10 J Conn EBay
Posted: Tue May 02, 2017 12:33 pm
http://www.ebay.com/itm/Conn-Tuba-NEEDS ... Swt0FZCKQm" target="_blank At that price I wouldn't worry to much about No Reserve. 
Harvey​ Hartman did! He put a 14K bell on one and made it into a 4 front short action horn. My top valve 10J is one of my favorite hornsYORK-aholic wrote:With the good reputation these 10J have, has anyone ever flipped one around and made it a 4 valve front action?
Just curious...