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Nemo--Darla Scene--Subwoofer Test - Page 8

post #211 of 274
4/1/07 at 4:53pm
Kinda hard to do 1m when you have four subwoofers...

His website needs updating too; still says four PB-12+/2 subs.
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post #212 of 274
8/5/07 at 8:28am
Thread Starter 
BUMP....i'd like to see some PC-ULTRA owners run this test...
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post #213 of 274
11/2/07 at 10:19am
For doing these tests, how do you turn off your mains?

I have a denon 2807 and it would seem I can only turn off sub center and surrounds.

Do you guys actually unwire the mains for these tests?
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post #214 of 274
11/4/07 at 12:43am
Quote:
Originally Posted by jedi.night View Post

For doing these tests, how do you turn off your mains?

I have a denon 2807 and it would seem I can only turn off sub center and surrounds.

Do you guys actually unwire the mains for these tests?

My Pioneer has a button that says 'Speakers' and it toggles them being on or off.
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post #215 of 274
11/4/07 at 10:40am
Quote:
Originally Posted by jedi.night View Post

For doing these tests, how do you turn off your mains?

I have a denon 2807 and it would seem I can only turn off sub center and surrounds.

Do you guys actually unwire the mains for these tests?

That does not surprise me. My Denon also has no way to turn off the front left and right channels. Disconnection is the only way to do that. Boo to Denon for overlooking such a simple thing.
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post #216 of 274
11/4/07 at 11:08am
they should have a button on the remote that says "darla test" that turns all the speakers off except for the sub

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post #217 of 274
11/4/07 at 1:12pm
Quote:
Originally Posted by avr5700 View Post

That does not surprise me. My Denon also has no way to turn off the front left and right channels. Disconnection is the only way to do that. Boo to Denon for overlooking such a simple thing.

Ok, I thought I was going nuts looking for a button or something in the menu but couldn't find anything...


Does it really matter if the mains are on for doing this test? especially if they are only bookshelves...I'm sure the High DB's during these scenes are coming mainly from the subs.
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post #218 of 274
11/28/07 at 11:11am
I just replayed this again, and my son and I couldn't help but laugh.OMG. Thats all I can say. We must have replayed it a dozen times.I can just imagine how many subs crapped out during this scene!!

KG
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post #219 of 274
2/19/08 at 10:37am
Thread Starter 
BUMP....can we get some new readings from members who own:

SVS Ultra 13's?
Conquest
Castle
Tower
MFW15

ect...
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post #220 of 274
2/19/08 at 2:34pm
Hey Brad,

I am building 4 18 inch sonosubs tuned to 12.9 hz. I will retest all these scenes. I bet the only ones that will get better are the lower tuned scenes, like pulse and some scenes in WOTW.
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post #221 of 274
2/19/08 at 3:08pm
Thread Starter 
WOW....that is going to be INSANE!
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post #222 of 274
2/19/08 at 3:33pm
MK, you are going to hurt yourself yet!
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post #223 of 274
2/19/08 at 3:38pm
I usually watch movies with the volume set at -8, with my Galaxy CM-140 spl I got peaks of 129.7db at listening position with this scene.
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post #224 of 274
2/19/08 at 6:09pm
Here's my PB13-Ultra's readings:

VSX-1015TX receiver
Digital SPL meter Max C weighted fast
Volume setting=-14 dB
Sub is set a 0.0 dB in receiver calibrated to 70 (uncorrected) dB
Gain=11 o'clock position
Listening Position =98dB
1m=110dB
15 Hz tune

Gawd this shakes the house man!!!!

4043 cu ft (opens into large kitchen as well)
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post #225 of 274
2/19/08 at 6:10pm
VSX-1015TX receiver
Digital SPL meter Max C weighted fast
Volume setting=-10dB
Sub is set a 0.0 dB in receiver calibrated to 70 (uncorrected) dB
Gain=11 o'clock position
Listening Position =104dB
1m=115dB
15 Hz tune

Doing this is giving me a headache. I'll stop here. That's some serious slam!

I will try 20 Hz tune to see if I can get higher dBs tomorrow.
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post #226 of 274
2/19/08 at 6:48pm
Thread Starter 
Quote:
Originally Posted by croseiv View Post

VSX-1015TX receiver
Digital SPL meter Max C weighted fast
Volume setting=-10dB
Sub is set a 0.0 dB in receiver calibrated to 70 (uncorrected) dB
Gain=11 o'clock position
Listening Position =104dB
1m=115dB
15 Hz tune

Doing this is giving me a headache. I'll stop here. That's some serious slam!

I will try 20 Hz tune to see if I can get higher dBs tomorrow.

HOLY COW....my room is HALF that volume.....

I wonder what a PB-13 would sound like in my space!
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post #227 of 274
2/19/08 at 7:02pm
Quote:
Originally Posted by bgillyjcu View Post

HOLY COW....my room is HALF that volume.....

I wonder what a PB-13 would sound like in my space!

Put it this way, for the second set of readings I was in front of the sub behind the SPL meter and I could feel the wind blowing (the sub pushes some serious air)!

I felt like I was getting seriously pounded.
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post #228 of 274
2/19/08 at 7:12pm
Thread Starter 
Well my listening position is about 3-4 feet away from the sub. I sit on the couch and the sub is in the corner right next to the couch.

I wonder if I could push 115db from my LP with a single corner loaded Ultra...

Oh boy...
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post #229 of 274
2/19/08 at 7:24pm
Quote:
Originally Posted by bgillyjcu View Post

Well my listening position is about 3-4 feet away from the sub. I sit on the couch and the sub is in the corner right next to the couch.

I wonder if I could push 115db from my LP with a single corner loaded Ultra...

Oh boy...

Yes, you could.
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post #230 of 274
2/19/08 at 7:30pm
Quote:
Originally Posted by bgillyjcu View Post

I wonder if I could push 115db from my LP with a single corner loaded Ultra...

Oh boy...

Without a doubt.
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post #231 of 274
2/19/08 at 7:35pm
At 3 -4 feet away in a smallish room, 120+ is very do-able.
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post #232 of 274
2/19/08 at 10:02pm
Be careful guys. At my last subwoofer meet we were pushing 128db @LP on Pulse and I could feel my ears getting "plugged" like being up at 30,000'. Bass SPL can be deceptive and can still hurt your ears.
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post #233 of 274
2/19/08 at 10:32pm
Quote:
Originally Posted by Jesse S View Post

Be careful guys. At my last subwoofer meet we were pushing 128db @LP on Pulse and I could feel my ears getting "plugged" like being up at 30,000'. Bass SPL can be deceptive and can still hurt your ears.


Reading through these insane posts I can only determine that the majority of you guys probably sufferd already some ear-damage over the years
That probably the reason why you play so loud ?

I play movies through my Onkyo 875 and DefTech ProMonitors just at about -15dB before I feel that its not relaxed anymore...
This beeing in 8000+ cubic feet space altough the "listening corner" in this large space is about 5meters x 4.5meters x 2.5meters.
I'm slight more then 10 feet away from my DefTechs and 8 feet from the PB13
My large living room is not acoustically treathed in any way so quite "reflective"

I have 1 x PB13 and I cannot imagine ever needing more then one...
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post #234 of 274
2/20/08 at 3:59am
Quote:
Originally Posted by jvanhambelgium View Post

Reading through these insane posts I can only determine that the majority of you guys probably sufferd already some ear-damage over the years
That probably the reason why you play so loud ?

I play movies through my Onkyo 875 and DefTech ProMonitors just at about -15dB before I feel that its not relaxed anymore...
This beeing in 8000+ cubic feet space altough the "listening corner" in this large space is about 5meters x 4.5meters x 2.5meters.
I'm slight more then 10 feet away from my DefTechs and 8 feet from the PB13
My large living room is not acoustically treathed in any way so quite "reflective"

I have 1 x PB13 and I cannot imagine ever needing more then one...


I think you are sort of missing the point here. These are brief "tests". Not normal listening. It is to see what the sub can do.
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post #235 of 274
2/20/08 at 6:57am
Mojomike,
I run these test to see what the subs can do, I usually calibrate flat to hit reference levels. My bass peaks are usually between 120-122 db's. When I build the sonosubs I will also sell the subs I already have, not add to them. During WOTW I hit 126 db's one time and it plugged my ears, so I know this is the limit, besides my SPL can't read higher than that. I want headroom and little distortion.
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post #236 of 274
2/20/08 at 7:09am
MK, basically I was just kidding with you. I wasn't aware, though, that you were going to get rid of your horns.
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post #237 of 274
2/20/08 at 7:27am
I just don't have the horns running right now, I also have 2 dual 18's as well. I moved the subs behind the screen and actually needed more to reach reference levels. (that location is much harder to pressurize the room and it is 3x times farther away). I will be selling all of them. They have served me well, I could not believe how well for pro audio subs. 120 db's at 20 hz. But then they dropped off to 112 db's at 15 hz and 100 db's at 5 hz. I am building the sono's to bring the 11-20 hz up to 125 db's so I know at 120 db's(reference levels when all speakers are summed into the lfe) has headroom.
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post #238 of 274
2/20/08 at 7:50am
Thread Starter 
Your name should be "MK I have the Theater you all wish you had".

If I only had the $$$$
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post #239 of 274
2/20/08 at 9:10am
Quote:
Originally Posted by bgillyjcu View Post

Your name should be "MK I have the Theater you all wish you had".

If I only had the $$$$

LOL...

P.S


bgillycu, your " CLICK ON ME---Help me upgrade to Blu Ray" link in your sig doesnt work right.
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post #240 of 274
2/20/08 at 10:16am
Thread Starter 
Quote:
Originally Posted by DrPainMD View Post

LOL...

P.S


bgillycu, your " CLICK ON ME---Help me upgrade to Blu Ray" link in your sig doesnt work right.


Thanks for the heads up...i'll fix it tonight!
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