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  1. JL HD 900/5, intermitent 2 volt spike in output voltage. Alpine cda-9887 w/ imprint

    Technical & Advanced Car Audio Discussion
    I am running an Alpine cda-9887 with active crossovers to a JL Audio HD900/5. *My subwoofer channel has been giving me issues. it appears that output fluctuates between 31.3-31.6 volts occasionally, sometimes as high as 32.2 volts. I may just be paranoid, but I remember feeling a pop once...
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