Speaker repair question? (1 Viewer)

[Bo-Cephus]

Have a pair of B&W DM 601's (1st series) that I use for rears. One of the speakers is staticy on low frequency sounds (tweeter is fine). At times sound doesn't even come through only light static on the low's. I'm not a speaker repair expert, but I was wondering if this symptom is typical of some particular well-known problem that would be easy to remedy, or is it more complicated than that? I switched the rears and wired them with single and with bi-wires, still the same so I'm pretty sure it's the speaker and not my sources/connections.

Also, if I need to take it in, can most repair places deal with this or should I stick to B&W authorized repair shops (if there are any). Thanks.

 

[John Garcia]

Sounds like the voice coil is fried, possibly due to it being clipped. There is one solution - replace the bad driver. Biwiring isn't going to make any difference.

 

[Wayne A. Pflughaupt]

John’s right about the driver, but it could also be a bad crossover. I suggest swapping out the woofers between the two speakers. If the problem moves to the other speaker, then it’s the driver. If not, it’s the crossover.

Regards,
Wayne A. Pflughaupt

 

[todbnla]

I have had good luck in the past with "Orange County Speaker Repair" if you dont want to tackle it?
(no relation to the motorcycle shop )

 

[John Garcia]

It could be a bad x-over, but 9 times out of 10 when a speaker exhibits what he is describing, it is a bad driver. The "scratchy" sound is ususally a dead give away. Good call on the driver swapping Wayne, I forgot to mention that as a good way to test for sure.