Biggest change will be in the bass extension. The drivers in the DSP9 can go much lower than those in an 8000 with a PP upgrade. The PP upgrade gave the most benefit to those with non upgraded legacy 8ks.The curved and sculpted cabinet of the DSP9 lends well to metallic finishes.

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#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