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Forum: Receivers, Amps, and Processors   04-22-2017, 08:43 PM
Replies: 13,122
Views: 392,239
Posted By AustinJerry
Other than the sub delays, the other delays are...

Other than the sub delays, the other delays are consistent, as per the attachment that shows differences among the mains. I have attached the results from the last two calibrations I did, which...
Forum: Receivers, Amps, and Processors   04-22-2017, 07:14 PM
Replies: 13,122
Views: 392,239
Posted By AustinJerry
Please take screen shots from the 88BM Utility...

Please take screen shots from the 88BM Utility program that show the Dirac delays for several of the calibrations demonstrating the different results for the sub channel.

Also, are you by chance...
Forum: Receivers, Amps, and Processors   04-22-2017, 05:18 PM
Replies: 13,122
Views: 392,239
Posted By AustinJerry
Not sure I understand. If you have more than one...

Not sure I understand. If you have more than one sub, then the 2x4 should be providing the time-alignment between the subs. Dirac sees the combined sub signal and sets the delay for the sub...
Forum: Video Processors   04-22-2017, 05:13 PM
Replies: 9,488
Views: 779,342
Posted By AustinJerry
I agree. My Darblet occasionally resets itself...

I agree. My Darblet occasionally resets itself to factory defaults, which requires me to restore the desired settings. A PITA that I hope goes away with a new unit.
Forum: Receivers, Amps, and Processors   04-22-2017, 03:20 PM
Replies: 344
Views: 18,184
Posted By AustinJerry
This has been discussed ad nauseam in the...

This has been discussed ad nauseam in the Audyssey thread. You probably would need to go back several years in that massive thread. Essentially what is happening is that Audyssey measures each...
Forum: Video Processors   04-22-2017, 03:13 PM
Replies: 9,488
Views: 779,342
Posted By AustinJerry
Do you guys frequently change the Darblet...

Do you guys frequently change the Darblet settings? On my two units, I set it and forget it. As long as the front panel controls still work, I could limp along until the new Darblet becomes...
Forum: Receivers, Amps, and Processors   04-22-2017, 01:22 PM
Replies: 344
Views: 18,184
Posted By AustinJerry
The document represents the collective thoughts...

The document represents the collective thoughts of a number of knowledgeable people familiar with Audyssey and subwoofers. Of course, the phase relationship between subs and mains is complicated. ...
Forum: Receivers, Amps, and Processors   04-22-2017, 10:05 AM
Replies: 344
Views: 18,184
Posted By AustinJerry
Exactly, the "Sub Distance Tweak" is a procedure...

Exactly, the "Sub Distance Tweak" is a procedure that optimizes the time alignment between the combined sub channel and the mains. It is documented here:
...
Forum: Audio Theory, Setup, and Chat   04-21-2017, 08:27 AM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
You didn't answer my question--how do you select...

You didn't answer my question--how do you select which speaker to sent the test tones to?
Forum: Audio Theory, Setup, and Chat   04-21-2017, 08:14 AM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
??? Using this setup, how do you select which...

??? Using this setup, how do you select which channel to output the test tone? For example, when using a HDMI connection, you would select HDMI3 to send a test tone to the center channel. How do...
Forum: Audio Theory, Setup, and Chat   04-21-2017, 08:10 AM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
First of all, if you don't have one, you should...

First of all, if you don't have one, you should get a longer USB cable for the mic to allow for more flexibility. You can use up to a 15' passive USB cable. And, of course, you need a long enough...
Forum: Audio Theory, Setup, and Chat   04-21-2017, 06:37 AM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
It doesn't make any difference for a typical...

It doesn't make any difference for a typical setup with all speakers in the ground plane. The point of an up or down orientation is that signals from all speakers in the ground plane "graze' the tip...
Forum: Receivers, Amps, and Processors   04-19-2017, 10:20 AM
Replies: 175
Views: 6,356
Posted By AustinJerry
Thanks. Now place your wife on the next plane to...

Thanks. Now place your wife on the next plane to Texas, please. ;)
Forum: Receivers, Amps, and Processors   04-19-2017, 09:24 AM
Replies: 175
Views: 6,356
Posted By AustinJerry
Thanks for sharing that link, Maikel. Having an...

Thanks for sharing that link, Maikel. Having an amp switcher that enables almost instantaneous A/B tests would seem to be the way to make the tests. Unfortunately, such switchers are not...
Forum: Audio Theory, Setup, and Chat   04-18-2017, 08:50 PM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
Another factor we haven't discussed is whether...

Another factor we haven't discussed is whether you expect the device you purchase to also provide additional DSP processing for the sub channel. I think that is where a device like the Xilica stands...
Forum: Audio Theory, Setup, and Chat   04-18-2017, 04:45 PM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
^ Sounds like a solid approach.

^ Sounds like a solid approach.
Forum: Audio Theory, Setup, and Chat   04-18-2017, 04:37 PM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
No, the AVR distance setting will not work. You...

No, the AVR distance setting will not work. You need to apply individual delays for each sub. Looks like the 2x4HD will be your best choice.

BTW, I used a one-position Audyssey calibration to...
Forum: Audio Theory, Setup, and Chat   04-18-2017, 04:12 PM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
Your subs are 32 feet apart? You must have quite...

Your subs are 32 feet apart? You must have quite a big listening room. How did you manage to time-align the subs?
Forum: Audio Theory, Setup, and Chat   04-18-2017, 02:15 PM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
I doubt the 96Khz means much for the sub channel....

I doubt the 96Khz means much for the sub channel. The 2x4HD is limited to 2v out, while the 2x4 balanced has switchable 2v or 4v. So you need to assess the voltage output that will be required by...
Forum: Audio Theory, Setup, and Chat   04-18-2017, 11:11 AM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
That is exactly the order I did it. I purchased...

That is exactly the order I did it. I purchased the 2x4, set it up, and made sure it was working properly before proceeding with the 88a implementation.
Forum: Audio Theory, Setup, and Chat   04-18-2017, 10:56 AM
Replies: 22,360
Views: 686,651
Posted By AustinJerry
Personally, I use the 2x4 balanced for four subs....

Personally, I use the 2x4 balanced for four subs. You may want to read the 2x4 implemention guide to get a better understanding of how to set it up. I also have the 88a, but it's primary function...
Forum: Receivers, Amps, and Processors   04-17-2017, 06:20 PM
Replies: 344
Views: 18,184
Posted By AustinJerry
Here is what I would like to see: 1. REW...

Here is what I would like to see:

1. REW in-room response curve for single MLP measurement.
2. A screen shot of the Audyssey correction curve from the app, showing areas requiring improvement....
Forum: Receivers, Amps, and Processors   04-17-2017, 04:20 PM
Replies: 344
Views: 18,184
Posted By AustinJerry
Why are you stopping at 360? There is some...

Why are you stopping at 360? There is some pretty choppy response above 360 that could benefit from some smoothing.
Forum: Receivers, Amps, and Processors   04-17-2017, 04:19 PM
Replies: 344
Views: 18,184
Posted By AustinJerry
Am I missing something? An Audyssey calibration...

Am I missing something? An Audyssey calibration is an Audyssey calibration--we have been dong these calibrations for years. I thought this new app has the capability of fine-tuning the calibration...
Forum: Receivers, Amps, and Processors   04-17-2017, 01:26 PM
Replies: 175
Views: 6,356
Posted By AustinJerry
I hear a number of people who are planning on...

I hear a number of people who are planning on comparing the ATI amps versus various other models. Yet no one has articulated an approach to testing. I replaced an XPA-7 with an AT527NC. I have...
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