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<blockquote data-quote="mvw2" data-source="post: 2773523" data-attributes="member: 574722">This is the speaker wire which means it&#039;s getting more of a sine wave, music, and jumps between positive and negative.&nbsp; I would assume your Yellow with black stripe is your negative, but that&#039;s only guessing.&nbsp; It doesn&#039;t really matter in terms of hooking up and working.&nbsp; However, if backwards, your woofer will play out of phase with the others.&nbsp; Basically, when your other woofers move out, this one would move in.&nbsp; You&#039;ll generally lose low end bass if this is the case.Realm of Excursion has some frequency tests available:<a href="http://www.realmofexcursion.com/downloads.html" target="_blank">http://www.realmofexcursion.com/downloads.html</a>Another site:<a href="http://www.eminent-tech.com/music/multimediatest.html" target="_blank">http://www.eminent-tech.com/music/multimediatest.html</a>Copying some info:# Pink Noise Monaural - Pink noise is a form of noise that theoretically contains all frequencies. It should sound somewhat like rain on a rooftop. Pink noise is defined as having equal energy per octave and it is an important signal for loudspeaker testing if you have speaker measurement equipment. In this example, if your speakers are in phase, the sound should appear to come from the middle of the monitor.# Pink Noise with Reversed Polarity - This is the same sound as above, but recorded with its polarity reversed. Here the sound should appear to come from the left and right speakers individually, or beyond the outside boundaries of the speakers. If it sounds like this noise is coming from the center of your monitor then your speakers are wired incorrectly. To correct this problem you will need to switch the positive and negative wires at there terminals on ONE speaker only and it would not matter which one you change.If you find it to be out of phase, then simply swap the + and - wire around.&nbsp; If all speakers are out of phase, it&#039;s the same as if all were in phase.</blockquote>

[QUOTE="mvw2, post: 2773523, member: 574722"] This is the speaker wire which means it's getting more of a sine wave, music, and jumps between positive and negative. I would assume your Yellow with black stripe is your negative, but that's only guessing. It doesn't really matter in terms of hooking up and working. However, if backwards, your woofer will play out of phase with the others. Basically, when your other woofers move out, this one would move in. You'll generally lose low end bass if this is the case. Realm of Excursion has some frequency tests available: [URL="http://www.realmofexcursion.com/downloads.html"]http://www.realmofexcursion.com/downloads.html[/URL] Another site: [URL="http://www.eminent-tech.com/music/multimediatest.html"]http://www.eminent-tech.com/music/multimediatest.html[/URL] Copying some info: # Pink Noise Monaural - Pink noise is a form of noise that theoretically contains all frequencies. It should sound somewhat like rain on a rooftop. Pink noise is defined as having equal energy per octave and it is an important signal for loudspeaker testing if you have speaker measurement equipment. In this example, if your speakers are in phase, the sound should appear to come from the middle of the monitor. # Pink Noise with Reversed Polarity - This is the same sound as above, but recorded with its polarity reversed. Here the sound should appear to come from the left and right speakers individually, or beyond the outside boundaries of the speakers. If it sounds like this noise is coming from the center of your monitor then your speakers are wired incorrectly. To correct this problem you will need to switch the positive and negative wires at there terminals on ONE speaker only and it would not matter which one you change. If you find it to be out of phase, then simply swap the + and - wire around. If all speakers are out of phase, it's the same as if all were in phase. [/QUOTE]

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