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Another Option is Acoustic Measurement Posted by DnstrDan [Email] (#1361) [Profile/Gallery] (more from DnstrDan) on Sat, 23 Mar 2019 13:00:23 In Reply to: Positive and negative wire speaker color codes, Peter Nichols, Fri, 22 Mar 2019 08:44:15 Members do not see ads below this line. - Help Keep This Site Online - Signup |
There are various speaker polarity detection apps for iOS/Android phones that use your mobile phone's built-in microphone to detect whether speakers are in-phase or out-of-phase. Their major advantage is that the speaker hardware need not be touched to perform the test. Additionally (with the use of an audiophile test CD) it facilitates true end-to-end testing.
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