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I have played my Hirsbrunner H2P for about 7 years and am satisfied with intonation for all but one note: Eb in the staff. It is significantly flat and I am thinking about a trigger that would allow me to push it in for this one note. Does anyone have experience with this issue?

I bought the instrument from Chris Quade and it looks like it was made in 1990.

Ben Roundtree
Rötenberg, Germany

You could try 2/3 - I almost always use 1/2 for E and 2/3 for Eb in the staff

I second the 2/3 suggestion. I have an HB1-P and found the same problem with second valve Eb. But 2/3 fixed it. I find more problems with the first valve than I do the others on mine. My first valve slide is very well aligned and that helps me fix all of those issues. The first year playing that horn was a bit of a brain teaser though. But with all of its short comings, I love my Hirsbrunner and wouldn’t trade it for anything as nothing else sounds quite so much like ‘me’.

My 2/3 combination is also very flat, but slightly easier to lip up.

As far as the first valve, I have a pull on the slide (and the 4th) which makes it easy to adjust to the A and Bb notes that are sharp. Very satisfied with this solution.

I had one of these for a while. Pitch on that tuba was actually pretty good. However, the best mod you could make is a trigger on the mouthpipe tuning slide as most out of tune pitches on the Hirsbrunner tubas are flat. Best of luck.