When I was in a multi=service band s in D.C, it was pointed out to me by a Marine Bandsman that there is The Marine Band and Marine Corps Bands. Depending on your perspective, some took pride in belonging to one type orthe other.
I start my warm up with low note buzzing by removing the tuning slide and blowing low notes using breath attacks. Using a larger mp during this initial exercise can also be helpful. Replace tuning slide and play Clark #1 very slowly - equivalent to long tones.
I have some great horns in my collection but the Olds Recording is the only one I have a hard time putting down for the day. I just want to go on playing it forever.
George
Taking it to another dimension. Fourth valve. My flugelhorns must have 4 valves as engaging the alternative fingerings with the fourth valve depressed, keeps those flugelhorns in a true tone. And while my Kanstul has a first valve tuning trigger, I never use it as it's fourth valve when engaged, covers the task at hand. My Getzen flugel, has no trigger, and I like it that way.
Yes, the 6B was very similar to the 38B. Same basic specs, valve block, leadpipe, and bell shape. It had less nickel plating and no trigger or slide stops. Nice playing instruments.