The only function I see to a capacitor in this application is to
supress background noise that you may have at high volume settings.
Although in theory it will flatten out the input voltage (ie
regulating or "boosting" the voltage), if you are using 4 gauge wire
you will see no difference in output power at all.
Connect it as per Jim Lill's advise. A relay is a good idea to avoid
a dead battery. Nevertheless, to charge a fully discharged capacitor
of the capacity you are describing, you will create a peak current of
some hundreds of amps.
Damage to any electronic components? Hmmm....
Francisco
--- In peugeot-L@egroups.com, Douglas Sisson <peug505@s...> wrote:
> I have a 1 farad capacitor that I got for free from a guy I
put a stereo
> in for. Unfortunately, he had no idea how to hook it up, had no
owners
> manual, installation hardware, and he was not even positive whether
it was
> really for use in a 12 volt car stereo. I would like to add it to
my
> stereo system in my 405. I currently run two amps that together
run about
> 520 wats RMS. Any help with this would be greatly appreciated.
> I am a decent stereo installer, but I have never learned hard
core
> technical stuff. The numbers on the capacitor are like greek to
> me. Please help. The numbers on the capacitor read:
> 1,000,000 uF 20 VDC
> -20% +20%
> -40degrees C TO +85degrees C (temp range for use??)
> DCMX105M020DP5D (part number??)
>
> There are two connectors on the top, one marked '+' and the other
not
> marked. I usually see, in magazines, caps with 3 connectors on the
top.
> What may I be missing? I have a 4 gauge power line running that is
fused
> directly after the battery and goes into a independently fused four-
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