Reluctantly selling this, it’s just not getting any use. It’s a great little amp especially for Grados and Senns. I’m including the original reissue Mullards, a set of EI branded Tungsrams (about 20hrs on them)and a set of '54 Valvo dish getters (Maybe 50 hrs on them). The EIs are very nice, but the Valvos are incredible. Very nice upgrade to this amp.