How to use delay to match slopes in your crossover alignment

Normally I would attempt to find the best phase slope match through filter slope choice, but in this case I didn't want to make any more changes to the magnitude relationship so I decided to finish it off with delay.
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I love to geek out about the physics of sound. This channel focuses on the growing opportunity for live sound engineers to improve their confidence and consistency through the understanding of the principles of sound system design and optimization. My goal is to make this channel upfront and honest about my success and failure, so you can learn from both.
I am always open to suggestions and feedback so please comment on this video or contact me through my site.

[@nathanlively]

Here's a link to the playlist for this series - ua-cam.com/play/PLsfnoBcHUm205ZXWyFW20Y2nxZop1j6As.html

[@TickleFingers]

Phenomenal! These videos totally helped me have an epiphany about this whole process. Thank you, thank you, thank you!!!!!!

[@nathanlively]

You are so welcome!

[@dnbhrdcr]

Amazing, thanks a lot for sharing this information. I think I'm ready to try and match my tapped horns with my br tops, wish me luck!

[@okaudiopro7613]

Amazing, thank you for sharing Nathan …you rock !!

[@nathanlively]

You rock!

[@FathomSoundProAudio]

That looks like some fun and handy software. First I’ve seen/heard of it. Thank you for mentioning the name. CrossLite+ (for others who may have missed it and are interested).
Any other similar programs out there? I don’t think REW can do all that this does. Maybe some of it.

[@nathanlively]

REW definitely has some great features for running simulations, but Crosslite is built by a loudspeaker designer so it's more focused on this purpose of studying and combining drivers.

[@sal9211]

Is this analyser stable & have you or the people you know used it? Also, since everything is therein, it means that one doesn't need a processor. Am I right?

[@nathanlively]

Hey S Al,
> Is this analyser stable
As far as I can tell, yes.
> have you or the people you know used it?
I have used it. I have two friends that have used it.
> one doesn't need a processor. Am I right?
For simulations, that's correct. It simulates a DSP so you can run tests and make all of your DSP decisions without taking more measurements, but then you'll still need a processor to actually do the real audio processing work.

[@sudd3660]

would it not be easier just to read off the crossover point, ca 100hz, then play back a 100hz tone and delay one or the other until you hear the loudest volume?

[@nathanlively]

Hi Sudd! Personally, I have found that that method does not work for me, but if it works for you, by all means, keep using it! :)
Here's a video I made about it - ua-cam.com/video/_KdMlCEblgE/v-deo.html

[@sudd3660]

@@nathanlively i am sure my method is not the best way, but a quick way with no tools other than a tone generator.
dont know why you mentioned "sub polarity inverted" on the website. its when the polarity is normal that the overlapping frequencies are supposed to be at the highest db.

[@FathomSoundProAudio]

@@sudd3660 not always. Normal polarity for one loudspeaker may have very different phase characteristics compared to the next loudspeaker at normal polarity. Each use case can be different. In some cases, reversing the polarity of one loudspeaker can help the user arrive to a closer overlapping phase trace with their other loudspeaker (and often times, some delay is necessary to add to one or the other loudspeaker to further help align their phase traces). As in many cases with audio scenarios, it depends.

[@sudd3660]

@@FathomSoundProAudio you misunderstand me, i am saying to listen for phase issues and volume, the solution to fix it might come as switching the phase or add delay.
either way you have to have the overlapping frequencies sum up, so the tone in the middle is loudest it can be.

[@ganesh7hillsstereo373]

Is this REW software ?

[@nathanlively]

ua-cam.com/video/EC5cILzxRUA/v-deo.html