Solved How to replace RCA male end of speakers

April 7, 2015 at 18:42:52
Specs: Windows Phone 8.1
So I have a pair of RCA fisher speakers that were given to me and I want to hook them up to a receiver but the receiver only had speaker wire ports so I went ahead and bought a RCA to speaker converter which worked for one of the speakers. The other one had a bent RCA male end but still seemed like it would function but unfortunately did not. So I cut off the RCA end and it has two copper wires just like speaker wire does but I don't know what to do with them now...any help?

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April 7, 2015 at 23:36:33
✔ Best Answer
Is there enough wire left on the connector you cut off to put an ohmmeter to them? If so put one ohmmeter lead to one of the wires and the other lead to the outside shield of the RCA connector. If the ohmmeter doesn't indicate a short then try the other wire. Whichever wire is attached to the outside shield is negative. Once you've identified which wire is positive and which is negative examine the insulation on both strands. They're probably the same color but if you look closely one should have a different color stripe on it. Then look for the same stripes on the wires going to the speaker. That way you identify the +/- polarity of the wires.


If the enclosure has only one speaker in it then the polarity probably doesn't matter. An internal crossover usually has electrolytic capacitors and that's why polarity is a concern. But with only one speaker there's nothing to 'crossover ' to so you don't have to worry about which wire is which.

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April 8, 2015 at 03:48:40
Okay thanks for the help ill be sure to try it out!

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April 8, 2015 at 08:24:21
Just adding a tid bit. When you have two speakers (stereo) if you get the polarity wrong it makes everything left or right, with little sounding as if it comes from between the speakers. So, for example, if a singer should be in the middle then the voice will sound as if it is each side. It's a subtle difference that might well go unnoticed. Sometimes there is a clue in the wiring colors or maybe one side on both will ground, otherwise it is trial and error which might drive you dotty trying to determine which polarity is right.

Always pop back and let us know the outcome - thanks

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April 8, 2015 at 18:11:19
I will have to buy an ohmmeter to test for a short

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April 9, 2015 at 10:49:21
DAVEINCAPS. Sorry bud but I'm going to have to call you on this one. Electrolytic capacitors are never used in a passive crossover network. Audio signals are alternating current and you don't use alternating current on an electrolytic capacitor. Nor does polarity have anything to do with a crossover network.

Polarity is a concern when you have a multiple cabinet setup. Both speaker cabinets need to be in phase with each other. In other words, all the speakers (or single speaker) in a cabinet need to move in the same direction with the other speaker/s in the other cabinet. if you are only using one cabinet (no matter how many speakers are in the cabinet), then polarity is not an issue.

If one cabinet is wired with the polarity backwards, it will be out of phase with the other cabinet. It will sound horrible, you will have almost no bass and the sound field will sound very off.

message edited by THX 1138

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