lchadwick38 Posted October 7, 2016 Report Share Posted October 7, 2016 I have a fosgate 750r hooked up to a sundown sa 15 dvc wired to 1ohm. What do the dials on the amp need to be set at? On the 750r there's 4. punch eq, frequency hz, infrasonic filter, and gain. I know what gain is ( it's not a volume knob) but what do the other dials need to be set at. The box has 3ft of airspace tuned to 33 hz. Quote Link to comment Share on other sites More sharing options...
tbeats Posted October 8, 2016 Report Share Posted October 8, 2016 Lpf frequency start at 80hz work your way down till your happy with the sound. Subsonic filter 20hz. Don't use the punch eq at all. Gain that's a hard one really depends on your headunits pre amp voltage is and where your H.U max unclipped volume is . This is where a dd1 or o scope can help. Quote Link to comment Share on other sites More sharing options...
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