[geeks] Car audio question
Matthew Poertner
geeks at sunhelp.org
Tue Sep 4 22:52:19 CDT 2001
What kind of car? What kind of amp?
Check and make sure you have a good ground...
I used to play with audio equipment quite a bit in high school. I had a
1970 VW Fastback. It had a similar problem. Also whenever the bass
hit, the headlights would dim. I guess the little generator didn't put
out enough juice and it was taking out quite a draw from the battery.
So, I went to my computer repair class and tore apart some old
computers and took the capacitors (Two - about the size of a coke can).
I hooked it up so the amp took the draw off the caps instead of the
battery. Sounded hell of clean and the headlights didn't dim anymore.
-Matt
Kurt Huhn wrote:
>Slightly more geeky today,
>
>I just installed an amplifier/subwoofer combo in my car - but can't utilize
>it to it's full potential. The reason is, whenever I try to increase the
>output the subwoofer will thump and hum.
>
>It *sounds* like it is firing _roughly_ once per three RPMs. This sort
>makes sense to me - since my car is a 6 cylinder. This is just by me timing
>the thumps from the subwoofer - not that I actually hooked up a tach to my
>tach-less car and ran it against the thumps.
>
>It sounds to me like I need a line filter for the power lead - but figgered
>I'd ask here in case anyone else has come across the same problem.
>
>Any ideas?
>
>Kurt
>
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