Originally Posted by jeremy1968
I meant ppi class d2000 monoblick amp and with volume up the voltage goes from 14.5 down to 10.9 that was checked with dmm. Now the subs r wired at 1.5 ohm but the amp is supposed to be stable to 1ohm that's what manufacturer says
voltage going to 10.9 i bet money that amp is kicking into protect bc of low voltage..
at 10.5v a battery is 99% dead.. ditch that capacitor..(reason why u ask?) bc a capacitor only stores INSTANT power..and once that capacitor is discharged it will pull more juice from the underhood battery..Which is already struggling to supply the whole car and the system..so it hurts higher powerd systems more than good (unless a strict comp car ive seen a few with capacitors)
a little 400 to 500w rms amp would benefit from a 1 or 2 farad cap..just bc that amp is pulling so little from the battery
so in short..make sure u got the BIG 3 done properly (id suggest 0g wire)..and get a good underhood battery and a battery in back also
a system like yours with a stock alt which i assume is somewhere around 130amps pair that with say 100Ah worth of battery ...and you SHOULD have no voltage issues at all
2000 Gmc Sonoma ext cab
subs- 4 Skar audio ix8s 2cube net at 28hz 6" aero
amps- Audio Technix 400.1 & infinity 7520a
highs- 3 sets of Scosche hd 6.5"
headunit- fancy DUAL audio xdma760
sound deadend with peel n seal and expanda foam
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