A 3-valve compensator (at least in the baritone) runs into another problem -- they can't make the compensating tubing short enough, and combinations with the 3rd valve are flat rather than sharp. That makes for a bad situation when playing in a section with a 3-valve non-compensator :-O
D
David Bjornstad
1923 Conn New Wonder 86I, Bach 6 1/2 AL
2018 Wessex EP100 Dolce, Denis Wick 4ABL
2013 Jinbao JBEP-1111L, Denis Wick 4AM
2015 Jinbao JBBR-1240, Denis Wick clone mouthpiece of unknown designation
Cullman (AL) Community Band (Euph Section Leader)
Brass Band of Huntsville (2nd Bari)