Quick question on valved/rotary Trombones and Euphoniums.

[Art Hovey]

My four-valve bass trombone is no harder to play in tune than a four-valve tuba. It is possible to use the slide for minor corrections, but I rarely need to do so. No real trombonist would like it, but it works for me because I am a tuba player and can get by on euphonium.

[imperialbari]

Pedantry of course, but were there ever more than one King valve section for trombones? Both the 2B and 3B were sold as complete trombones with slide as well as valve sections, but whereas the slide bores were 0.484" and 0.508" respectively (according to memory), then the valve section for both was the same with a 0.484" bore.

Klaus