BAMTM Tweeter polarity

318Shawn · 30th April 2007, 10:28 PM

Looking at the crossover design it looks like the tweeter needs to have the polarity reversed. I searched and the question has been asked but there was never a answer to it. So, does the polarity for the tweeter need to be reversed?
I tested my crossovers and everything sounded good, just didn't have as much low end as I thought (1cu.ft. sealed) but I think that is due to the fact I didn't screw the speakers as I still have to finish painting.

Jay_WJ · 1st May 2007, 05:15 AM

The polarity of tweeter on Zaph's web page should be correct. Electrical 2nd order doesn't necessarily require reversed polarity, since its resulting slope is usually acoustic 4th (or 3rd) order, combined with a driver's natural roll off.

sreten · 1st May 2007, 10:54 AM

Hi,

Yes, the designed slope is 4th order L/R acoustic which has an in phase tweeter.

2nd order acoustic (not electrical) generally requires out of phase connection.

/sreten.

318Shawn · 2nd May 2007, 02:30 AM

Thanks for the help guys.

30th April 2007, 10:28 PM	#1
318Shawn diyAudio Member Join Date: Mar 2006 Location: Canada	BAMTM Tweeter polarity Looking at the crossover design it looks like the tweeter needs to have the polarity reversed. I searched and the question has been asked but there was never a answer to it. So, does the polarity for the tweeter need to be reversed? I tested my crossovers and everything sounded good, just didn't have as much low end as I thought (1cu.ft. sealed) but I think that is due to the fact I didn't screw the speakers as I still have to finish painting.

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1st May 2007, 05:15 AM	#2
Jay_WJ diyAudio Member Join Date: Mar 2006 Location: Indiana	The polarity of tweeter on Zaph's web page should be correct. Electrical 2nd order doesn't necessarily require reversed polarity, since its resulting slope is usually acoustic 4th (or 3rd) order, combined with a driver's natural roll off.

1st May 2007, 10:54 AM	#3
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, Yes, the designed slope is 4th order L/R acoustic which has an in phase tweeter. 2nd order acoustic (not electrical) generally requires out of phase connection. /sreten.

2nd May 2007, 02:30 AM	#4
318Shawn diyAudio Member Join Date: Mar 2006 Location: Canada	Thanks for the help guys.

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