I have the M500's and upgraded from Sophia mess to the Takatsuki TA-300B. Very nice upgrade. I went further with the Takatsuki TA-274B, which was also very nice.
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Analog : Aesthetix IO Signature w/ dual power units, lots of NOS tubes:
(1) DaVa FC-A1, Origin Live Enterprice-C MK4 tonearm, QSA Lanedri Infinity phono cable, Micro Seiki/Sound House SH-B19
(2) ZYX Universe II X/SB2, SME 3010-R tonearm & phono cable, Ansuz Signalz D phono cable, Micro Seiki AP-M2
(*) Other Phono Cables: headshell-to-phono Aural Harmony DeepSpace (cyro graphene gold) tonearm wire, Origin Live Silver Hybrid S2, Synergistic Research Tesla Apex, Synergistic Research Atmosphere X Euphoria
Digital : Laufer MP64-16 (coming MP64-32); Canary Audio CT-600 & KD2000 Mk2
Preamp : thru Laufer MP64-16 (coming Melos MA333+Phono w/ upgraded caps/wiring/umbilical cords by Mark Porzilli)
Amps : Canary Audio M500 w/ Takatsuki TA300B & TA-274B tubes
Speakers : Quintessence Acoustics Summit
Cabling : Synergistic Research Tesla Apex Dig / XLR / RCA / Speaker
Power : BrickWall PW2R15, Isoclean PT-3030G II / 106 II / two 115F, BMI Oceanic Evolution Rhodium PC’s, Chinese silver wire PC’s (custom: graphene, NCF plugs)
Shelves : audiophilevibrationcontrol.com
Room : 20’x22’