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Old 09-30-2010   #1
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Default how to check if Tweeters are in Phase?

I've wondered how people would check this?

mids, midbass, Sub drivers are much easier to check, but tweeters I have never been able to tell
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Old 09-30-2010   #2
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Default Re: how to check if Tweeters are in Phase?

ok found an Answer to my own question
http://www.diymobileaudio.com/forum/...-polarity.html

if anyone has any other better ways, id be keen to find out

and would a battery damage a tweeter when doing this?
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Old 09-30-2010   #3
 
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Default Re: how to check if Tweeters are in Phase?

Something you want to keep in mind is that you want your tweeters to be in ACOUSTIC phase which can be different from their electrical phase.

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Old 09-30-2010   #4
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Default Re: how to check if Tweeters are in Phase?

how do I check if they are in Acoustic phase? and is this referring to the slope used on the x-over point?
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Old 09-30-2010   #5
 
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Default Re: how to check if Tweeters are in Phase?

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Originally Posted by s4turn View Post
how do I check if they are in Acoustic phase? and is this referring to the slope used on the x-over point?
acoustic phase is the phase of the wavelength when it reaches your ear(s). high frequency wavelengths are really too short to make this a concern, unless you drive with your head in a vise. just concentrate on relative intensity at this point.
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Old 09-30-2010   #6
 
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Default Re: how to check if Tweeters are in Phase?

The slope used only affects the phase at the crossover point. It determines whether you will have a peak or a dip at the crossover point. Acoustic phase has more to do with how far the drivers are from your ears. If you move a speaker further/closer to you its acoustic phase changes in relation to its relative distance to you.

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Old 09-30-2010   #7
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Default Re: how to check if Tweeters are in Phase?

so the battery method to test the electrical phase would be recommended? this is so both tweeters are in phase?
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Old 09-30-2010   #8
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Default Re: how to check if Tweeters are in Phase?

I turn off everything else except the tweets, lower the volume, drop the crossover to 1K and use a verified track to align everything up by ear. Raise the crossover back up, turn everything back on......

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Default Re: how to check if Tweeters are in Phase?

exact same thing I do. I actually go a tad bit lower... closer to 800hz. Makes t/a differences easier to tell.

However, I've had good luck lately just using mono pink noise.


FWIW, tweeters are best set by gains. ILD.

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Old 09-30-2010   #10
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Default Re: how to check if Tweeters are in Phase?



cheers for the replies

might try the lowering of the tweeter x-over
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