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post #1 of 70 Old 09-07-2013, 04:37 PM - Thread Starter
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Just got a svs sb-13 ultra. I'm very disappointed in it. For movies it's okay but for music the bass is almost non existent. For music my cerwin Vega keeps up with it, and it's only a $300 sub. I expected allot more for damn near 2 grand.
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post #2 of 70 Old 09-07-2013, 04:38 PM - Thread Starter
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And it hums like crazy. My crappy Cerwin didn't hum.
I'm using a $200 audioquest sub cable.
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post #3 of 70 Old 09-07-2013, 04:41 PM
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Hold on a sec... You sure its setup correctly? Did you run the AVR correction software after hooking it up? You might be use to boomy one note ringing bass opposed to something thats smooth and articulate. Need more details please!

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if it hums something is wrong...contact SVS pronto!
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post #4 of 70 Old 09-07-2013, 04:52 PM - Thread Starter
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I got the hum to go away. I lost the mic for the amp, but I set my previous sub the same as this one.
I have the high pass filter and low pass filter on the sub disabled I have the crossover on my onkyo set to 80hz for the sub.
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post #5 of 70 Old 09-07-2013, 04:58 PM
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Add more gain on the sub. Is the CV ported ? Sealed sub sounds cleaner and tends to be not noticed when setup FLAT. Just add a bit more gain to get a bit more kick
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post #6 of 70 Old 09-07-2013, 05:02 PM - Thread Starter
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Originally Posted by qguy View Post

Add more gain on the sub. Is the CV ported ? Sealed sub sounds cleaner and tends to be not noticed when setup FLAT. Just add a bit more gain to get a bit more kick
the gain on the sub goes from -100 to 0 I have it set at -8 and on the onkyo the sub is set to it's max setting.
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post #7 of 70 Old 09-07-2013, 05:04 PM - Thread Starter
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Originally Posted by qguy View Post

Add more gain on the sub. Is the CV ported ? Sealed sub sounds cleaner and tends to be not noticed when setup FLAT. Just add a bit more gain to get a bit more kick
the cerwin is ported but it's only 300 watts rms not remotely close to svs claimed 1000 watts rms 3600 peak.
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post #8 of 70 Old 09-07-2013, 06:57 PM
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I don't know what but something sounds off here. Do you have all your settings the same on your AVR the same except for trim?

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post #9 of 70 Old 09-07-2013, 07:08 PM
 
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Wait for it.....wait....and without room measuring capability, one will "NEVER" know what's what with what and without using the AVR provided room correcting program, you're missing out on a huge benefit.

A quick fix suggestion, if you haven't already, look up and learn about "Sub Crawl" as it's the simplest method of finding the best location in a room for a subwoofer. And if you've placed the subwoofer in a location that causes a mid-bass null at the main listening position, you're going be robbed of all that mid-bass slam (40Hz - 80Hz), we're all wanting.

A SVS, SB13-Ultra should be rocking the joint.

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post #10 of 70 Old 09-07-2013, 07:13 PM
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Originally Posted by BeeMan458 View Post

Wait for it.....wait....and without room measuring capability, one will "NEVER" know what's what with what and without using the AVR provided room correcting program, you're missing out on a huge benefit.

A quick fix suggestion, if you haven't already, look up and learn about "Sub Crawl" as it's the simplest method of finding the best location in a room for a subwoofer. And if you've placed the subwoofer in a location that causes a mid-bass null at the main listening position, you're going be robbed of all that mid-bass slam (40Hz - 80Hz), we're all wanting.

agreed!
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post #11 of 70 Old 09-07-2013, 07:40 PM
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Why the SB and not the PB or PC?

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post #12 of 70 Old 09-07-2013, 08:44 PM
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What model CV sub did you have? It may well have had more upper bass output, and it certainly would have had more upper bass distortion which would make it sound louder. The SVS will have very clean bass which can sound quieter than distortion ridden bass. You can use it for deep bass and punch up the upper bass output with something like this Hsu MBM-12.
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post #13 of 70 Old 09-07-2013, 10:21 PM
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Quote:
Originally Posted by lunxbox View Post

Just got a svs sb-13 ultra. I'm very disappointed in it. For movies it's okay but for music the bass is almost non existent. For music my cerwin Vega keeps up with it, and it's only a $300 sub. I expected allot more for damn near 2 grand.

Firstly check if it is a setup issue. By that I mean including proper sub placement; sometimes just putting the new sub where the old sub was might not work. Then check the sub settings and AVR settings.

If you rule all those out, then it's time to suspect the sub itself (perhaps something with the amp or driver)... it's rare but it happens. If so, SVS will take care of you and offer the appropriate fix.
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post #14 of 70 Old 09-07-2013, 10:26 PM
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Originally Posted by lunxbox View Post

the cerwin is ported but it's only 300 watts rms not remotely close to svs claimed 1000 watts rms 3600 peak.
Firstly be aware that sealed subs require a lot more power than ported subs. I guess you're assuming that because the SVS has a 1000W amp it is going to be 3x louder than the Cerwin's 300W amp? Doesn't work that way.
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post #15 of 70 Old 09-08-2013, 01:41 AM
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Quote:
Just got a svs sb-13 ultra. I'm very disappointed in it. For movies it's okay but for music the bass is almost non existent. For music my cerwin Vega keeps up with it, and it's only a $300 sub. I expected allot more for damn near 2 grand.

How big is your room, and a bit on where the sub is located?

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post #16 of 70 Old 09-08-2013, 02:01 AM
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Try the new sub in a corner. Room size will effect room gain which may be a problem. A $10 sub cable from Monoprice works as well as the $200 cable.

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post #17 of 70 Old 09-08-2013, 02:27 AM
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You mention you are getting bass on movies but not on music. Double check your bass management settings in your AVR for stereo, and be sure the speakers are set to small, with a crossover to the sub for bass. Some Avr's have different/seperate settings for music and movies. Also be sure that you aren't using any pure direct type settings as in some Avr's that will bypass any bass management settings you may have.
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post #18 of 70 Old 09-08-2013, 06:44 AM
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Something is definitely wrong unless you've simply become used to muddy bass. Check your settings, do a sub crawl, and ultimately give SVS a call as they're always available to help. I can tell you the SB13-Ultra is no slouch.
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post #19 of 70 Old 09-08-2013, 07:12 AM
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My little SB12 NSD rocks my bedroom and i'm sure a SB13 Ultra would blow it apart. Something has to be wrong with the setup.

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post #20 of 70 Old 09-08-2013, 07:23 AM
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Yup, SB13-Ultra doesn't do bloated exaggerated bass, and its driver is a beast. By the OP's own words....movies ok, music the bass is non existent. Keep in mind with music, the content below 80 hz is fairly low, unless your listening to pipe organ, double bass, tuba, or synthesizer.
Your Ultra cannot reproduce what is not there. Maybe you'd be happier with another Cerwin Vega instead smile.gif
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post #21 of 70 Old 09-08-2013, 07:43 AM
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Originally Posted by CHASLS2 View Post

My little SB12 NSD rocks my bedroom and i'm sure a SB13 Ultra would blow it apart. Something has to be wrong with the setup.

This! Clean bass does not mean less output...The SB13 has the same midbass output of the PB13, which should be 115-116db 2m gp. No way that CV is pumping out those numbers. Were talking about a flagship sub vs a 300.00 sub.
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post #22 of 70 Old 09-08-2013, 07:57 AM
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Originally Posted by basshead81 View Post

This! Clean bass does not mean less output...The SB13 has the same midbass output of the PB13, which should be 115-116db 2m gp. No way that CV is pumping out those numbers. Were talking about a flagship sub vs a 300.00 sub.

So if I understand you correctly, you’re saying the CV isn’t on par with the SB even though it (the CV) might exhibit as much as a 10dB hump in it’s response?

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post #23 of 70 Old 09-08-2013, 08:06 AM
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Originally Posted by steve nn View Post

So if I understand you correctly, you’re saying the CV isn’t on par with the SB even though it (the CV) might exhibit as much as a 10dB hump in it’s response?

Ok I see what you are saying! Lets back this up a few steps and find out what model CV sub the OP has. If its a CVA-121 then yes the SB13 is not going to come close, but I doubt you can score one of those for 300.00.

Also the op mentioned he lost his AVR mic and I believe that could be a major part of the problem being the SB13 is running on the CV tuning via Audyssey. I would get a replacement mic and re run Ausyssey before going any further.
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post #24 of 70 Old 09-08-2013, 08:22 AM
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Originally Posted by basshead81 View Post

Ok I see what you are saying! Lets back this up a few steps and find out what model CV sub the OP has. If its a CVA-121 then yes the SB13 is not going to come close, but I doubt you can score one of those for 300.00.

Oh bass! biggrin.gif You must know me and my kidding by now. 10db hump in response.smile.gif I was agreeing with you.

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post #25 of 70 Old 09-08-2013, 08:23 AM
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If they CV has a peaky response and you factor in room affects, sure. But at what frequency? We really need some measurements here.

OP. you owe it to yourself to do some measurements and experimentation. Just because a sub costs X amount of dollars does not mean you can plop it down anywhere and it will sound X times better than a cheaper sub. Especially using settings from said old sub.

Start by resetting any auto calibrations on you avr or disable it. Next do a sub crawl at minimum to find a good spot.

I have owned that sb13. There is no way someone could be disappointed with it. Especially for music. It's the best sounding commercial sub I have ever had music wise.

I'm sure you can get this worked out. Seriously. Call svs. They are awesome at helping you set up your sub. There are a lot of very knowledgable folks on here, but why not just call the manufacturer ?

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post #26 of 70 Old 09-08-2013, 08:26 AM
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Quote:
Originally Posted by basshead81 View Post

This! Clean bass does not mean less output...The SB13 has the same midbass output of the PB13, which should be 115-116db 2m gp. No way that CV is pumping out those numbers. Were talking about a flagship sub vs a 300.00 sub.

I'm betting the sub he is using is this one. It's possible it could hit and exceed those numbers in upper bass. CW is big on sensitivity, so they are likely using a very light driver. It doesn't take much energy to get a light driver to get loud in higher frequencies. Since most music lay in the upper bass region, it could sound louder, especially when you stack up its distortion.
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post #27 of 70 Old 09-08-2013, 08:28 AM
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Originally Posted by steve nn View Post

Oh bass! biggrin.gif You must know me and my kidding by now. 10db hump in response.smile.gif I was agreeing with you.


lol I totally missed that...Zing!
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post #28 of 70 Old 09-08-2013, 08:30 AM
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Originally Posted by shadyJ View Post

I'm betting the sub he is using is this one. It's possible it could hit and exceed those numbers in upper bass. CW is big on sensitivity, so they are likely using a very light driver. It doesn't take much energy to get a light driver to get loud in higher frequencies. Since most music lay in the upper bass region, it could sound louder, especially when you stack up its distortion.

Possibly but i doubt it...I think its more to do with the fact he is running the SB13 on the CV Audyssey calibration.
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post #29 of 70 Old 09-08-2013, 08:40 AM
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Originally Posted by brian6751 View Post

If they CV has a peaky response and you factor in room affects, sure. But at what frequency? We really need some measurements here.

OP. you owe it to yourself to do some measurements and experimentation. Just because a sub costs X amount of dollars does not mean you can plop it down anywhere and it will sound X times better than a cheaper sub. Especially using settings from said old sub.

Start by resetting any auto calibrations on you avr or disable it. Next do a sub crawl at minimum to find a good spot.

I have owned that sb13. There is no way someone could be disappointed with it. Especially for music. It's the best sounding commercial sub I have ever had music wise.

I'm sure you can get this worked out. Seriously. Call svs. They are awesome at helping you set up your sub. There are a lot of very knowledgable folks on here, but why not just call the manufacturer ?

Yeah that’s all good. But we do get people around here asking about a port bung and the likes! We give them a good answer (many have owned a few SVS’s) and still members suggest calling up SVS with something so minor. That’s not to suggest this would not be one of those times though. Measuring is a big deal and the OP should invest in a meter most definitely.
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lol I totally missed that...Zing!

No zing, just agreeing wink.gifcool.gif

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post #30 of 70 Old 09-08-2013, 08:44 AM
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Something is definitely wrong... I use to have dual SB13U's and they kicked some major butt with music. I actually had the exact opposite experience as the OP, the reason I went with dual JTR S1's.
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