SABIAN 20 HHX New Symphonic Viennese pairs are medium weight models designed to produce rich, musical tone similar to SABIAN HH Viennese, but with added projection and enhanced sustain. 20″ HHX New Symphonic Viennese are perfectly designed for loud dynamic levels, and where articulate, dark and rich timbres are desired. They are a great choice because of their ability to blend with ensembles in a variety of musical settings.