Yamaha YCR-8620S, Bore .445' Bell One-piece, Bell Material 4 3/4' Yellow Brass, silver pladet, The new Eb Cornet is also an 8000 series instrument and replaces the current YCR-6610ST. It too was developed with David King and has a warmer, yet more present tone, as well as a more comfortably balanced playing resistance than current model.