Don't be deceived by this being only a 3-valve student tuba, it plays surprisingly well being based on design used by the British military in the early part of the 20th century. In fact so well that a professional tubist friend recently used to play 'Tubby the Tuba' in concert.
UK - http://www.wessex-tubas.co.uk/product/te333-elf/
USA - http://www.wessex-tubas.com/product/te333-elf/
