The double bass holds a special place in the family of the bowed string instruments. Because of its large size, it is more prone to variations in humidity and deteriorates more often due to (accidental) significant damage. Instruments have often been subjected to very degrading repairs: nails, screws and synthetic glues are present in many ancient instruments.

The double bass, as it is played as an instrument of jazz, rock, soloist, in an orchestra or others, requires different settings depending on the expected sounds and effects