I am currently biamping my Magnepan 3.5s with a tube amp for the midrange/treble (ARC VT100 mkII) and solid state for the bass panels (Kenwood LO7M monos). I am using a Marchand electonic tube xover (Marchand XM126). I am very happy with the results. The Marchand allows multiple xover points and symmetrical/asymmetrical slopes. The levels can also be varied continuouly. This flexibility facilitates seamless blending of the drivers. In addition, the Marchand xover has not introduced any noticeable grain or electronic artifacts. The presentation is seamless, transparent, delicate, dynamic and musical with a huge coherent soundstage.
The marchand XM126 is highly recommended.
The marchand XM126 is highly recommended.