Matched Pair (2x) Genalex Gold Lion 12AX7 tube (ECC83)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Matched Pair (2 tubes) </span></li><li><span class="a-list-item"> Gain and transconductance are matched within 10% </span></li><li><span class="a-list-item"> High quality tube with large detailed soundstage </span></li><li><span class="a-list-item"> Gold plated pins， reduces oxidation in socket. Greater connectivity </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41szhEhO3CL.jpg" noproxy>