Speaker Grill Cloth, On or Off


I was wondering how many members use their speakers with grill cloth removed? I realize that speakers may have been voiced/designed by manufaturer with cloth in place, but this is just another variable that effects sound. I do it both ways and seem to get slightly more detail with cloth removed. I also wondered if dust becomes a problem with cloth removed, especially in tweeter.

Probably any home with children will have cloth in place, just too tempting to touch that shiny tweeter dome.
Anyway what are members approaches to this.
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I leave mine on my Dunlavy's. I have tried both ways but hear no difference at all. Leaving them on helps keep dust off the cones I figure. J.D.
I usually leave mine on due to an abundance of cat hair floating around, plus I have a tendency to stare at the drivers if they are exposed, which to me is the equivalent of staring at a wall (don't want to get the nickname "Stemo"). That aside it depends on the recording as to which I prefer.
my avalon eidolons have grill covers meant to be left on; they have a layer of felt, about 1/2 thick, under the cloth, which serves as a part of the speaker's design. when i had my avalon ascents, there was an "option" available for a time that had the same kind of felt attached to the speakers cabinets sans grill cloth. i thought it made a beautiful speaker fairly ugly. -kelly