Adolph Sax originally intended for the saxophone family to include sucontrabass instruments, but none were manufactured for over 150 years. There were several "attempts" to create a sucontrabass during the heyday of the lower saxes in the 20s--30s, but they were not correctly tuned, required several people to play, and were generally just scaled up versions of smaller saxes. Recently, Benedikt Eppelsheim has had great success with his line of bass wind instruments including bass and contrabass saxophones, and contrabass and subcontrabass tubaxes. The tubax is double-wrapped to make the key-work easier to play, just as Sax originally intended for his lower instruments (inspired by the ophicleide). The Tubax has a very narrow bore however, giving it a bell approximately the same size as a ba