This is one set brand new in box, not used before Pass Labs XP-12 Stereo Linestage Preamplifier. MADE IN USA in 220-240V. The new XP-12 starts with a new power supply. It uses an efficient toroidal design with both an electrostatic and Mu metal shield along with vacuum impregnating and epoxy fill. This gives … Continue reading Pass Labs XP-12 Pre-Amplifier