Why do you want to remove the grilles? I did it on mine (just to see) and the speaker really doesn't look as good with them off.

Are we suggesting that the speaker will sound better with the grilles removed?

Rega P8, Rega Apheta 3, Gold Note PH-10 and PSU-10, Meridian G68ADV, Meridian 218, Moon 340i X, Dynaudio Special Forty, REL T7/x