Official SVS Owners/Support Thread. - Page 4 - AVS | Home Theater Discussions And Reviews

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Subwoofers, Bass, and Transducers

darthbrooklyn's Avatar darthbrooklyn
08:00 AM Liked: 10
post #91 of 20648
09-23-2006 | Posts: 47
Joined: Feb 2006
Thanks for the advice guys.. Going to try spinning it with some low Hz sweeps this afternoon after the wife leaves.. He he
WolfsBane's Avatar WolfsBane
08:24 AM Liked: 12
post #92 of 20648
09-23-2006 | Posts: 831
Joined: Jun 2006
If you have pets, make sure they are not in the room. They seem to hate the high level tone sweeps for the subs.
Big Bri's Avatar Big Bri
09:50 AM Liked: 10
post #93 of 20648
09-23-2006 | Posts: 190
Joined: Nov 2005
Just did a routine calibration of my speaker levels, and found that I had to knock my LFE pre-out on my AVR down from -3.0 db to -5.0 db. My PB Plus/2 has been up and running a couple months now. I initially set it up to run about 5.0 db hot over the rest of my speakers, and I guess over the last couple months its broken in quite a bit. Just an FYI for those of you who haven't calibrated in a while. I expected it to brake in, just not that significantly.
r:o:b's Avatar r:o:b
03:19 PM Liked: 10
post #94 of 20648
09-23-2006 | Posts: 61
Joined: Jul 2005
i actually called svs asking about brake in period. THey told me there isnt one, just to run the sub a little quiter than normal untill you get adjusted to it...
gmoney80's Avatar gmoney80
04:11 PM Liked: 10
post #95 of 20648
09-23-2006 | Posts: 491
Joined: Dec 2005
i love my 20-39 pci fantastic value, best subs in the business, but now looking for bigger and deeper i will probably buy and ultra. can't wait to try one of those bad boys out
tvsurfer's Avatar tvsurfer
05:02 PM Liked: 10
post #96 of 20648
09-23-2006 | Posts: 447
Joined: Sep 2006
I have one of those Kill-A-Watt deals to measure power consumption and measured my SVS sub at 18 watts a normal levels and ~26 watts at full tilt reference levels...double-checked it even. I thought something was wrong with the meter, but my receiver was pulling 76-125 watts, my PC 150 watts at idle, Sony laptop - 47 watts so I think the meter is ok. Could the SVS be this efficient?
cschang's Avatar cschang
05:21 PM Liked: 92
post #97 of 20648
09-23-2006 | Posts: 14,806
Joined: Mar 2003
what kind of material was playing through the sub when you took the measurements?
Buckeyefan's Avatar Buckeyefan
05:41 PM Liked: 12
post #98 of 20648
09-23-2006 | Posts: 1,113
Joined: Feb 2005
Keep in mind, that meter is reading consumption, and not amplifier output. Also keep in mind that is a class D amp, which doesn't generate a lot of heat. They run 90% efficient, where a class A/B amp as in your receiver is roughly 50% efficient.

A large, ported box should be extremely efficient, espeically with a BASH amp.

Try your meter on a hair dryer on high, an iron heated up, and toaster oven heated up. Also try it on a simple lamp with a 100 watt bulb.

Report back if you don't mind.
tvsurfer's Avatar tvsurfer
09:01 PM Liked: 10
post #99 of 20648
09-23-2006 | Posts: 447
Joined: Sep 2006
I played Tupac Shakur "Hail Mary" lots of ~20Hz bass. I totally forgot about the benefits of a BASH amp so I guess these result really aren't a surprise.

Those are all good suggestions to test, but I borrowed the Kill-A-Watt from a buddy and already gave it back so no more testing. The box did say 0.2% accuracy. I tried it on my brother's color laser printer while printing: 850 watts max. My 50" LG plasma takes 49 watts turned off (!) and 450 watts while on.
Kipp Jones's Avatar Kipp Jones
09:06 PM Liked: 12
post #100 of 20648
09-23-2006 | Posts: 11,792
Joined: Jan 2001
Its not watts you want to be concerned about, its amps that you want to pay attention to.
hdmi4ever's Avatar hdmi4ever
09:06 PM Liked: 12
post #101 of 20648
09-23-2006 | Posts: 1,469
Joined: Aug 2006
Quote:
Originally Posted by Buckeyefan View Post

Keep in mind, that meter is reading consumption, and not amplifier output.

No matter how efficient the amp is, it can't output more power than it takes in!
Kipp Jones's Avatar Kipp Jones
10:31 PM Liked: 12
post #102 of 20648
09-23-2006 | Posts: 11,792
Joined: Jan 2001
PB2+ owner here. Just upgraded my drivers to the 12.3, wow!!! If you have not upgraded, go for it....Art????????????

Here is my gear.
LL
DrPainMD's Avatar DrPainMD
12:09 AM Liked: 16
post #103 of 20648
09-24-2006 | Posts: 2,228
Joined: Nov 2004
the little trash can .... is that the pci model?
Kipp Jones's Avatar Kipp Jones
12:37 AM Liked: 12
post #104 of 20648
09-24-2006 | Posts: 11,792
Joined: Jan 2001
LOL, its for the fireplace ashes.
hdmi4ever's Avatar hdmi4ever
07:20 AM Liked: 12
post #105 of 20648
09-24-2006 | Posts: 1,469
Joined: Aug 2006
Upon further reading, it seems the low wattage used by your subwoofer (and receiver) at reference levels is probably accurate and is due to the exponential nature of sound. With sound, the power has an exponential relationship to the perceived volume, such that the difference between 2 watts and 20 watts is perceived as the same as 20 watts vs. 200 watts.

Maybe your system only has capacity for a 20% increase in perceived volume before you max it, but that last 20% would require a multiple of the power that you were using at reference levels.
DrPainMD's Avatar DrPainMD
07:39 AM Liked: 16
post #106 of 20648
09-24-2006 | Posts: 2,228
Joined: Nov 2004
Quote:
Originally Posted by Kipp Jones View Post

LOL, its for the fireplace ashes.

There's a store near me which sells fireplace equipment, and they have a sign outside and it says "We Kick Ash".
Pradeep's Avatar Pradeep
10:28 AM Liked: 10
post #107 of 20648
09-24-2006 | Posts: 498
Joined: Aug 2002
I was thinking more of a chunder bucket
tvsurfer's Avatar tvsurfer
11:45 AM Liked: 10
post #108 of 20648
09-24-2006 | Posts: 447
Joined: Sep 2006
I probably could have turned it up louder, but it was already rattling the walls. The 20x14 room gave out before the sub (corner loaded) so maybe I wasn't maxing it out as I thought, explaining the low consumption. I just bought a kill-a-watt of my own from ebay so now I can test at my own pace.
ransac's Avatar ransac
12:14 PM Liked: 34
post #109 of 20648
09-24-2006 | Posts: 4,631
Joined: Feb 2006
What you are reading is the RMS wattage use. Since an audio signal, especially to a sub, is more not there than it is there, your average power useage is very low. If you want to see how much it can draw, run a 20Hz sine wave at full volume. Then you should see power consumption close to the full capability of the amp
ThomasV555's Avatar ThomasV555
12:49 PM Liked: 10
post #110 of 20648
09-24-2006 | Posts: 983
Joined: Oct 2005
Quote:
Originally Posted by Kipp Jones View Post

PB2+ owner here. Just upgraded my drivers to the 12.3, wow!!! If you have not upgraded, go for it....Art????????????

Here is my gear.

Kipp,
That sub blends in very nicely. No wires either, near-field well done.
Do you use it as an end-table for drinks and stuff?
billybob_jcv's Avatar billybob_jcv
01:07 PM Liked: 12
post #111 of 20648
09-24-2006 | Posts: 2,537
Joined: May 2005
Kipp, I noticed you have your center on the floor under your screen. How's the vocals from that set-up?
Kipp Jones's Avatar Kipp Jones
03:33 PM Liked: 12
post #112 of 20648
09-24-2006 | Posts: 11,792
Joined: Jan 2001
Quote:
Originally Posted by ThomasV555 View Post

Kipp,
That sub blends in very nicely. No wires either, near-field well done.
Do you use it as an end-table for drinks and stuff?

Thanks. My goal was an uncluttered appearance. I do not use it for anything other than a sub. It hides nice behind the couch considering its size.
Kipp Jones's Avatar Kipp Jones
03:35 PM Liked: 12
post #113 of 20648
09-24-2006 | Posts: 11,792
Joined: Jan 2001
Quote:
Originally Posted by billybob_jcv View Post

Kipp, I noticed you have your center on the floor under your screen. How's the vocals from that set-up?

Actually very well. That is a Klipsch RC-7. I actually plan on mounting it to the wall but have been too busy to get to that. Soon.
BTT917's Avatar BTT917
12:05 AM Liked: 10
post #114 of 20648
09-25-2006 | Posts: 689
Joined: Nov 2005
Quote:
Originally Posted by Kipp Jones View Post

Its not watts you want to be concerned about, its amps that you want to pay attention to.

Wouldn't they be directly related, as long as the comparisons are done at the same voltage?
ameyers's Avatar ameyers
01:11 PM Liked: 10
post #115 of 20648
09-25-2006 | Posts: 14
Joined: Jan 2006
Quote:
Originally Posted by Kipp Jones View Post

PB2+ owner here. Just upgraded my drivers to the 12.3, wow!!! If you have not upgraded, go for it....Art????????????

Here is my gear.

How does SVS handle the upgrade and how much is it? Thanks for the info!
jvgillow's Avatar jvgillow
01:18 PM Liked: 10
post #116 of 20648
09-25-2006 | Posts: 2,432
Joined: Jan 2005
It's $169 per woofer, and you have to switch out the drivers yourself. All you should need is a drill with a philips screwdriver bit, or even a hand screwdriver if you are very patient.
ransac's Avatar ransac
01:40 PM Liked: 34
post #117 of 20648
09-25-2006 | Posts: 4,631
Joined: Feb 2006
I don't know if they still do, but in the beginning, SVS even provided the bit.
ssabripo's Avatar ssabripo
01:41 PM Liked: 16
post #118 of 20648
09-25-2006 | Posts: 6,010
Joined: Feb 2004
Well ladies...it's official...the Ultra is gone!!





Ok, time to look into a replacement!!! will the following contenders please rise:





muahahahahhahahahahah







muahahahahhahahahahah










muahahahahhahahahahah










MUAHAHAHAHAHAHAHHAHAHAHHAHHA

ps- see that little nice SVS sign on the wall? person with the biggest bid gets it!! LOL
jvgillow's Avatar jvgillow
01:48 PM Liked: 10
post #119 of 20648
09-25-2006 | Posts: 2,432
Joined: Jan 2005
A dark shadow falls over Shervin's theater room as he laughs with diabolical insanity. The walls shake with fierce intensity as the SVS placard in the background falls to the ground.
ssabripo's Avatar ssabripo
01:53 PM Liked: 16
post #120 of 20648
09-25-2006 | Posts: 6,010
Joined: Feb 2004
Quote:
Originally Posted by jvgillow View Post

A dark shadow falls over Shervin's theater room as he laughs with diabolical insanity. The walls shake with fierce intensity as the SVS placard in the background falls to the ground.

"...run biatches, run!!!"
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