Author: kdk ★2017
Date: 2020-10-29 17:11
For anyone with experience with plateau keys - how does the LH 1 plateau work when you lift the index finger to play F4? On a clarinet with open rings, that ring stays down (linked as it is to the pad under the A key, which needs to stay closed for F4). With a covered hole, it can't stay down, or it would still sound E4. Is it mounted on a separate sleeve (with its own spring) around the standard pivot rod?
Also, (to go off on a slight tangent), how do other covered holes work that must open independently when on open-holed clarinets the analogous rings are attached to a single pivot rod (e.g. the whole RH stack)? They must be individually hinged and sprung.
I've read posts from people who ask about converting open holes by simply inserting plateaus (plateaux) into the open rings, but it can't be that simple. The mechanism must be very different.
Karl
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