14RamMan Posted December 3, 2016 Report Posted December 3, 2016 Are there any tried and true methods for testing speaker polarity in an already installed system? I have the AudioTool app on android and a calibrated mic, but dont know if its the most reliable method. Does anyone have any suggestions?
bmwking Posted December 3, 2016 Report Posted December 3, 2016 9 volt battery and speaker wire is a classic way. just make sure only the speaker is connected so you dont backfeed an amplifier
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