I have returned them. They were not a good fit for me. I listened extensively to both the 4 and 8 ohm taps on my ARC Ref 110 and neither seemed to be a great fit. The 6 ohm impedance and 3.1 minimum impedance are not really tube amp friendly. Sound was too boomy overall and bass was fairly "one note" in my room. Bueautiful speaker, but not a good match for me.
