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-   -   sub/capacitor question (http://forum.e46fanatics.com/showthread.php?t=31429)

bimmer 09-26-2002 11:17 PM

sub/capacitor question
I have a question regarding installing sub. I heard that I will need a one farad capacitor so that the battery wouldn't be drained away by the sub. How much are those capacitors?
Also, I have a JL 12W3. What kind of amp will work best for it? Is 300W mono going to be enough?
What else do I need to install the sub?

bimmer 09-27-2002 11:01 AM


theJrod 09-27-2002 11:19 AM

Anywhere from 100 to 300 watts would be good for that sub. If that amp is the only amp in your system, then you do not need a capacitor. It might help a little, but it's not necessary. Your battery will not die from just one relatively small amplifier.

drgalleg 09-28-2002 12:10 AM

General rule: 1 Farad Cap per 1000 watts of Amp power

You'll be fine.

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