DESC: A force to be reckoned with, the Reference Series RF-83 floorstander sets a new standard for the line in both sound and style. With its high-end materials and slender design, this flagship tower delivers unrivaled audio performance for those who demand the very best. Exclusive Tractrix? Horns have always been the key component of this critically acclaimed series. In the RF-83, this technology has been refined to include improved throat geometry for a more genuine, lifelike sound. Behind the horn lies a professional-grade 1.25-inch titanium diaphragm compression driver to provide a unique combination of precision, clarity and effortless power.