Paradigm Technologies have designed a fully symmetrical PCBs to ensure that maximum performance is obtained. Fully symmetrical PCBs are usually only found in high end audio amplifier designs! They are used to ensure that left and right channels have identical performance characteristics. This gives a rock solid stereo soundstage, through improved phase coherence compared to a standard layout PCB. The kits utilises a high quality PCB made from 1.6mm thick FR4 fibreglass along with specially selected components from highly regarded manufacturers such as Panasonic and Rohm.