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Old 17th August 2016, 01:01 PM   #1
sonyzz is offline sonyzz  Lithuania
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Default Tweeter terminal polarity

So i have a tweeter which one connector has black dot on it, and other has nothing, so im assuming that connector with black dot on it is positive side, am i right?
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Old 17th August 2016, 07:07 PM   #2
GM is online now GM  United States
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Probably, but you can use a 1.5V battery to determine it, i.e. when the positive [+] causes the diaphragm to move out, it's the positive lead. Since a tweeter has very little linear excursion, just tap its leads enough to see which direction it moves.

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Old 17th August 2016, 07:26 PM   #3
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Ummm, don't think I'd use a battery on most kinds of tweeters.

The essential question is which polarity results in a better freq sweep. While interesting to know how the gizmo is wired, only audio results when used with a crossover and mid-range count and the sweep tested in your room can be hard to anticipate even for your own familiar system. Often in my experience, both polarities have their advantages.

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Old 17th August 2016, 07:43 PM   #4
GM is online now GM  United States
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Why? Which ones? I've used them on everything from cheap ribbons to 7/8" exit horn compression drivers for many decades now with no damage I'm aware of, but one can always use a well worn one that's typically dropped to <1V.

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Old 18th August 2016, 01:50 AM   #5
chrisb is offline chrisb  Canada
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Now, a 9v "transistor radio" battery ( remember those kids?) might be something to worry about, but I can't see a AA or AAA doing any harm.
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