The Onkyo A-9010 is the single best amplifier I've heard for anywhere near the price. IMO, it should be the default answer to the “budget amplifier” question that gets asked so often :
Primare I15 PRISMA MK2 + Concept 30
Onkyo A-9010
Onkyo A-9010
Subwoofer to Onkyo A-9010 | Tom's Guide Forum
Magnat MA 700 + Triángulo Borea BR02 Negro - Cadena Hifi Magnat en LDLC
Yamaha A-S701 + Wharfedale Denton 85
Connect SVS PB2000 to Onkyo A9010 with volume control? : r/audiophile