Re: Subwoofer sounds blown, but work
- From: MZ <mark@xxxxxxxxxxxxx>
- Date: Fri, 12 Aug 2005 23:54:52 GMT
> My subwoofer problems started with a bad cd player. My subouts on my cd
> player started rumbling like thunder and popping. Then all of a sudden the
> sub sounded very weird, like a miscalculated ported subbox, where some freqs
> are boomy. I opened the trunk for a look and a listen and saw both drivers
> were moving and i heard some quiet rumbling, but it was constant. i hadn't
> heard this rumbling in the cab. I checked the voltage on the subouts and
> saw there was a DC offset.
How much offset?
I knew this was bad and took the sub out. I
> checked the sub inside my apt. Both drivers move and both have the same
> impedance. I'm not really sure how to test them, so i hooked them up to a
> difference source. it seems like the drivers extend further than they used
> to, and don't seem to go very low in freq, and some freq are boomy. Does
> anyone know what could be wrong, or if you need more information, what
> should i check?
>
> my specs: Sony CD player (sent back to sony for repairs/replacement),
> Rockford Fosgate Punch! 150, two Eminence Kappa Pro 12" drivers in a two
> chamber box (drivers in sealed and face a ported chamber).
>
> Thanks for any suggestions!
>
>
>
.
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