You need high quality solid states to drive big magnetics in EA. Being both physically superior(Esotar tweetor..) and well tuned in singing music, it tends to pay back as much as you invest in source and amplication. I recommand Spectral dma-150 or Pass monos.
Power Amp for Sonus Faber Electa Amatour
Looking for suggestions regarding a power amp to drive Sonus Faber Electa Amatour II speakers....$4K price range more or less