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post #451 of 557 Old 02-07-2013, 06:58 AM
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hi guy,

audyssey xt from denon add my woofer (Rythmik FV15HP) distance to 3.06m using antimode 8033c but previous when audyssey xt without the antimode 8033c device my subwoofer distance is around 2.2m, so is it anything wrong with my setting during perform audyssey calibration?

Thanks
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post #452 of 557 Old 02-07-2013, 07:36 AM
 
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Originally Posted by squall12 View Post

hi guy,

audyssey xt from denon add my woofer (Rythmik FV15HP) distance to 3.06m using antimode 8033c but previous when audyssey xt without the antimode 8033c device my subwoofer distance is around 2.2m, so is it anything wrong with my setting during perform audyssey calibration?

Thanks

No. Due to internal computation/processing delays in the Anti-Mode, one needs to add about three feet to the distance setting. Reads like you're spot on to the DSPeaker recommendation.

Not sure if you're aware of this and if you are, ignore my next but one should run Anti-Mode first and then run Audyssey, MultEQ XT. If this is what you did, without room analyzing capability, this is about as good as it gets.

(See pg. 8, "2.3. After Calibration")
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post #453 of 557 Old 02-07-2013, 09:02 AM
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Quote:
Originally Posted by BeeMan458 View Post

No. Due to internal computation/processing delays in the Anti-Mode, one needs to add about three feet to the distance setting. Reads like you're spot on to the DSPeaker recommendation.

Not sure if you're aware of this and if you are, ignore my next but one should run Anti-Mode first and then run Audyssey, MultEQ XT. If this is what you did, without room analyzing capability, this is about as good as it gets.

(See pg. 8, "2.3. After Calibration")

Yes that what i did run antimode first, then calibrate Audyssey with antimode on.
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post #454 of 557 Old 02-07-2013, 09:43 AM
 
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Originally Posted by squall12 View Post

Yes that what i did run antimode first, then calibrate Audyssey with antimode on.

If not using a room analyzing program, with the exception of internal AVR settings (crossovers, distance, gain settings, et cetera) you're as good as it gets.
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post #455 of 557 Old 02-07-2013, 12:59 PM
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Just a quick post, hooked up the 8033 last night and gave it a listen today at normal volume. Liked what I heard. Will need to experiment more on the weekend. Watching The Dark Knight Rises, the bass is reined in, yet solid and forceful. The subsonic filters are engaged, which is good, because my budget subs don't go that low (and I dont what the Anti-Mode to try). Much better result than using SMS-1. With SMS-1, the bass seemed dead. (Again, no doubt due to my inexperience with EQs). One thing I will say, I won't listen to system without sub EQ anymore.
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post #456 of 557 Old 02-07-2013, 01:09 PM
 
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Originally Posted by Pres2play View Post

The subsonic filters are engaged, which is good, because my budget subs don't go that low (and I dont what the Anti-Mode to try).

Anti-Mode boosts are funny. If you hit either the +25, +35 or the + both, the lower end is raised but the mid-bass is considerably lowered as if there was some sort of sonic axis thing going on. As to the subsonic setting, that was a neutral in that there was so little measured change that I leave it on for nostalgic reasons; just because it's there and it does no measured harm and I'd feel as if I was missing out if it wasn't there. tongue.gif
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post #457 of 557 Old 02-07-2013, 03:32 PM
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Originally Posted by BeeMan458 View Post

If not using a room analyzing program, with the exception of internal AVR settings (crossovers, distance, gain settings, et cetera) you're as good as it gets.

ok Thanks
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post #458 of 557 Old 02-07-2013, 04:22 PM
 
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Originally Posted by squall12 View Post

ok Thanks

biggrin.gif

Hint, hint, you can download REW for free.

cool.gif

But the rest of it is going cost's ya.

tongue.gif

(Something to be considered.)
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post #459 of 557 Old 02-07-2013, 07:42 PM
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Quote:
Originally Posted by BeeMan458 View Post

biggrin.gif

Hint, hint, you can download REW for free.

cool.gif

But the rest of it is going cost's ya.

tongue.gif

(Something to be considered.)

ok thanks
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post #460 of 557 Old 02-08-2013, 08:04 AM
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Originally Posted by BeeMan458 View Post

If not using a room analyzing program, with the exception of internal AVR settings (crossovers, distance, gain settings, et cetera) you're as good as it gets.
if your avr does all that , why do you need rew
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post #461 of 557 Old 02-08-2013, 08:06 AM
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Originally Posted by tlb48 View Post

if your avr does all that , why do you need rew

Because even if your avr does all that, you can optimize things further by analyzing your room response and addressing it with physical changes such as speaker positioning and room treatments.

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^^^ What he said.
Quote:
Originally Posted by tlb48 View Post

if your avr does all that , why do you need rew

So one can physically see the changes taking place. Our ears have not evolved to deal with the nuances of subwoofer created content in an enclosed space and without the aid of a room analyzing program, one will "NEVER" be able to get the best out of their subwoofer system. Parametric settings allow one to effect changes. REW allows one to physically see the changes, changing parametric settings create in a room's acoustics.

This is a measurement graph made on 24Jan13 and next to it is a graph made on 26Jan13:

.....

Without aid of REW, I wouldn't have been able to make the necessary changes to effect the correction.

Just for giggles, here's a superimposed before and after graph; the purple line is the before graph created 28Jan13 and the red line is the after graph, created 29Jan13.



The upper graphs are on a 10dB scale and the lower graph is on a 5dB scale and one should look at the graphs as a work in progress. biggrin.gif

It's way cool to be able to make small parametric changes and "IMMEDIATELY" see the impact these changes have on a room's acoustical measurements.

.
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post #463 of 557 Old 02-08-2013, 12:38 PM
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Quote:
Originally Posted by BeeMan458 View Post

Anti-Mode boosts are funny. If you hit either the +25, +35 or the + both, the lower end is raised but the mid-bass is considerably lowered as if there was some sort of sonic axis thing going on. As to the subsonic setting, that was a neutral in that there was so little measured change that I leave it on for nostalgic reasons; just because it's there and it does no measured harm and I'd feel as if I was missing out if it wasn't there. tongue.gif

Yeah, I wouldn't try engaging the lifts if that meant losing mid-bass. What happens if you deactivate the subsonic filters with the Lifts still engaged. (Or can you?) Wouldn't that be the real harm?
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post #464 of 557 Old 02-08-2013, 12:44 PM
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I'm going to order the Berhinger EC8000 Mic tonight. I'll have to do it on line, the music stores in my area don't carry it. Which preamp is best, again?
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post #465 of 557 Old 02-08-2013, 12:47 PM
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I'm not trying to shill or anything here, but Cross Spectrum Labs will sell you a USB measurement mic along with a set of calibration files for about a hundred bucks shipped. No extra hardware required if you have a laptop computer.

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post #466 of 557 Old 02-08-2013, 12:56 PM
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Quote:
Originally Posted by Pres2play View Post

Just a quick post, hooked up the 8033 last night and gave it a listen today at normal volume. Liked what I heard. Will need to experiment more on the weekend. Watching The Dark Knight Rises, the bass is reined in, yet solid and forceful. The subsonic filters are engaged, which is good, because my budget subs don't go that low (and I dont what the Anti-Mode to try). Much better result than using SMS-1. With SMS-1, the bass seemed dead. (Again, no doubt due to my inexperience with EQs). One thing I will say, I won't listen to system without sub EQ anymore.

By "reined-in" I mean less room resonance, not less bass.

I think it's time to upgrade the sub. I want something that can go down to 20 Hz with lots of muscle, but isn't huge. Doesn't have to be pretty either, because it will be hidden. Two grand or less. Any suggestions?
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post #467 of 557 Old 02-08-2013, 12:57 PM
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Quote:
Originally Posted by JD in NJ View Post

I'm not trying to shill or anything here, but Cross Spectrum Labs will sell you a USB measurement mic along with a set of calibration files for about a hundred bucks shipped. No extra hardware required if you have a laptop computer.

JD, thanks. Way cool.
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post #468 of 557 Old 02-08-2013, 12:58 PM
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Quote:
Originally Posted by JD in NJ View Post

I'm not trying to shill or anything here, but Cross Spectrum Labs will sell you a USB measurement mic along with a set of calibration files for about a hundred bucks shipped. No extra hardware required if you have a laptop computer.

Wait a second, I don't need a preamp for this phantom power thing???
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Nope, nothing extra needed. I got mine in the mail this week. It's a straightforward USB connection directly to your computer. Load up REW and go.

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post #470 of 557 Old 02-08-2013, 01:06 PM
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Originally Posted by JD in NJ View Post

Nope, nothing extra needed. I got mine in the mail this week. It's a straightforward USB connection directly to your computer. Load up REW and go.

Beautiful, man. So glad to hear that.
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There's also a great big thread along with an associated tutorial over in audio theory setup and chat. It's worth looking through if you are going to get into measurement.

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Originally Posted by JD in NJ View Post

Nope, nothing extra needed. I got mine in the mail this week. It's a straightforward USB connection directly to your computer. Load up REW and go.

Which model?
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post #473 of 557 Old 02-08-2013, 01:13 PM
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Originally Posted by JD in NJ View Post

There's also a great big thread along with an associated tutorial over in audio theory setup and chat. It's worth looking through if you are going to get into measurement.

I will definitely check it out.
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Which model?

Dayton Audio UMM-6
http://cross-spectrum.com/measurement/calibrated_umm6.html

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Quote:
Originally Posted by BeeMan458 View Post

^^^ What he said.
So one can physically see the changes taking place. Our ears have not evolved to deal with the nuances of subwoofer created content in an enclosed space and without the aid of a room analyzing program, one will "NEVER" be able to get the best out of their subwoofer system. Parametric settings allow one to effect changes. REW allows one to physically see the changes, changing parametric settings create in a room's acoustics.

This is a measurement graph made on 24Jan13 and next to it is a graph made on 26Jan13:

.....

Without aid of REW, I wouldn't have been able to make the necessary changes to effect the correction.

Just for giggles, here's a superimposed before and after graph; the purple line is the before graph created 28Jan13 and the red line is the after graph, created 29Jan13.



The upper graphs are on a 10dB scale and the lower graph is on a 5dB scale and one should look at the graphs as a work in progress. biggrin.gif

It's way cool to be able to make small parametric changes and "IMMEDIATELY" see the impact these changes have on a room's acoustical measurements.

.

How are you making changes, besides Anti-Mode? AVR, outboard EQ?
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Originally Posted by JD in NJ View Post

Dayton Audio UMM-6
http://cross-spectrum.com/measurement/calibrated_umm6.html

Yeah, thanks.
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Originally Posted by Pres2play View Post

Yeah, I wouldn't try engaging the lifts if that meant losing mid-bass. What happens if you deactivate the subsonic filters with the Lifts still engaged. (Or can you?) Wouldn't that be the real harm?

You have to pick one. +25dB, +35dB, both or subsonic.
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Quote:
Originally Posted by Pres2play View Post

How are you making changes, besides Anti-Mode? AVR, outboard EQ?

Sub placement, sub based parametric settings (volume, frequency limit or High Pass filter, continuous phase control) plus internal AVR menu settings, including distance and individual speakers gain settings.

First things first, I try to get the measured best out of these settings with both Audyssey and Anti-Mode set to neutral. After getting the best I can, then I run Anti-Mode with Audyssey run second. After both EQ programs have been run, I change final speaker settings internally, using the AVR provided pink noise and a sound meter.

Currently I'm exploring the addition of a MiniDSP into the sonic stream but first I have more playing to do with parametric settings, Anti-Mode and Audyssey and then I'll decide if the addition of a MiniDSP is in order.

(How far do I want to drill down before being happy.)

-
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HOW do you set the SUBSONIC filter on the AntiMode 8033Cinema? Thanks.

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HOW do you set the SUBSONIC filter on the AntiMode 8033Cinema? Thanks.

http://www.dspeaker.com/fileadmin/datasheets/dspeaker/antimode8033Cinemaen.pdf

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