Official Power Sound Audio Subwoofer Thread - Page 604 - AVS | Home Theater Discussions And Reviews
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post #18091 of 18100 Old Yesterday, 03:15 PM
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Quote:
Originally Posted by Alan P View Post
To properly time-align multiple subs with the MiniDSP, all you need is a tape measure and a calculator.

Measure the the distance from MLP to furthest sub, measure the distance from MLP to closest sub. Calculate the difference (sub1 is 15', sub 2 is 5', difference = 10'). Use MiniDSP to add 10' of delay to closer sub.

This will get you in the ballpark, you can fine tune while measuring with REW for the smoothest response.

After you get the subs time-aligned with each other, you then run Audyssey (or whatever auto-EQ you have) then perform the sub distance tweak to get the sub "system" in-phase with the CC/main speakers.
Do you need to time align the subs if they are equidistant from the MLP?

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post #18092 of 18100 Old Yesterday, 03:15 PM
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There's a whole lot of posts on here about the Antimode:

https://www.google.com/webhp?sourcei...w.avsforum.com

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
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Getting Started with REW
Audyssey 101
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post #18093 of 18100 Old Yesterday, 03:16 PM
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Quote:
Originally Posted by jhughy2010 View Post
Do you need to time align the subs if they are equidistant from the MLP?
If they are identical, no.

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
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Getting Started with REW
Audyssey 101
Audyssey FAQ
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post #18094 of 18100 Old Yesterday, 03:20 PM
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Originally Posted by Hopinater View Post
I have read in some threads that some people who got Antimode ended up disconnecting it because they felt like it neutered the sub. Has anyone used it at all? I'm curious to hear their thoughts.
Not exactly the same, but I introduced a SVS EQ1 into my system a week or so ago and it definitely smoothed out the FR. No overpowering slam anymore.
Sounds are "cleaner" (for lack of a better word), but I did feel like it tamed a tad too much my XS30se.

Maybe I was just used to not so clean bass?... Nevertheless, adding another one should make things better.

Yippee-ki-yay...
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post #18095 of 18100 Old Yesterday, 03:50 PM
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Have you measured your response with the EQ1 Cesar?

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
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post #18096 of 18100 Old Yesterday, 04:11 PM
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Quote:
Originally Posted by Tom Vodhanel View Post
Here is the electrical of our "Room Size" control.

The top curve(virtually flat) is the control set to LARGE.

The bottom curve(with the greatest attenuation) is the control set to SMALL.

Everything in-between is everything in-between on the dial..

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Oh wow I didn't realize it started so high. I thought it only affected around 30Hz and under. I think I'm going to try Audyssey again with it set to Large. Doesn't make any sense why I would have deeper, more powerful bass when setting it ti Small.

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post #18097 of 18100 Old Yesterday, 04:45 PM
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Well I've got my V1500s setup using XT32. Haven't really had a chance to really check these out but my based on my initial listening is deep, clean bass. I tried various locations from mid-side walls to corner placement but finally wound up with front stage. Seemed the best there but I'm sure I will tinker some more.

Very impressive subs Tom!
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post #18098 of 18100 Old Today, 07:57 AM
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Quote:
Originally Posted by Alan P View Post
Have you measured your response with the EQ1 Cesar?
Yes, I did. I have a mac at home but used my work computer over the weekend to set it all up. Didn't have a chance to actually save the graphs, but I believe I ran the whole calibration process three times, and ended up running my sub hot with the last one.
Didn't have that much time, but remember using REW and being very satisfied with my graph - but my ears didn't like it that much. Hence, my thought about me getting used to "clean" bass?

Who knows, man. I am, indeed, enjoying the system a lot more. And when I add a second sub (and going through those shenanigans again), I'm sure it'll improve things. I want to know what everybody talks about with duals and stuff...

Yippee-ki-yay...
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post #18099 of 18100 Old Today, 08:12 AM
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^^^

When you implemented the EQ1, did your overall SPL from the sub drop?

With a flat response, most folks like to bump up the sub trim a few db to bring the whole bottom end back up, essentially creating a "house curve".

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
Audyssey FAQ
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post #18100 of 18100 Old Today, 10:30 AM
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This is going to make for a nice little work desk sub



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Reply Subwoofers, Bass, and Transducers

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Xs30 , Velodyne Sms 1 In Room Bass Correction Kit With Included Microphone , Denon Avr 3313ci Receiver , Denon Avr 4520ci Receiver , Power Sound Audio , Xv15 , Power Sound Audio Triax , Room Equilizer Wizard Rew , Denon Avr X4000 7 2 Channel Home Theater Receiver
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