The bach stradivarius 50af3l bass trombone is an orchestral bass trombone built to a professional standard. Perfect for advanced students or professional musicians this premium instrument can deliver a wide range of tonal colours all the way through the dynamic range. With a wide bore size and large diameter bell providing excellent projection and the perfectly smooth chrome plated inner slides giving effortless action and playability the bach stradivarius 50af3l is perfectly suited for either symphony orchestras or solo performance. The inline independent double rotor attachment allows for flexibility in the way you play offering alternative slide positions and extending the range of the instrument downwards. This open wrap f gb loop offers excellent clarity and an even resistance with a wide open feel. It utilises infinity axial flow valves which offer much less resistance when engaged than standard rotary valves. A gleaming clear lacquered finish adds a subtle warmth to the overall sound of the 50af3l and gives it a timeless classic look.