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Phase Matching and Delay/Time Alignment Example Plots

For those that are not familiar with phase and delay/time alignment plots, here is a plot of a sub and a main with matching phase at a 250Hz XO, but different time alignments.

Again, the only difference between the multiple plot lines is the delay/time alignments which range from [0ms - 7.25ms].

For this configuration 6.1ms produced the flattest most consistent curve across the 250Hz XO region. It also produced the cleanest step, group delay and frequency SPL plots.

Hope this gives you some ideas if you are inclined to try REW or similar software to see what your rig is doing.

UPDATE: Here are a few more plots showing the delay/timing alignment effects.

Frequency over XO region.

Linear Phase STEP between 0ms and 6.1ms.

Linear Phase IR between 0ms and 6.1ms. Virtually no difference.



Edits: 07/25/20

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  Kimber Kable  


Topic - Phase Matching and Delay/Time Alignment Example Plots - emailtim 11:28:00 07/25/20 (15)

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