For sale is a used pair of Mullard CV4058/M8080/EC90/6C4 preamp tubes. These are used in several models of Conrad Johnson tube preamps. These have a couple hundred hours on them and should be good for many many more hours. $45 includes domestic shipping or I can ship internationally for $58/shipped. Please email me for pics of further information. meicheng101@sbcglobal.net
