Have you considered used equipment? Where are you at as location has a lot to do with availability and pricing? For $15K, you could do very well in the used market for dynamite speakers AND the equipment to run them.
Good Speakers for Rock and Roll Under 15K
I have nice speakers for acoustics, jazz, vocals, etc. but are not great for rock and roll. Would welcome any recommendations for speakers that do a great job with classic rock and roll. I will add some components in my system that might influence thinking:
New Audio Frontiers Tube Preamp, New Audio Frontiers 845 Tube Power Amp, Lampizator Atlantic DAC, Innuos Zenith Streamer, Tchernov cables.