I`ve had some naughty speakers over the years including ATC SCM-300 passives, Acoustic Energy AE-4 studios, Rogers Studio 1a, Harbeth M40-1, Spendor BC1, Yamaha NSX-10000, vintage Ravels, Egglestone Soundworks, SD Acoustics OBS, Heybrook HB3, Proac Tablette Signature, Wilson Audio Tiny...