I can not believe I did this. We have a pair of yellow Beolab 4000s as computer speakers. I was sitting at the desk, reached for something with a pen in my hand and left an inch long ink mark on a speaker grill. Any suggestions for trying to clean it?
Beovision 7-55 with Beolab 7-4, 9s and 4000s
Beovision 10-40 with Beolab 1s and 6000s
Beosound 1, 5, 2000, and 3000
Beotime, Beotalk, Beocoms