Kanstul Musical Instruments, Inc - This is a photo of the Boston Symphony's Walter Nirschl 6/4 York copy tuba. The large Kanstul bell was engraved with the BSO colophon, plated by Anderson
Up, up and away with the new Kanstul Flying Tubas – Kanstul Musical Instruments
90-S CC 4/4 Side Action Concert Tuba – Kanstul Musical Instruments
NEW KANSTUL/YORK STYLE 5/4 BBb-CC-F TUBAS-NAMM SHOW 2012 - YouTube