Posted by Chuck on June 23, 2000 at 20:01:08:
In Reply to: Re: electronic valve action tuba. posted by Matt Walters on June 22, 2000 at 20:49:35:
I don't understand why electrical actuators are necessary if one simply wants flexibility in placement of the keys. Why not a sealed hydraulic system? No auxiliary power needed. It's been done with bicycle caliper brakes.