MINe 109 wrote:

Studio monitors would be a bad choice for the OP. He wants a
floorstander roughly equivalent to his KEF 104s and prefers classical
music. Monitors are often meant for tabletop positioning and have
frequency responses bumps to exaggerate recording/production flaws.

Honestly, he's going to have to look really really hard to find
a better speaker than his 104s. He might look into large planars
or move to full-range electrostatics.