Hi everyone! My name is Gabriel and since a few days I'm a possessor of a pair of AR-6. These loudspeakers were from my grandpa and have been stocked in a humid cellar for a few years. They're in decent conditions, but I think there are some problem with mid-high frequencies. I'm not an audiophile so I cant judge, but the high frequencies are kinda muffled. The response is better if I set the Treble of my amplifier (Akai AM-U04) to the maximum. I already bypassed the potentiometer