Howdy folks,
My MP lost a tube the other day right as I was starting a session with a client, of course. Luckily we had a spare so the session went on without issue. However, this got to me thinking about several things...
1. Do replacement tubes need to be in matched sets to maintain good balance between channels?
2. Do different brand tubes change the tone of the MP enough to consider trying other brands?
3. I have always had a higher noise floor with the MP in the chain. In the manual's trouble-shooting section it states, "The usual suspect is the shorter tubes - the 5751 voltage amplifiers. You may find that you need to choose the quietest tube out of several of that type - like we do at the factory." Is there a better tube choice than GE's that are in there now?
Thanks!