To follow up, I can't say that the Focals require a solid state power beast to perform their best, only that the Krell gears was far superior to my ear compared to Asthetix.
I did hear one of the mid level Utopia speakers with a Pathos Logos and has no objections, but it was in a much less controlled environment and a much shorter experience.
My speakers are Focal 836v and I have heard them on the Krell amplifiers and was equally impressed and am currently blown away with the sound of my Yaqin tube amplifier and would put it on par with the Krell S-300i. I wouldn't exclude tubes from potentially sounding fantastic with any Focal speaker, but if I had the funds to get into the Utopia line I would go Krell and never look back.
I did hear one of the mid level Utopia speakers with a Pathos Logos and has no objections, but it was in a much less controlled environment and a much shorter experience.
My speakers are Focal 836v and I have heard them on the Krell amplifiers and was equally impressed and am currently blown away with the sound of my Yaqin tube amplifier and would put it on par with the Krell S-300i. I wouldn't exclude tubes from potentially sounding fantastic with any Focal speaker, but if I had the funds to get into the Utopia line I would go Krell and never look back.