Hi Tim,
I auditioned the 20.7s extensively at my good friend's place, he's driving them with Apollon PNC 1200 Class D monoblocs and Supratek Cabernet DHT 300B/6SN7 preamp, these speakers are outstanding!
I own a pair of the (much) smaller 1.7s, and as all Maggie speakers they like lots of power/current. I've been getting better results with the Goldmund Telos 280 than with the Pass Labs XA30.8
I also had the X250.8 on loan for a short while, I didn't keep it because I found that the XA30.8 was a better match with the SF Elipsas and the Harbeth 30.1s.
But if I had to chose solely based on the Maggies, I would likely have gone with the X series, more grip on the lower end, better drive in general...
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Sonus Faber Elipsa SE | REL S/812 | Goldmund Telos 280 | EAR Yoshino 912 | Merason DAC1 | Innuos ZENith Mk3 | Clearaudio Innovation Basic + TT5 + Lyra Delos | Studer A810+A807 | Nakamichi Dragon | RDacoustic Hybrid Acoustic Diffuser
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