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Search: Posts Made By: AustinJerry
Forum: DIY Speakers and Subs   06-02-2015, 07:16 PM
Replies: 3,048
  MiniDSP
Views: 188,258
Posted By AustinJerry
Not sure I understand the question. My 2x4 is...

Not sure I understand the question. My 2x4 is switchable, either .9V or 2V. The procedure was written for a .9V setting.
Forum: Audio Theory, Setup, and Chat   06-02-2015, 06:53 PM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
You forget that the CSL calibration file does not...

You forget that the CSL calibration file does not contain the sensitivity parameter, which must be downloaded separately from the MiniDSP web site and inserted manually into the calibration file.
...
Forum: Audio Theory, Setup, and Chat   06-02-2015, 06:45 PM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
I am not obsessing about what is a minor dip.

I am not obsessing about what is a minor dip.
Forum: Receivers, Amps, and Processors   06-02-2015, 05:57 PM
Replies: 4,490
Views: 123,256
Posted By AustinJerry
Don't know. I am using balanced connections, and...

Don't know. I am using balanced connections, and didn't find the Phoenix connectors that difficult, once I got the hang of using them. I am not concerned about looks--no one goes behind my...
Forum: Audio Theory, Setup, and Chat   06-02-2015, 05:55 PM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
You are correct, I am using Dirac Live. But if...

You are correct, I am using Dirac Live. But if Dirac doesn't correct it routinely, trying to fix it manually is not the best idea.
Forum: Receivers, Amps, and Processors   06-02-2015, 05:21 PM
Replies: 4,490
Views: 123,256
Posted By AustinJerry
I forget, what are you talking about? :confused:

I forget, what are you talking about? :confused:
Forum: Audio Theory, Setup, and Chat   06-02-2015, 05:19 PM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
I spent some time today working on the null I...

I spent some time today working on the null I reported earlier at around 250Hz. The problem was most pronounced with the center channel, so that is where I focused my attention. The theory was that...
Forum: Audio Theory, Setup, and Chat   06-02-2015, 05:12 PM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
Great stuff, Matt. Thanks for taking the time to...

Great stuff, Matt. Thanks for taking the time to share this!
Forum: Audio Theory, Setup, and Chat   06-02-2015, 05:10 PM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
The level of the measurement is only significant...

The level of the measurement is only significant in several types of measurements. For example, the waterfall should be 40dB above the noise floor. Otherwise, the level has no significant effect. ...
Forum: Audio Theory, Setup, and Chat   06-02-2015, 11:26 AM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
We are all using the same mic, the same software,...

We are all using the same mic, the same software, etc. so there should not be a big difference in our results. You should not have to turn down the mic gain in Windows. And you should be able to...
Forum: Receivers, Amps, and Processors   06-02-2015, 09:57 AM
Replies: 4,490
Views: 123,256
Posted By AustinJerry
IMO, these controls, like Denon's Dialog...

IMO, these controls, like Denon's Dialog Enhancement, simply mask an underlying problem that needs to be addressed. As you and I have both commented, Dirac does a fabulous job with the center...
Forum: Audio Theory, Setup, and Chat   06-02-2015, 09:53 AM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
I assume you are using a mic that has a...

I assume you are using a mic that has a sensitivity parameter and doesn't need manual calibration. Follow these steps:

1. Set REW output to L+R+Subs, and AVR to Stereo.
2. Set up the mic at...
Forum: Receivers, Amps, and Processors   06-02-2015, 09:47 AM
Replies: 108
Views: 7,007
Posted By AustinJerry
I happen to be doing some measurements with REW...

I happen to be doing some measurements with REW this morning and ran this test: I output the speaker level-setting test tones from my AVR, generated the subwoofer test tone, and measured it at ~75dB...
Forum: Audio Theory, Setup, and Chat   06-02-2015, 09:03 AM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
Yes, Jim trained me well! ;)

Yes, Jim trained me well! ;)
Forum: Audio Theory, Setup, and Chat   06-02-2015, 09:02 AM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
My overall comment would be that you are taking...

My overall comment would be that you are taking the measurements at too low a level. Of course the distortion looks good, because distortion increases as SPL increases, and your measurements are so...
Forum: Audio Theory, Setup, and Chat   06-02-2015, 08:50 AM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
Thanks, Jim and 3ll3d00d for your input. I have...

Thanks, Jim and 3ll3d00d for your input. I have a link to an SBIR calculator, so I plugged in my measurements with the following results:

Center speaker:
...
Forum: Audio Theory, Setup, and Chat   06-01-2015, 08:44 PM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
Matt, I respect you for your depth of knowledge,...

Matt, I respect you for your depth of knowledge, and appreciate your feedback, but TBH I have read your response several times and cannot comprehend what you are saying. I mean no disrespect. ...
Forum: Receivers, Amps, and Processors   06-01-2015, 08:38 PM
Replies: 75,851
Views: 6,352,898
Posted By AustinJerry
Pretty simple answer, if you think about it. It...

Pretty simple answer, if you think about it. It would be impossible to place the microphone back in exactly the same spots that the measurements were taken. Since results can vary significantly,...
Forum: Audio Theory, Setup, and Chat   06-01-2015, 12:06 PM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
Thank you for the suggestions, Jim.

Thank you for the suggestions, Jim.
Forum: Audio Theory, Setup, and Chat   06-01-2015, 11:21 AM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
I think what frustrates me the most, Jim, is...

I think what frustrates me the most, Jim, is hearing someone say that my system probably sounds like crap, and then not getting an offer to help me identify and resolve the issues. I know that if it...
Forum: Receivers, Amps, and Processors   06-01-2015, 11:11 AM
Replies: 4,490
Views: 123,256
Posted By AustinJerry
You have misunderstood something. As long as you...

You have misunderstood something. As long as you use the "Custom Configuration" option in Dirac Live, there is no 10dB bass boost with any AVR. If you use the "7.1 Configuration" or the "5.1...
Forum: Audio Theory, Setup, and Chat   06-01-2015, 11:08 AM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
https://dl.dropboxusercontent.com/u/78476446/AVS%2...

https://dl.dropboxusercontent.com/u/78476446/AVS%20posts/DDRC-88A/Results%205-11/Freq%20Sweeps.mdat
Forum: Receivers, Amps, and Processors   06-01-2015, 09:04 AM
Replies: 108
Views: 7,007
Posted By AustinJerry
I don't think I am completely understanding what...

I don't think I am completely understanding what your situation is.

All I was trying to convey with my original response is that after a Dirac calibration completes, I expect the levels of all my...
Forum: Audio Theory, Setup, and Chat   06-01-2015, 07:54 AM
Replies: 14,980
Views: 465,079
Posted By AustinJerry
I appreciate your responses, but I am no closer...

I appreciate your responses, but I am no closer to understanding my measurements, or envisioning an action plan. Please comment on these questions:

- Is the GD in my measurements bad enough that...
Forum: Receivers, Amps, and Processors   06-01-2015, 07:18 AM
Replies: 108
Views: 7,007
Posted By AustinJerry
Yes, Jeff, there are several. Is this discussion...

Yes, Jeff, there are several. Is this discussion in the wrong thread?
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