Once in a lifetime opportunity!! Incredibly rare! BRAND NEW AUDIO RESEARCH SP-6 Zener Power Supply board!!! Part Number 16019810
This is your ONE chance to buy a brand new SP-6 Zener Circuit board! Buy it now or forever hold your peace! I am not sure what revision level these boards are. but they are brand new! Please look at photos carefully! Came from the home of a retired ARC engineer.
FREE SHIPPPING!