Which Blackburn Bb/C leadpipe would be most similar to the standard Bach leadpipe?
Edited
Our Blackburn leadpipe models don't directly compare to Bach leadpipes, but the closest option to most Bach 25 leadpipes would be our Blackburn #19 leadpipe.
The Bach 7 leadpipe would be more similar to our #20 leadpipe with a darker and more open feel.
Most players notice improved slotting, articulation, intonation and overall playabilty improvements when switching to a Blackburn leadpipe.