D’Addario Select Jazz Alto Sax Unfiled Single Reed

Select Jazz Alto Sax UNFiled reed Filed reeds (also called double cut or French cut) are reeds that have an extra strip of the bark removed in a straight line, just below the vamp. This allows for extra flexibility and fast response. Unfiled reeds (also called American Cut, regular reeds or single cut) are identified by their distinct “U” shape at the bottom of the vamp and no line. They produce a powerful tone.