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Thread Starter 
My Elan THP1200SW subwoofer started to misbehave lately. I opened it up and found out the caps were bulging, so I ordered some new ones.

I also got a serial number out of the speaker they used.
30GR15GZH-DW01
Zeros might be O's.

Is anybody aware of the spec on those speakers, or at least the manufacturer?

I know they are 4ohm, but that is about it.
It would be nice to find out the specs, and maybe tweak some parameters on the box(by adding and removing box filling, adding braces, etc) to make it sound a little better.