Fox Bassoon CVC Bore Bocal

The CVC bore stresses the fundamental tones of the instrument, providing a warmer and heavier tone than the CVX. It has slightly more resistance in the upper end, requiring more support when playing in the solo registers, but yields more fullness in the middle and lower registers than the CVX. It fits the design of the thick wall models, and is sometimes helpful in stabilizing wild notes in the older designs.