Tom and others,  I now have one of those Dynavoice monsters again.
This time, however, the pneumatic units are not screwed in to the
metal plate.  I know yours had a plastic nut that held each one on.
These have press-on clips.

Do you know a source for replacements or do you know how to get them
off without destroying them?  Getting them off is impossible presently.

D.L. Bullock    St. Louis
www.thepianoworld.com