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Dunb speaker question

820 Views 5 Replies 4 Participants Last post by  rendrikat
I bought a set of tweeters yesterday, the instructions said to hook the + to +
- to - but the instructions do not say what wire is + or -. The wires out of the speakers are color code one wire is steel colored and the other is copper colored. I need to know what color is + or what color is -

Thanks For Your Help

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Originally posted by John D:
Do NOT try the flashlight battery trick to find polarity. The windings on the voice coil are too delicate to handle it. Plus you'll never see the the cone/diapragm move.

Look VERY carefully at the body where the wires enter. You may find a microscopic + or - molded in the housing. OR.. If one of the leads goes to a capacitor that's the pos or +.

(On the tweets polarity isn't a huge issue, I've actually gotten better RTA curves having one inverted and one "straight up").
I've used the battery technique on many, many speakers, for over 40 years and have NEVER lost a speaker! AND, you CAN see, if not feel, the cone move. Use a 1 1/2 volt D cell....not a 9 volt battery. If the cone moves outward, the terminal that the positve side of the battery is connected to is the + side.
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