[Mr Carlson] serves up another vintage offering, this time in the form of a tube op amp. The K2-W model he acquired enjoyed popularity when it was released as one of the first modular general purp ...

The stunning amp is designed for on-the-go audiophiles ... It offers this in two modes, K2 and K2HD, the former of which preserves the files’ original resolution. Additionally, the iDSD Valkyrie ...