How do you have the impedance switch set? No matter the rating of the speaker it should be set to 8 ohm. I do recall Mikey (MDrew) had a 661 I believe and he was able to shut it down at higher dbs. That's why I said the Yammy might shut down on some headbanging.

Rick


"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud