Good comments above. I kept my LS-25 at MK I for the NOS Tubes for the reasons stated. I have done A/B audition between the MKI & MKII and I also feel the MKI is more musical. I also feel there is a synergy if you place all of the ARC latest products together -- I heard a CD3, LS-25MKII and VTM-200s on Vandersteen 5s - Incredible!
I think the main reason for the change to MKII was to get away from the quality issues of current production 6922s. As with any update to a product, ARC made the sound better in the MKII vs. stock MKI. I would personally change to the Ref2MKI and sell the LS-25 if you were to throw more $$ at your system... my $.02..
I think the main reason for the change to MKII was to get away from the quality issues of current production 6922s. As with any update to a product, ARC made the sound better in the MKII vs. stock MKI. I would personally change to the Ref2MKI and sell the LS-25 if you were to throw more $$ at your system... my $.02..