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Not very pleased with my SVS sub.....Yet


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31 replies to this topic

#1 of 32 Dan_J_H.

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Posted April 05 2005 - 07:46 PM

I have a new SVS PB12-Plus/2 subwoofer and am not very happy with it so far. Hopefully, after some calibrations and making sure my settings are correct in my DVD player, Receiver and Subwoofer, everything will be fine. With DVD's, I'm not really hearing or feeling that much bass. I have not yet used my SPL meter with my Avia DVD. I would like to first see if my settings are correct on my receiver and DVD player.

I will show the choices for the settings and put [brackets] around the setting I have chosen. Please let me know if I have the wrong setting.

Pioneer Elite DV-37 DVD player

Audio 1

Dolby digital out: [Dolby digital] Dolby digital > PCM
DTS out: [DTS] OFF
96khz PCM out: 96khz [96khz > 48khz]
MPEG out: MPEG [MPEG > PCM]
Digital out: [ON] OFF

Audio 2

Virtual Surround: [OFF] Dolby V/Truesurround
Audio DRC: High Medium Low [OFF]

General

Amp Connection [Dolby digital]
Dolby digital/DTS
Digital Jack Dolby digital/MPEG
Dolby digital/DTS/MPEG
PCM
Not Connected

Amp Connection: [NO]
YES
96khz PCM audio Don't know

Pioneer Elite VSX-36TX Receiver

Speaker setting: [FREE] THX
Front, center and surround: [Small] Large
Subwoofer: [YES]

Channel delay: All speakers: 8FT

Channel level: All speakers: 0.0db (for now)

Crossover Network: Frequency [80Hz]

Bass Peak Level Manager:
Bass Peak Level [_ _ _] (nothing entered)

Dynamic Range Control: [OFF]


On my subwoofer I have the gain set ¼ the way up, the Crossover enable switch disabled and the Phase set at zero. The cable going to my sub is a Monster cable with this written on the side of the cable: M500V Ultra High Velocity Composite Video Cable with N2 Injected Dielectric.

I really want to get this sub working correctly soon. Any help would be great.

Dan
For progress pictures of my HT click on the link.

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#2 of 32 ScottCarr

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Posted April 05 2005 - 11:13 PM

Do you hear the test tone from the receiver?

Try a differnt cable.

Verify that all PCM settings are selected then try with PCM selections deselected

Bass peak manager is set to off

turn up the gain a little, look for a DTS or THX like the one in the Incerdibles (very strong bass)

#3 of 32 DonnyD

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Posted April 05 2005 - 11:21 PM

Change your output on the dvd player to "bitstream".

When I first got my PB2+ (earlier mod of what you have), I too was expecting more..... began investigating and found I had a placement issue. VERY happy now....those are some monster subs......
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#4 of 32 Jeff Gatie

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Posted April 06 2005 - 12:32 AM

Quote:
Dolby digital out: [Dolby digital] Dolby digital > PCM


This is the problem. You are only getting PCM, not Dolby Digital. PCM will give you Pro-logic output at most. Switch it to bitstream or Dolby Digital. Also turn DTS on, if your receiver can decode DTS.

Quote:
Front, center and surround: [Small] Large

You do not say what speakers you have, but with that SVS sub I would run my speakers at "Small" instead of large in order to route all bass to the sub. You may be cutting off some bass by running your speakers "Large" when they cannot handle low frequencies.

#5 of 32 Rogelio D

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Posted April 06 2005 - 01:54 AM

Also, what are your room dimensions and where is the sub placed in the room relative to your listening position?

Is it a concrete floor in a basement or is it a normal floor that will give you more tactile feeling?



Where's ED with his checklist?

Posted Image

The guys on here are great and will help you get your sub pounding.



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#6 of 32 CraigVH

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Posted April 06 2005 - 03:12 AM

Jeff G,

I think he said he put brackets around what was selected, so he has Dolby Digital selected, not DD > PCM.

#7 of 32 darrylCHER

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Posted April 06 2005 - 03:27 AM

I too believe that Dan has his system set up properly in regards to DD and DTS. He put brackets around them both to show which setting he selected.

However, I think that his speaker delays are off (very unusual to have all 6 speakers at 8ft!). And more important he has not yet calibrated the speakers and the subwoofer's SPL.......VERY CRITICAL!!

Dan, I would fix those 2 set up problems first before you do any "real" critical listening. Other than that, your set up/bass management looks good.


Darryl

#8 of 32 Chris A H

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Posted April 06 2005 - 03:36 AM

As already mentioned, I would look at the gain setting, the position in the room and then correctly adjust the variable phase.

My SVS is positioned next to my couch in a corner at the opposite end of the room from my front speakers, and it went from OK to WOW as the phase went from 0 to it's final spot at 100 degrees.

For me, phase made a huge difference.

#9 of 32 MikeLi

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Posted April 06 2005 - 04:18 AM

I had mine (a PB2+) which replaced dual NHT 12" subs. Absolutly no compairison... so you must have something off. I tried different placement options but really wanted it in a specific corner.. The test showed only a minor difference so thats where it went. A bit of tweeking with the dials and I so much love this sub. There are times when you can feel you chest hairs move under your shirt... You will figure it out! Also on your receiver were you using prior a y connector for dual sub outputs or just one? you may want to check that. Some like to run the Y adapter. Just gives a little boost but you can do the same thing by turning up the gain a bit. Also make sure you don't have night time use on, on the receiver... you would be surprised how many folks didn't even know they had such a thing and found it on when checked...

#10 of 32 Phil Iturralde

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Posted April 06 2005 - 04:38 AM

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#11 of 32 Parker Clack

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Posted April 06 2005 - 04:59 AM

Dan:

You can always email Ron or Tom and they will make sure that all is working as it should.

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#12 of 32 terence

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Posted April 06 2005 - 11:41 AM

Dan i was looking at your HT photos.

Do you have (walls) sheetrock up yet?

If not that is a lot of cubic ft with the basement wide open and no boundries like a corner.
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#13 of 32 Dan_J_H.

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Posted April 06 2005 - 02:59 PM

Terence,

The drywall is not even near being ready to be put up yet. For now, my sub is in my upstairs livingroom HT. I have the sub positioned with the ports 6" or so away from a wall (not in a corner). My other (new) speakers are: KEF Q11 mains, Q10c center and Q2ds surrounds. The new surrounds are not hooked up because they won't fit on my wall speaker brackets. I'm using Polk RT35i surrounds.

Today, I set the correct speaker distances in feet. I used my SPL meter with my receiver's test tones to set the channel levels. I'm not sure I have the sub's channel level exactly right. I need to take the time to read up better on using the SPL and Avia.

I have noticed an improvement in bass while watching scenes from the DTS version of Saving Private Ryan. I like the low bass when Hanks and the others are in the church at night with bombs going off in the distance outside. I also love the VERY impressive surround and bass during the last battle in the bombed-out town.

I am feeling a bit better now about my sub. I'm sure with some better tweaking and placement in a corner, this thing will be totally awesome.

Dan
For progress pictures of my HT click on the link.

http://community.web...om/user/danjh38

#14 of 32 Lee_L

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Posted April 08 2005 - 09:32 AM

Quote:
The cable going to my sub is a Monster cable with this written on the side of the cable: M500V Ultra High Velocity Composite Video Cable with N2 Injected Dielectric.

I don't know if anyone caught this yet, but you're using a video cable to go to your sub, you should be using an audio cable.

#15 of 32 KenLeBlanc

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Posted April 08 2005 - 09:38 AM

Good catch !

#16 of 32 SVS-Ron

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Posted April 08 2005 - 10:09 AM

Dan,

Have you fixed this??

Dolby digital out: [Dolby digital] Dolby digital > PCM

(NOTE: This must be "BITSTREAM" not "PCM"

DTS out: [DTS] OFF

(Note: must be "ON")


Speaker setting: [FREE] THX

(Note: what are your other choices for this? "THX" anything with regards to speakers can induce some odd things in terms of bass rolloff, though it might just be refering to the slope of the bass management crossover)

PS Have you got access to "Avia"? This will take a lot of the guesswork out of the situation regarding your receiver test tones. I don't trust a system setup to these unless there is literally no other choice.

Ron

#17 of 32 Kevin C Brown

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Posted April 08 2005 - 01:02 PM

It is certainly OK to use component video quality cable to a sub. Just not a "composite" video cable. Posted Image Component video cable (shielded 75 ohm coax cable) is actually better all-around cable than most cheap generic audio cable.
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#18 of 32 Ilkka R

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Posted April 08 2005 - 01:08 PM

Dolby digital out: [Dolby digital] Dolby digital > PCM

(NOTE: This must be "BITSTREAM" not "PCM"

DTS out: [DTS] OFF

(Note: must be "ON")


Speaker setting: [FREE] THX


Ron,

those settings mean that he has used the [ ] one! So Dolby Digital (=bitstream) is in use. So is DTS and speaker setting is set to FREE.

#19 of 32 Ilkka R

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Posted April 08 2005 - 01:11 PM

When you say "Channel level: All speakers: 0.0db", you mean also subwoofer (sub-out)? Your settings seems to be OK. Just turn up the gain, 1/4 can be too little.

If nothing helps, there might be problem either in your receiver (sub-out is not outputting enough) or SVS's amp is broken.

#20 of 32 Scott Kriefall

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Posted April 08 2005 - 02:15 PM

Good composite video cable should work fine as a sub cable. In fact, using a length of RG-59 or RG-6 video coax cable with F-to-RCA converters is often a cheap way of obtaining a good sub cable. I do realize that's not what Dan is using, but the Monster cable looks to be of comparable quality.


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