Client reports on Signature Upgrade to his Icon Audio PS1 MKII MM/MC Phono Preamplifier

The improvements from the Icon Signature upgrade are significant and immediately apparent. The Icon was incredible to begin with but now there is a very noticeable  black, silent background. It also has even more of a 3D sound that floats in the air with great separation of instruments and vocals. The bass is tighter and crisp but full. 

Mundorf silver/gold in oil Upgrade Capacitors