The original Lamm ML1 monoblock power amplifier was one of those components that seemed to bewitch everyone who heard it. It worked its spell on Jonathan Scull in the May 2000 Stereophile (Vol.23 No.5), and sent me into raptures when I reviewed it for The Abso!ute Sound in 2001. Hearing the news that it had been upgraded and renamed the ML1.1, I couldn't help but wonder just what Vladimir Lamm had found to improve.
The answers surprised me. While making access to the plate fuses easier doesn't seem like much, the…