Mcintosh c2300 preamp tube question

Anybody has tried different tubes for this preamp?
What are your experiences?

Any other changes that can be done with the preamp?

shsu09-16-2009 1:46pm

shsu OP Details Discussions Posts This discussion Message User 19 posts 09-17-2009 at 10:05pm Copy Comment URL Report Comment Edit Delete Anybody else tried different pairing for the preamp section and phono sections?