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altoncustomtech

Time alignment tutorial

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I thought I’d share this here. The writer goes through great length to explain the why’s and how’s of time alignment in a stereo system. He explains comb filtering, phase issues and alignment, crossover settings and so forth. Plus he does it in a manner that pretty much anyone with just a little bit of background or experience on the subject can understand. 

 

http://www.audiofrog.com/community/tech-tips/time-alignment-part-one/

http://www.audiofrog.com/community/tech-tips/time-alignment-part-2/

http://www.audiofrog.com/community/tech-tips/time-alignment-part-three-delays-and-crossovers-for-tweeters-and-mids/

http://www.audiofrog.com/community/tech-tips/time-alignment-part-4-getting-the-bass-right/

http://www.audiofrog.com/community/tech-tips/time-alignment-part-5-putting-it-all-together/

 

Please forgive me if I’m wrong to link out to another manufacturer’s website forum. If so I will go through the trouble of copy/pasting the content. 

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Your intentions are 100 percent in the right place so my vote would be its fine. Thanks Alton.

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2 hours ago, Infinite913 said:

Your intentions are 100 percent in the right place so my vote would be its fine. Thanks Alton.

Thank you sir.  I’ve read through it a few times and I think it’s great info for getting started tuning an active system with a DSP. As is stated in the tutorial there’s more to do after finishing these steps but this seems to lay a very solid foundation to work from. 

Edited by altoncustomtech

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That's Andy Wehmeyer in those tutorials

... he was with Harmon ( JBL ) before

teaming up with Garry Biggs ...

the Audiofrog subs are unreal for sq

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Excellent Read. 

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Bump for more thoughts and opinions...

 

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Thanks for the post.

I'll take my time to read all.

 

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Awesomely cool technical read Alton. Always neat to see measurements along with an explanation, such as the graghs showing the reflections along side the signal. Also the graphs showing where an x-over point ends up once one source is boosted from another. Makes sense of why what would seem like a separated x-over point and slope can blend better than what one would think. lol

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No automatic alt text available.No automatic alt text available.No automatic alt text available.

This was the other point made I found interesting. I don't believe he mentioned tweeter polarity anywhere though, except in regards to phase shift with crossover slopes.

I am in the process of installing a new DSP (h800), So was a perfect time to read this. I will give his approach a try! 

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On 11/14/2017 at 10:55 AM, j-roadtatts said:

Awesomely cool technical read Alton. Always neat to see measurements along with an explanation, such as the graghs showing the reflections along side the signal. Also the graphs showing where an x-over point ends up once one source is boosted from another. Makes sense of why what would seem like a separated x-over point and slope can blend better than what one would think. lol

Definitely!!  That’s why I posted them all up, it is great information for the inexperienced and the experienced alike. 

4 hours ago, j-roadtatts said:

No automatic alt text available.No automatic alt text available.No automatic alt text available.

This was the other point made I found interesting. I don't believe he mentioned tweeter polarity anywhere though, except in regards to crossover slopes.

I am in the process of installing a new DSP (h800), So was a perfect time to read this. I will give his approach a try! 

I can’t wait to hear how that goes!

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