UP FOR AUCTION IS A CLEAN USED TEKTRONIX PG508 PULSE GENERATOR PLUG IN. LIKE ALMOST EVERY OTHER PG508 ON THE PLANET, THIS UNIT HAS DIRTY POTS. I HAVE DONE THE INITIAL CLEANING WITH DEOXIT BUT IF YOU ARE FAMILIAR WITH THIS PLUG IN THEN YOU WILL UNDERSTAND THAT A TEAR DOWN OF THE PLUG IN INCLUDING REMOVING THE BOARDS AND DISASSEMBLY OF THE FRONT PANEL POTS IS REQUIRED FOR COMPLETE CLEANING. I WILL LEAVE THIS UP TO THE NEW OWNER AND PRICE THE UNIT ACCORDINGLY. PLEASE ASK ALL QUESTIONS PRIOR TO END OF AUCTION. On Nov-06-16 at 15:23:36 PST, seller added the following information: