"John Duffey" wrote in message
...
In article ,
Dave wrote:
Any ideas?

What is it sullied with?

Dust & powder, just give it a pat down and possibly a hoover. If
it's clingy stuff, we get into the "is the grille removable"
categories.

John

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Hi, I fear a hover wont do the job, it looks as if its been a liquid at some
point.
The grilles are removeable. I dont know if speaker cloth shrinks or has any
other characteristic when it gets wet.

Cheers