due to the smaller footprint. now THAT would solve everything in your room!
Yeah the XV30F would certainly produce quite the output. Unfortunately the footprint is actually a bit bigger than the XV15se. Two XV30F would be a great idea though if someone wanted four subwoofers but didn't want the extra footprint of two of them.
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Old 11-23-2014, 06:48 PM
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Originally Posted by perfectevolution View Post
Quick update on my T18's.

I realized last Monday that the RCA isolation transformers I used to get rid of ground loop issues were also attenuating low frequency signals. So I got some new isolation transformers that are rated at +/- 1 dB to 10 Hz and put those in on Friday. Immediately I had about a 6 dB change when setting up the 75 dB levels for Audyssey and had to lower the subwoofer gain to get back to 75 dB.

So running some movie and music samples it was obvious I was getting more 20 Hz and lower bass which was definitely awesome. Which brings me to my next issue, the right side of my theater room has three doors and is basically a rattle trap. So my next adventure is figuring out how to eliminate some rattles.
I bought some of those felt circles that you attach to the bottom of chairs and stuck a few in the door jam at the top. They sell them in all different sizes.
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Old 11-23-2014, 07:41 PM
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Originally Posted by jhughy2010 View Post
Ok that is kind of what I thought. I have been considering purchasing a new subwoofer for my master bedroom. I was considering getting an SVS SB-2000 or SB-1000. However, maybe it would be beneficial to re-purpose my XV15 into my master bedroom and then purchase either a XS30se or a XV30c for the spot where the XV15 is sitting now? Again, I really don't have the room for another XV15 in the main living room but maybe something that has more output would do the trick? Just a thought....
You could try adding in a SVS pc2000. Only takes up 17" of floor space.

It will match pretty well down low. It won't have near the output above 30hz but I bet they would work well together. 45 day trial and free shipping.

Just a thought.
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Old 11-23-2014, 08:31 PM
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Unfortunately the footprint is actually a bit bigger than the XV15se.
you sure about this? i could have swore the footprint was the same size, if not a bit smaller if stood on end. i thought someone said that before...i will have to research this.

ok, just went and looked at dimensions. 1.5" wider, other than that, same depth as xv15. my bad

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Old 11-23-2014, 09:06 PM
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Originally Posted by Hopinater View Post
Okay I've been reading the REW thread and I have a quick question. I have joined HT Shack and will be downloading REW later today (after some football). I will be using HDMI to connect the laptop to the receiver so my question is do I need to download the latest driver for ASIO4ALL or is that part of REW. If I do need to download it, where do I get it? Thanks in advance for any help.
Hop are you reading Jerry's guide? You can download the ASIO drivers at www.asio4all.com, I would also suggest installing dropbox as you can store all your REW files in there for easy access. www.dropbox.com
Cheers Jeff
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Old 11-23-2014, 11:10 PM
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You could try adding in a SVS pc2000. Only takes up 17" of floor space.

It will match pretty well down low. It won't have near the output above 30hz but I bet they would work well together. 45 day trial and free shipping.

Just a thought.
Yes true... however I've kind of become a PSA fanboy. I like the idea of another PSA. Really leaning toward their sealed enclosures (we move furniture around today and envisioned two great places for XS15se's

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you sure about this? i could have swore the footprint was the same size, if not a bit smaller if stood on end. i thought someone said that before...i will have to research this.

ok, just went and looked at dimensions. 1.5" wider, other than that, same depth as xv15. my bad
Yeah... unfortunately I just don't have any great places to put an XV30Fse. I bet it would sound great though, although I do wonder if there would be port noise with it exhausting toward the ground.
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Old 11-24-2014, 09:08 AM
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Originally Posted by jhughy2010 View Post
Ok that is kind of what I thought. I have been considering purchasing a new subwoofer for my master bedroom. I was considering getting an SVS SB-2000 or SB-1000. However, maybe it would be beneficial to re-purpose my XV15 into my master bedroom and then purchase either a XS30se or a XV30c for the spot where the XV15 is sitting now? Again, I really don't have the room for another XV15 in the main living room but maybe something that has more output would do the trick? Just a thought....
For the space challenged remember that the XV30Fse can be laid on its side. 18" tall at that point. Also, the XV30c was a single outlet center unit. We don't have those available on a regular basis.

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Old 11-24-2014, 09:12 AM
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Yes true... however I've kind of become a PSA fanboy. I like the idea of another PSA. Really leaning toward their sealed enclosures (we move furniture around today and envisioned two great places for XS15se's
I'd give them a try(the dual XS15se). I think the XS15se model is often a bit under-rated simple based on pricing. Look over the data from Josh's review. Add 6dB to the cea-2010(for duals). Then study the other measurements (impulse, group delay, stored ringing, FR). If you find anything better at $1499...jump on it...

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Old 11-24-2014, 09:23 AM
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Yeah, I'm a little worried about the wiring in my circa 1961 house....
That's actually a good question I think. I don't have this problem really but with two 4kW subs what do you guys do? Are they on 15A circuits? I guess you use two separate 15A circuits? Each will have a max RMS power of 1800W; that is well below the RMS rating of the Triax' amp. That being said, in audio it's mostly transients and the circuit can provide much higher peaks.

So do you plan on upgrading to dual 20A circuits?


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@morbidcorpse , do you have a home buttom on your 818 remote, if so hit it and you should get a couple of options, click on audio and you should see trim adjustment for sub and center channel, bump your sub trim up and then hit HOME button again and it's gone, you don't have to worry about setting the trim level back again for movies once you power down the 818 it reverts back to the original Audyssey trim set.
Wow I have an 818 too and didn't even know that ajusting the trim levels in the options was only temporary. This is awesome, thanks.

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Originally Posted by perfectevolution View Post
So running some movie and music samples it was obvious I was getting more 20 Hz and lower bass which was definitely awesome. Which brings me to my next issue, the right side of my theater room has three doors and is basically a rattle trap. So my next adventure is figuring out how to eliminate some rattles.
Good luck with that... some rattles are rather easy to tame but I think the ones in my room are caused by the air ducts in the (finished) ceiling. Fixing that would be... complex.
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Old 11-24-2014, 09:47 AM
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Originally Posted by Tom Vodhanel View Post
I'd give them a try(the dual XS15se). I think the XS15se model is often a bit under-rated simple based on pricing. Look over the data from Josh's review. Add 6dB to the cea-2010(for duals). Then study the other measurements (impulse, group delay, stored ringing, FR). If you find anything better at $1499...jump on it...

Tom V.
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Thanks for the great advice Tom. I think I like the idea of what we talked about earlier.... getting a single XS30se now and then later on, possibly getting another. An XS30se's dimensions are only slightly larger than the XV15, however, I think the footprint would be less because I wouldn't have to make room for the port.
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Old 11-24-2014, 10:31 AM
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Originally Posted by ahblaza View Post
Hop are you reading Jerry's guide? You can download the ASIO drivers at www.asio4all.com, I would also suggest installing dropbox as you can store all your REW files in there for easy access. www.dropbox.com
Cheers Jeff
I am reading Jerry's guide and as I read farther I saw that the ASIO drivers were needed for the HDMI. Thanks for the links Jeff, much appreciated.
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Old 11-24-2014, 12:03 PM
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Thanks for the great advice Tom. I think I like the idea of what we talked about earlier.... getting a single XS30se now and then later on, possibly getting another. An XS30se's dimensions are only slightly larger than the XV15, however, I think the footprint would be less because I wouldn't have to make room for the port.
The performance of a single XS30se will be similar to dual XS15se. The main advantage for the dual XS15se would be the potential for smoothing room induced peaks/dips. The main advantage for the single XS30se is it leaves you an easy upgrade path....just add a second.

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Old 11-24-2014, 02:31 PM
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I'm Thinking about doing an at home comparison between the XS30se and an SVS PC-12 Plus.
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NHT speakers, Denon 4520, Panasonic 65VT50, DUAL PSA XS30SE's
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Old 11-24-2014, 05:31 PM
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I'm Thinking about doing an at home comparison between the XS30se and an SVS PC-12 Plus.
That sounds like fun, however, I am wondering why you would chose to compare the PC-12 plus (which is ported I believe) against a sealed subwoofer design?

I think it'd be an interesting comparison to check out the SB13-ultra and the XS30se.
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Old 11-24-2014, 06:26 PM
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Similar price and don't forget the PC-12+ can be sealed. Also want to compare sealed vs ported in my room.
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Old 11-24-2014, 06:31 PM
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Similar price and don't forget the PC-12+ can be sealed. Also want to compare sealed vs ported in my room.
Oh I see that makes sense. I didn't know that the PC-12 could be sealed. That sounds like a neat idea... would be interested in hearing your impressions on the both of them. My initial thought is that the SVS will likely create more output and probably will have a smoother bass response.
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Old 11-24-2014, 07:44 PM
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Oh I see that makes sense. I didn't know that the PC-12 could be sealed. That sounds like a neat idea... would be interested in hearing your impressions on the both of them. My initial thought is that the SVS will likely create more output and probably will have a smoother bass response.
A more likely result is the same bass response, since that is primarily dictated by the room. I have had PB2000, a XS30, and an XV15se in my room, and the FR is the same for all of them except for different roll offs below 25 Hz. And I would say that the XS30se would have more output, except maybe around a small window near port tune.
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