Cup Diameter: 32.00 mm, Medium depth bowl shaped
Rim: 8.00 mm, Well-rounded inner and outer edge
Bore: 8.00 mm
Resistance: Moderate
Shank: Large

Model RT-84 provides a clear sound with a dark core. It is very flexible, has a good upper range and gives a very quick response for a mouthpiece of this size. The low register is particularly easy and efficient. Recommended for young or occasional players of CC, BBb & Eb tubas.