The bach stradivarius 50b bass trombone open wrap is an orchestral bass trombone built to a professional standard. Perfect for progressing 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 yellow brass bell providing excellent projection and the perfectly smooth chrome plated inner slides giving effortless action and playability the bach stradivarius 50b is perfectly suited for either symphony orchestras or brass groups. The rotary 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 loop offers excellent clarity and an even resistance with a wide open feel. A gleaming clear lacquered finish adds a subtle warmth to the overall sound of the 50b and gives it a timeless classic look.