I've decided to make a move on a high end headphone amp and preamp combo, for a number of reasons. The combo makes it easier to justify a price tag of 1-3K for a unit that forms the bedrock of a full system. I am trying to decide between a WA2 and Ray Samuels Audio "The Apache". The Little Dot...

I am building an audio rack system out of cherry hardwood for my head fi system. My four shelf design is similar to this model:   http://www.boxfurnitureco.com/wsw.html   I notice that most high end makers of audio racks use aluminum disks or cones as the feet to reduce vibrations. I've...