thinman2 small footprint Class A mono blocks and pre amplifier1/4 of your budget, get 2 Schitt Aegir’s and vertically bi-amp
https://www.schiit.com/products/aegir
http://www.classicspeakerpages.net/IP.Board/uploads/monthly_2016_03/7_Vertical_Bi-Amp.thumb.jpg.672f...
or 1 Aegir on (mids&highs) and 1 Vidar (for more bass wallop) and horizontally bi-amp
https://www.schiit.com/products/vidar
http://www.classicspeakerpages.net/IP.Board/uploads/monthly_2016_03/biamp1.jpg.cfebd4caac8401a6cba8d...
And then a Schiit Freya + for you preamp that is extremely versatile.
https://www.schiit.com/products/freya-1
Cheers George