I basically agree with Tom above. Both are very nice tubes.
Some folks prefer one - some the other. More important are the amps' design and the match with the speakers. Classical orchestral music can be challenging (dynamics) and you want a lot of headroom. If you are running a SET (one output tube) you will want at least 100db speakers with a 45. With a 300b you might get by with 93db or something.
I remain,
Some folks prefer one - some the other. More important are the amps' design and the match with the speakers. Classical orchestral music can be challenging (dynamics) and you want a lot of headroom. If you are running a SET (one output tube) you will want at least 100db speakers with a 45. With a 300b you might get by with 93db or something.
I remain,