Oh no. I've wandered onto the internet looking at different 12at7s for the phono stage. I knew I couldn't sit still! Maybe if I just leave tinkering to this one part....
(I had another pair to roll in but I think one of the pair ended up in a microphone here. Yeah they make tube microphones).
(I had another pair to roll in but I think one of the pair ended up in a microphone here. Yeah they make tube microphones).