How long it take to run in brand new loudspeaker?

I just bought a pair of QUAD 11L Bookshelf and found that the high is bit soft, is that due to insufficient run-in?

mark10-10-2002 2:36pm

ultrakaz Details Discussions Posts This discussion Message User 187 posts 10-11-2002 at 03:15am Copy Comment URL Report Comment Edit Delete About 500 to 1000 hours. But of course, the speakers will continue to sound better and better until they break.