For sale are NOS matched pairs Sylvania 5963 with a O getter. Price is for a matched pair. These are one of the best sounding tubes and a great NOS replacement for any stock or NOS tube ECC82 12AU7 5814.I also sell: EL34, 6P3S-E, EL84, ECC81, 5755, ECC82, EL82, 6P15P-EV, 6N3P-DR, 6N3P, 6N2P-EV, 6N1P-EV, 6N6P etc. Please ask for more information by email. I'm going to list more matched tubes (Amplitrex AT1000) the next few coming months.
