Official Power Sound Audio Subwoofer Thread - Page 626 - AVS | Home Theater Discussions And Reviews
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post #18751 of 18763 Old Yesterday, 12:06 PM
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Quote:
Originally Posted by Alan P View Post
ch1 = fl
ch2 = fr
ch3 = cc
ch4 = lfe
ch5 = sl
ch6 = sr
ch7 = sbl
ch8 = sbr


Thanks again, last? Am I supposed to run the mains with the sub when doing a sweep if so how is that possible when you can only pick one output?
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post #18752 of 18763 Old Yesterday, 12:20 PM
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^^ if you have speakers set to small which is recommended, running sweep on them will also include the sub(s).
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post #18753 of 18763 Old Yesterday, 01:02 PM
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Originally Posted by mnc View Post
I just calculated that I can order my second XS30se in fifteen weeks!
I have a better idea....Use Paypal credit and you can get the sub right away!!

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post #18754 of 18763 Old Yesterday, 01:34 PM
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Quote:
Originally Posted by tang7969 View Post
I have a better idea....Use Paypal credit and you can get the sub right away!!
That's actually how I'm paying for this one!
Mike Butny likes this.

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post #18755 of 18763 Old Yesterday, 02:15 PM
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Quote:
Originally Posted by pony9134 View Post
Thanks again, last? Am I supposed to run the mains with the sub when doing a sweep if so how is that possible when you can only pick one output?
Not very intuitive, but you choose the second output channel with the "Timing Reference Output" dropdown.

You want to measure FL+sub(s), FR+sub(s) and CC+sub(s)....never FR+FL+sub(s). The most important measurement (if your system is used mainly for movies) is the CC+sub(s).

As tvuong mentioned, as long as you have bass management engaged, all of these "+sub(s)" measurements only require you to output to one channel (FR, FL, CC).

AVR: Denon 4520ci, FL/R: Klipschorn, CC: Klipsch RC-64ii, SUR: Polk LS/FX x4, FH: Klipsch RB-51ii x2, SUB: PSA T-18 x2, DISP: Mitsubishi WD-73740, BluRay: PS3 & BDP-S5100, Remote: URC MX-700
--------------------------------------------------
Getting Started with REW
Audyssey 101
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post #18756 of 18763 Unread Yesterday, 04:52 PM
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Quote:
Originally Posted by tang7969 View Post
I have a better idea....Use Paypal credit and you can get the sub right away!!
Ha...I approve of this suggestion.


A: Marantz AV7702 | Emotiva XPA-5 | Martin Logan Theos | Martin Logan Motif X | PSA S3000i (x2)
V: Vizio P702UI-b3 | Ps3 | Roku 3 | AppleTV
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post #18757 of 18763 Unread Yesterday, 04:52 PM
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thanks Alan and tvuong, gonna give it another go tonight, when people post graphs on here, is it with front and center, or just sub, o
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post #18758 of 18763 Unread Yesterday, 05:39 PM
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Compression Sweep

Guys here's the compression sweep I started but had to stop cause I thought I was going to blow something up, I stopped at -20 I think. I might had the output to high when I started

I included 2nd graph (subs only) with Audy 3rd before Audy

The last graph is before and after Audy speakers, I don't see any improvements.

Is there a way to check your UMIK-1 to know if it's working properly, my speakers can't be this bad

My subs are looking a little better yes?
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Last edited by ahblaza; Yesterday at 06:13 PM.
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post #18759 of 18763 Unread Yesterday, 05:45 PM
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Well first off your speakers aren't bad. Your room is. You need treatments. Badly. Also need to move your mlp

And you also need to post your graphs properly. They are very hard to make comparisons so differently

When posting subs only the graph should only go to 300hz not to 20000hz

Also they have to be in 5db increments not 10
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post #18760 of 18763 Unread Yesterday, 05:56 PM
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Hey is it true that I can use the UMIK-1 with my iPad?

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post #18761 of 18763 Unread Yesterday, 06:11 PM
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Thanks Brian, I think I have two or three posted correctly.................







I think I need a radical re-setup
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post #18762 of 18763 Unread Yesterday, 07:38 PM
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^^ you also need to name your measurements. You will not remember if you just left them as the date/time stamps. As I mentioned before, concentrate on subs and/or center + subs in the 7-150hz region. Your speakers FR look good. On your compression sweeps, we need to know how much higher on your MV from one graph to another. You could name your measurements as -15MV, -10MV, etc...You mentioned you stopped at -20MV on sweeps, your FR on this sweep should be centered around 95dbs if measured with-3db FS in REW. Your highest sweep seems to be centered around 105-110db unless you run your subs 10db hotter or audyssey didnot set your subs level correctly.

Last edited by tvuong; Yesterday at 07:53 PM.
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post #18763 of 18763 Unread Today, 07:51 AM
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ahblaza, you're getting some nice extension there. I think, as Brian mentioned, it is time to add some room treatments.

I did that about a year ago - a few foam squares to start, and noticed a small difference. After treating it a bit more, it was a dramatic difference, really.

Head over to ATS, GIK Acoustics or Real Traps. You can make the treatments yourself (Owen Corning 703, for example, and a trip to home depot for lumber) or simply buy them, ready to go. Some can be expensive, but they are very, very worth it.

Don't discourage! You have some fantastic gear... just add some acoustic treatments

Yippee-ki-yay...
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