Congrats on buying the BE-20’s. I’m glad you’re enjoying them. The 20’s would be the ultimate for me. I’ve been enjoying my second-hand CP 8571’s (little brother to the BE-10) for nearly 5 years now, and would not trade except for perhaps a pair of BE-10’s or 20’s.
My Ushers are in the basement too. The previous owner lead loaded the bases, so I figure they weigh about 200 Lbs. each, still quite a bit less than your 20’s. The thought of moving them gives me a back ache.
My Ushers originally had the beryllium tweeters, but I upgraded to the DMD’s. (purchased from Fred at Katli Audio in California.)
It just amazes me how relatively unknown the Usher line is in North America
Audio: Classé SSP-800 Pre-Pro, Classé CA-5300 Amp, Pro-Ject Debut Carbon, Mytek Brooklyn DAC, Roon, Tidal, MQA Usher Audio CP-8571 LR, BE-616 C, S520 S, SVS SB16 Ultra X 2
Video: JVC DLA RS-6710 Projector, Oppo BDP-105D, Roku Ultra, DirecTV Genie,
Other: APC H15 Power Conditioner, Dedicated 20 Amp 10 Ga Romex Circuit, eero Pro WiFi System with Actiontec Bonded MoCA Ethernet