Cup Diameter: 32.50 mm, Well-rounded medium large depth
Rim: 8.00 mm, Fairly sharp inner edge
Bore: 8.10 mm
Resistance: Moderate to open
Shank: Large

Model RT-72 works well on medium to medium-large bore instruments, adding tonal substance combined with richness and clarity. The cup diameter accommodates those who prefer a wider mouthpiece. Models RT-62, RT-72 and RT-82 use unique cups based on modern realizations of classic German design. They are well-rounded and provide a dark centered sound with strong projection.