Svs PB 2000 low output????? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 220 Old 05-12-2019, 06:00 AM - Thread Starter
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Svs PB 2000 low output?????

Hello, i have an pb 2000 for my 700 cubic feet room. In order to level calibrate with the rest of my system i need to have it at 2 o'clock and -7? My room is awfully small for such a HUGE subwoofer. People with MUCH bigger rooms than mine are saying the subwoofer is supposed to be a Power house. I don't even listen above 80 db and my room is as i said very small. Also, in some Movies like Blade runner 2049 the cone moves like crazy andi can hear the subwoofer making some weird noises. I used to have 2 sb 1000's tha had the same exact issue! It makes a sort of "cone flapping" noise. And yes the suwboofer is properly placed. Below are some measurments i took. Am i missing somethnig? Is it just a case of allowing the subwoofer to burn in or? I would surely Think this monster would have more output than 2 teeny tiny sb 1000's? I'm honestly so confused. Also no eq boost is on.
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post #2 of 220 Old 05-12-2019, 07:36 AM
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Looks fine, you probably just need to up the sub level in your receiver. What level did it get detected at when you ran the room calibration?
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post #3 of 220 Old 05-12-2019, 08:41 AM
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I suspect your in a null where your taking REW measurements although they look good. The fact this PB2000 is also making the same cone flapping sound (as you describe) like the pair of SB1000's would indicate you are over driving this sub as well. Upping the avr trim will not help. MLP and or sub location needs to be changed,, or if not in a null, your a basshead and need two large sealed 18" subs. This sub should be pounding in that size sealed room.

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post #4 of 220 Old 05-12-2019, 08:47 AM
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Originally Posted by Droidboi View Post
I love the pressure of this thing. It pressursises my room very well but i don't Think i am overdriving it. 2 o'clock and -7 db listening to MAX 80 db in my very small room. Shouldn't it handle that very well?
If the cone is making flapping noises, or your getting lots of chuffing from the port you are pushing the subs limit.

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post #5 of 220 Old 05-12-2019, 08:50 AM - Thread Starter
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Originally Posted by indebtbassfreak View Post
If the cone is making flapping noises, or your getting lots of chuffing from the port you are pushing the subs limit.
Then what do i need? Do i need a 40 inch driver for my small room? Why would this subwoofer be recommended in big rooms if it can't handle low levels?
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post #6 of 220 Old 05-12-2019, 08:50 AM
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Quote:
Originally Posted by Droidboi View Post
I love the pressure of this thing. It pressursises my room very well but i don't Think i am overdriving it. 2 o'clock and -7 db listening to MAX 80 db in my very small room. Shouldn't it handle that very well?
If your happy with how it's pressurizing the room but still unsatisfied then maybe your bass taste is suited towards mid bass slam as apposed to ULF

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post #7 of 220 Old 05-12-2019, 08:51 AM - Thread Starter
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Originally Posted by indebtbassfreak View Post
If the cone is making flapping noises, or your getting lots of chuffing from the port you are pushing the subs limit.
This subwoofer is already TOO big for my room. There is only 3 places i can really put it and the current position is the best.
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post #8 of 220 Old 05-12-2019, 08:52 AM - Thread Starter
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Originally Posted by indebtbassfreak View Post
If your happy with how it's pressurizing the room but still unsatisfied then maybe your bass taste is suited towards mid bass slam as apposed to ULF
No i love the low frequency bass. I love how it sounds it's just the Power/weird noise issue
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post #9 of 220 Old 05-12-2019, 08:54 AM
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Originally Posted by Droidboi View Post
This subwoofer is already TOO big for my room. There is only 3 places i can really put it and the current position is the best.
Are you using a Yamaha AVR?

Some AVS members have reported some of those AVRs give poor output to the sub.

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post #10 of 220 Old 05-12-2019, 08:54 AM
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Originally Posted by Droidboi View Post
All i want is to level calibrate it and want it to handle 80 db in my room. Is that really to much too ask?
That sub will provide way more than 80DB's in that room, set up, (sub/MLP) placement within the room is more important than sub choice. There is no way two SB1000 and now a PB2000 is not hitting 100DB's+ in that room unless set up is wrong imo.

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post #11 of 220 Old 05-12-2019, 08:54 AM - Thread Starter
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Originally Posted by indebtbassfreak View Post
If your happy with how it's pressurizing the room but still unsatisfied then maybe your bass taste is suited towards mid bass slam as apposed to ULF
Am i supposed to look into other brands? Are svs suwboofers complete trash at handling Power or what? I had the SAME issue with my sb 1000's and plenty of people recommended the pb 1000 or pb 2000 since they are supposed to be alot more powerful.
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post #12 of 220 Old 05-12-2019, 08:55 AM - Thread Starter
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Originally Posted by gajCA View Post
Are you using a Yamaha AVR?

Some AVS members have reported some of those AVRs give poor output to the sub.
No it's and onkyo
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post #13 of 220 Old 05-12-2019, 08:56 AM - Thread Starter
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Originally Posted by indebtbassfreak View Post

That sub will provide way more than 80DB's in that room, set up, (sub/MLP) placement within the room is more important than sub choice. There is no way two SB1000 and now a PB2000 is not hitting 100DB's+ in that room unless set up is wrong imo.
It can provide much more it's more about it making that noise
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post #14 of 220 Old 05-12-2019, 09:14 AM
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Originally Posted by Droidboi View Post
I never ran auto correction. I just used my c weighted spl meter to hit 75 db using the test tones. What do you mean up the level in you reciever? Isn't it supposed to be in the negatives?
Run the auto setup and go from there. Put the mic right where you sit and see what level it detects.
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post #15 of 220 Old 05-12-2019, 09:22 AM - Thread Starter
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Run the auto setup and go from there. Put the mic right where you sit and see what level it detects.
Okay i'll try it out
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post #16 of 220 Old 05-12-2019, 09:29 AM - Thread Starter
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Run the auto setup and go from there. Put the mic right where you sit and see what level it detects.
It detected 0 db with the auto setup. Do keep in mind that it also raised the rest of my speakers.I'm not sure if it's accurate. Both my fronts and surrounds are also at 0db and my surrounds are right by my ears
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post #17 of 220 Old 05-12-2019, 09:30 AM - Thread Starter
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Originally Posted by ratbuddy View Post
Run the auto setup and go from there. Put the mic right where you sit and see what level it detects.
Alright the auto setup seems to set my subwoofer 5 db lower than the other speakers when using my spl meter.
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post #18 of 220 Old 05-12-2019, 09:32 AM
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Originally Posted by ratbuddy View Post
Run the auto setup and go from there. Put the mic right where you sit and see what level it detects.
^^ Agreed! Run whatever Onkyo has for Auto Setup and see where the levels are.
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post #19 of 220 Old 05-12-2019, 09:33 AM
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Originally Posted by ratbuddy View Post
Run the auto setup and go from there. Put the mic right where you sit and see what level it detects.
And take your REW measurements from that same position.
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post #20 of 220 Old 05-12-2019, 09:34 AM - Thread Starter
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^^ Agreed! Run whatever Onkyo has for Auto Setup and see where the levels are.
The noise is still there after the auto setup
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post #21 of 220 Old 05-12-2019, 09:36 AM - Thread Starter
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And take your REW measurements from that same position.
The REW measurments are Always right at my ear levels
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post #22 of 220 Old 05-12-2019, 09:45 AM - Thread Starter
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Originally Posted by indebtbassfreak View Post
If the cone is making flapping noises, or your getting lots of chuffing from the port you are pushing the subs limit.
https://www.audioholics.com/subwoofe...svs-sb-pb-2000

According to audioholics this subwoofers is good for rooms OVER 3000 cubic feet. My room is only 700 and it can't hnadle very low volumes in my room? Did audioholics just lie or is something very wrong here?
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post #23 of 220 Old 05-12-2019, 09:53 AM
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Originally Posted by Droidboi View Post
The noise is still there after the auto setup
Where did the Audyssey set your levels at??
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post #24 of 220 Old 05-12-2019, 09:59 AM - Thread Starter
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Where did the Audyssey set your levels at??
0db for all speakers including the subwoofe. Just front right was set to +1
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post #25 of 220 Old 05-12-2019, 10:03 AM
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Originally Posted by Droidboi View Post
0db for all speakers including the subwoofe. Just front right was set to +1
Forget the speakers for a moment. Run it again and this time raise the gain/knob in the back of the sub. You want it to come back at -13 or so but no more than -14.5 Keep raising the back of the gain/knob on your subwoofer till you come back with those levels. When you do, post here and I will tell you the next step...
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post #26 of 220 Old 05-12-2019, 10:34 AM - Thread Starter
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Forget the speakers for a moment. Run it again and this time raise the gain/knob in the back of the sub. You want it to come back at -13 or so but no more than -14.5 Keep raising the back of the gain/knob on your subwoofer till you come back with those levels. When you do, post here and I will tell you the next step...
Yeah no something is seriously wrong with the auto setup. It came back at -1 at full volume
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post #27 of 220 Old 05-12-2019, 10:39 AM
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Yeah no something is seriously wrong with the auto setup. It came back at -1 at full volume
Yes I have to agree with you if you are only able to come up at -1 with the gain all the way to the max. The only thing I can think of is, you are sitting on a null, something wrong with your measuring mic or something wrong with the sub
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post #28 of 220 Old 05-12-2019, 10:42 AM - Thread Starter
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Yes I have to agree with you if you are only able to come up at -1 with the gain all the way to the max. The only thing I can think of is, you are sitting on a null, something wrong with your measuring mic or something wrong with the sub
This is my THIRD svs subwoofer that has been acting up like this. Have i gotten 3 defective units or what? What is this garbage
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post #29 of 220 Old 05-12-2019, 11:07 AM - Thread Starter
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Yes I have to agree with you if you are only able to come up at -1 with the gain all the way to the max. The only thing I can think of is, you are sitting on a null, something wrong with your measuring mic or something wrong with the sub
So waht do i do if i can't change my listening postition? Just live with this? I'm getting less output than from sb 1000. I'm starting to Think that svs is utterly trash.
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post #30 of 220 Old 05-12-2019, 11:12 AM
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Originally Posted by Droidboi View Post
This is my THIRD svs subwoofer that has been acting up like this. Have i gotten 3 defective units or what? What is this garbage

The chances of this happening is so remote I would lean on some other factor causing your issue. Here are a few things to try:
  • Ensure the cables on the back of the AVR are snug.
  • Ensure the cable is connected to the AVR SUB 1 output and to the Subs LFE Input.
  • If your AVR has 2 Sub outputs try swapping from Sub 1 Out to rule out bad Sub LFE connection.
  • Try using a known good RCA cable for the connection, even if done temp to rule out a bad cable.
  • Try swapping LFE cables as in your prior thread 1 PB1K worked and 1 PB1K didnt. Use the good one on your new Sub to see if any change.

5.4.4 - Subs: SVS PB16-Ultra x 4 | AVR: Denon AVR-X4200W | Ext Amp: Emotiva BasX A-150 | L&R: Polk RTiA7 | F&R Heights: Polk RTiA3 | SL&SR: Polk RTiA7 | C: Polk CSiA6 | Display: Sharp LC-70UH30U | UHD Source: Sony UBP-UX80
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