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post #26071 of 26086 Unread 04-20-2017, 10:20 AM
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Originally Posted by TimoJ View Post
Sounds like my SB-2000 subs are somewhat different: hissing only appears after AC power is disconnected and later reconnected.
And that is random, subs may start in quiet "mode" and they will stay like that until next AC startup. Or sub or both subs may start in hissing "mode" and nothing helps except turning AC power off and trying again.

Also: if I use 12V trigger, subs (if they started AC startup in quiet mode) will still remain quiet after they are turned off/on with 12V line. And same also with using auto turn off function.

And: hissing volume is always the same. With hissing AC startup, I can hear it 3 meters away. And with quiet AC startup sub is very quiet, I can only hear hissing with ear next to subwoofer cone.

So my problem is "fixed" if I get the subs to start in quiet mode and never turn their AC off. But I don't want leave their AC connected when the other system is turned off, there is something about switching power supply circuits inside a wooden cabinet that makes me nervous...
It sounds like there is no point in getting a replacement amp as it will likely be the same.
My subs still have only a feint hiss after being on all night.

I don't really fancy having to cycle the sub on and off to get it to be quiet so will try always on for a while.
My old Rel sub was always left on and it did no harm so fingers crossed.
I think I prefer a slightly higher electric bill rather than having a hiss.
Thanks for all the help.
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post #26072 of 26086 Unread 04-20-2017, 11:13 AM
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Originally Posted by Mongo171 View Post
My OPPO puts out 2.1V. Amp needs 2.0V for full output.

A "y" connector might help.
My Yamaha HD AVR has ONE RCA sub and it's 2.0 volts and I run two subs from a splitter on the back of the AVR and use splitters on both of my subs. I just noticed some the members posting they have 12 volts......... I thought it was a typo at first thinking they meant 1.2 volts. I wonder what is the PB 13 Ultra volt specs +/- to run correctly? Time to Google

My warranty replacement amp from last week failed, this time the DSP display comes ON but no sound. I talked to Jack at SVS and they are sending another free amp. I tested the driver again and it's still about 4.4 ohm and a 9 volt battery will make the cone move. This is factory spec per the SVS Customer Service Manager (Jack) This is amp #6 to have issues in 10 years.The last amp had MELTED parts that splattered small bits on the white fiber insulation, I also wonder if this white insulation is fire retardant????

This amp warranty has two years remaining as I just purchased this SVS PB 13 Ultra from the 2nd owner ( best friend James ) and I met Greg the original owner and listened to it at his house years ago, so I know how this SVS was adjusted etc. The down side of purchasing used and no 5 year warranty. I knew it was eating a amp every two years on average so when I got it (great deal). I figured the last amp lasted James almost 3 years I thought it was OK, it lasted several more weeks after I got it and now that replacement has failed in less then two weeks SIGH

So glad SVS Customer Service is great to deal with ....... I talked to Jack Gilvey C.S. Manager when I told him what this amp was doing and wonder did I have a defective driver he stopped me and said a new amp is on he way. As I was going to check the driver for him first. He said no need as these drivers are near Bullet Proof. I was correct as I checked it, glad (retired) I don't have $599.00 cash for a new driver. I had to save for months to buy this sub.

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post #26073 of 26086 Unread 04-20-2017, 11:30 AM
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Hello,

Do you know where I can find spare screw for my SB12-NSD ? I damaged the head of a screw...when I wanted to change the back plate for my earlier issue ?

I didn't do any test yet, probably this week end.

Thanks
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post #26074 of 26086 Unread 04-20-2017, 12:03 PM
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Originally Posted by Dooky View Post
Hello,

Do you know where I can find spare screw for my SB12-NSD ? I damaged the head of a screw...when I wanted to change the back plate for my earlier issue ?

I didn't do any test yet, probably this week end.

Thanks
You know who to call...!

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post #26075 of 26086 Unread 04-20-2017, 12:09 PM
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Quote:
Originally Posted by Dooky View Post
Hello,

Do you know where I can find spare screw for my SB12-NSD ? I damaged the head of a screw...when I wanted to change the back plate for my earlier issue ?

I didn't do any test yet, probably this week end.

Thanks
I have quite a few, but unfortunately, I am using them!

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post #26076 of 26086 Unread 04-20-2017, 12:20 PM
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Originally Posted by Mongo171 View Post
You know who to call...!


Is it standard screws ?
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post #26077 of 26086 Unread 04-20-2017, 12:41 PM
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Originally Posted by Dooky View Post


Is it standard screws ?
I think he just means to contact SVS and they will send you some. Meanwhile it shouldn't hurt to operate without one of the screws. I don't know that you could find comparable screws at a hardware store. Maybe, but these look fairly specialized to me.

Regards,
Mike
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post #26078 of 26086 Unread 04-20-2017, 12:42 PM
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Originally Posted by Dooky View Post


Is it standard screws ?
On my newer PC13-Ultra, it was a torx screw.I want to say T-15. Older subs might use a different type of screw.

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post #26079 of 26086 Unread 04-20-2017, 01:48 PM
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Originally Posted by mthomas47 View Post
I think he just means to contact SVS and they will send you some. Meanwhile it shouldn't hurt to operate without one of the screws. I don't know that you could find comparable screws at a hardware store. Maybe, but these look fairly specialized to me.

Regards,
Mike
Ok thank you, i'm going to try to contact SVS, but I hope they can send screw to France....
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post #26080 of 26086 Unread 04-20-2017, 02:51 PM
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Originally Posted by mthomas47 View Post
Quote:
Originally Posted by dooky View Post


is it standard screws ?
i think he just means to contact svs and they will send you some. Meanwhile it shouldn't hurt to operate without one of the screws. I don't know that you could find comparable screws at a hardware store. Maybe, but these look fairly specialized to me.

Regards,
mike
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post #26081 of 26086 Unread 04-21-2017, 07:26 PM
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Ok I got my 2nd SB-1000 and I have a few thoughts..............
So they're not symmetrical as I can't really do it, my AVR doesn't have sub-EQ and I don't feel like getting a Minidsp just yet.........can I just re-run my AMCACC and be ok?

I do have a Mic for running REW and it was an adventure getting my FR Graph as smooth as possible by adjusting phase on my new sub. (As for Sub distance I just averaged the distance of both subs)

How much of an improvement would one of those Owens Corning bass trap thingies give me? I bought some of those Bass Traps you see on Amazon but some folks say they aren't really for sub-bass more fore the 400hz range (well that's a waste).........

It seems like when I get down on the floor my subs sound so much better than when I'm sitting, do I just need to crank up the volume?

Lastly someone said not to use the LFE input on the back of the sub, just to use a generic one as you don't want it to "just" be for LFE or something like that..............though they do come on when I set it to "Stereo" (As I only have a 2.2 setup)
Also thanks again to SVS for the free t-shirt!


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post #26082 of 26086 Unread Today, 01:11 AM
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After considering DIY for subs I ended up going with dual PB-1000's to start, they're on the way. Should be quite a difference from my single ML Dynamo 300.

The upgrade program is what sold me, and the high marks for customer service. Looking forward to climbing the sub ladder with SVS.

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post #26083 of 26086 Unread Today, 04:02 AM
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Ok I changed the back plate of my SB12 (see problem previous page) and it look like it's working well. No more loud sound.

I just have to find spare screws.

Thanks a lot guys for your help !
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post #26084 of 26086 Unread Today, 06:02 AM
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Quote:
Originally Posted by Kingcarcas View Post
Ok I got my 2nd SB-1000 and I have a few thoughts..............
So they're not symmetrical as I can't really do it, my AVR doesn't have sub-EQ and I don't feel like getting a Minidsp just yet.........can I just re-run my AMCACC and be ok?

I do have a Mic for running REW and it was an adventure getting my FR Graph as smooth as possible by adjusting phase on my new sub. (As for Sub distance I just averaged the distance of both subs)

How much of an improvement would one of those Owens Corning bass trap thingies give me? I bought some of those Bass Traps you see on Amazon but some folks say they aren't really for sub-bass more fore the 400hz range (well that's a waste).........

It seems like when I get down on the floor my subs sound so much better than when I'm sitting, do I just need to crank up the volume?

Lastly someone said not to use the LFE input on the back of the sub, just to use a generic one as you don't want it to "just" be for LFE or something like that..............though they do come on when I set it to "Stereo" (As I only have a 2.2 setup)
Also thanks again to SVS for the free t-shirt!
You should be good enough just rerunning your AVR's EQ - it will take the combined output of the two subs at your MLP and EQ it with your speakers. And LFE is the right input on the sub; the instructions from SVS probably say to do that. Are you referring to the LFE output on the back of the AVR? That will work fine as well as long as you set your speakers to "small" in the AVR setup. If you set them to "large", the crossover isn't used (as least not on my Sony), and no L/R channel signal goes to the LFE output.

Given you said the subs sound better on the floor, you might be sitting in a vertical null. You can check by running REW with the mic at various heights. If you do find a vertical null, you could "fill" it by raising one of your subs off the floor, maybe 2-3 feet. Should be easy to do with an SB1000, just set it on a table or box, since they aren't that heavy. At least give it a try.
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post #26085 of 26086 Unread Today, 06:37 AM
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Ok I changed the back plate of my SB12 (see problem previous page) and it look like it's working well. No more loud sound.

I just have to find spare screws.

Thanks a lot guys for your help !
I just replaced my amp on my PB 13 Ultra and I have extra screws that hold the plate amp in the cabinet. I can mail a few to you but you can go to a hardware store with one to match. It does not matter if it's a Phillips or Torx drive as long as the screw is the same diameter,length and thread twist as these are wood screws. That is if your model SVS has the same size amp (dia of holes in the plate) screws as my PB 13 Ultra.

A BIG thanks to Jack at SVS after I installed the replacement amp, I called him and he walked me thru hooking it up and going thru the menu to make sure I understand how to use all the adjustments in the DSP. Jack was very patient with me and was NOT in a hurry to get off the phone and explained to me how everything works. I have owned a lot of subs in the last 20 years that did not have all these adjustments. Now that I understand how all this works it was worth the trouble to learn WOW does this PB 13 Ultra sound GREAT.
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post #26086 of 26086 Unread Today, 08:32 AM
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I just replaced my amp on my PB 13 Ultra and I have extra screws that hold the plate amp in the cabinet. I can mail a few to you but you can go to a hardware store with one to match. It does not matter if it's a Phillips or Torx drive as long as the screw is the same diameter,length and thread twist as these are wood screws. That is if your model SVS has the same size amp (dia of holes in the plate) screws as my PB 13 Ultra.

A BIG thanks to Jack at SVS after I installed the replacement amp, I called him and he walked me thru hooking it up and going thru the menu to make sure I understand how to use all the adjustments in the DSP. Jack was very patient with me and was NOT in a hurry to get off the phone and explained to me how everything works. I have owned a lot of subs in the last 20 years that did not have all these adjustments. Now that I understand how all this works it was worth the trouble to learn WOW does this PB 13 Ultra sound GREAT.
It's very nice, but I'm living in France. I'll go to a hardware store to find the same kind screws.

Thank you very much for your proposition !
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