It has stayed basically the same in terms of sound quality. To me the biggest benefit is how cool it runs. When cranking to whole house audio, the Active Thermal fan never comes on any more. The equipment rack is in a closet in a knee wall space and it used to be the fan ran constantly while the system was on. Now it only runs when the surround amps have been on for a while.

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One step from the Presidency
#1 Trinnov Altitude 32-8-16, 271, 8000XE, 7200SEHC, 7200.2, Seaton F18, JL Fathom F113, Revel w990's, Kef R7, ATI 528 Amp, JVC RS4100K, SI screen. Roon Nucleus+, Eno AG, Eno M link, 218.
#2 Mark Levinson No5105, Ayre VX8 and CX8, Vandersteen Treo CT, Preamp varies.
#3 Meridian Ellipse