These are not ranked for sound:
Tubes: Pathos classic, Tron any, Nagra 845, VAC Phi 300, Jadis JP80, any Ayon Amp, Mac MC275, ARC D-79
Solid Sate: Ayre MXR, MBL 9007 monos, Stax 300, Boulder 2050, Mark Levinson ML-25, Pass current amp product line, Krell Evolution One monos
So I own Lamm ML2.1's monos and they are not beauties - but they sound great!
Tubes: Pathos classic, Tron any, Nagra 845, VAC Phi 300, Jadis JP80, any Ayon Amp, Mac MC275, ARC D-79
Solid Sate: Ayre MXR, MBL 9007 monos, Stax 300, Boulder 2050, Mark Levinson ML-25, Pass current amp product line, Krell Evolution One monos
So I own Lamm ML2.1's monos and they are not beauties - but they sound great!