Ledermann played Reference Recordings' half-speed mastered LP of Eiji Oue's Minnesota Orchestra performance of Rachmaninoff's Symphonic Dances. The triangle's sound was exceptional"That's the strain-gauge [cartridge] you're hearing," said Ledermannand everything else seemed just right. It was especially impressive to hear how well his smallest speakers conveyed the illusion of massive timpani strikes.
You can find a description of the system's components here. Not everything in the room at RMAF was in use, but you can get the picture. When I asked Peter what was special about his equipment rack, he replied, "We picked it because the cardboard it's packed in is reusable." Sure sounds (and sounded) good to me.