Alpine speaker/tweeter polarity

[kleox64]

About to install SPX-17REF's, the woofers have thier polarities clearly marked however the tweeters do not. There is a black wire and a black with solid white line wire, I'am assuming anything with a line is negative. These are UK speakers.

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[qkassidyw 10+ year member]

I believe with the alpines the striped wire is positive, you can check their manual.

EDIT: Just checked the UK manual and it looks like the positive wire is....the positive wire. Yeah, they don't say. But, you should be ok as long as you follow the same convention on both sides, the tweets aren't going to be reproducing the same frequencies as the woofers, so you will be alright.