Yamaha Shank Conversions Cups to name a few)

to name a few)

Tweaks to existing designs or duplications of your rim

**The cup tapers to a #1 drill bore at a shallow depth then tapers to the true bore of #13 fairly deep in

The next item was to figure out how to let them be efficient and in control in the lower register

and this is a remarkable efficient cup for what it can do

Yamaha Shank Conversions Cups to name a few)Turn an American Morse shank cup into a perfect fit for your Yamaha dual taper receiver. We lathe the shank with a 1. 25 degree taper, half way between the two tapers of the receiver which is close enough to both to engage firmly. It also corrects the insertion depth, giving smoother slurs and better intonation. When buying new cups simply add this sku for each cup you want modified youll get an automatic checkout discount to $10 cup. Please note,