Re: How to determine polarity of speakers


"Rod" <dontemailme@xxxxxxxxxx> wrote in message
news:2jqmj1lm7vng62r5vsac719228rmi5ppri@xxxxxxxxxx
>I suspect that the 3-way Alpine SPX speakers that I had installed are
> not all in phase. Normally, to test polarity, I'd hook a 9volt battery
> up to the speaker wires normally going into the amp. Each speaker
> should either pop out or pull in, but all should do the same thing,
> assuming positive and negative are hooked up correctly.
>
> HOWEVER, these 3way speakers have not one but two crossovers that like
> to absorb the 9v and prevent the speakers from moving.
>
> How else can I test the polarity? Do I simply need to add more 9volts
> into the equation, and if so, how many, and how many would it take to
> accidentally fry my crossovers?
>
> Thanks!

That crossover has a cap in series with the woofer!?

Chad


.

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