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Re: Number of register keys on contras

Author: BassetHorn
Date: 2005-11-10 17:29

To answer an earlier question about the register mechanism equipped on Linton contras, I am assuming the question was referring to the earlier metal stencils made by the Italian firm Orsi.

On my metal Linton/Orsi Eb contrabass, here is how it works and I assume its big brother Orsi Bb contrabass is built the same way. It has the usual left thumb manual key that operates the register vent that works with clarion notes up to clarion D#, and it has a second manual left thumb key right next to the first one that you hit to close the first (lower) register vent and open a different (higher) register vent for notes from clarion E and above. You make the manual slide with your thumb and the switch could be done flawlessly with enough practice.

So no, the Linton/Orsi doesn’t have a true complex automatic mechanism operated by one left thumb key and right hand third finger, but it does have 2 separate register vents each operated by a different left thumb manual key. So I suppose the end result is the same as a true automatic mechanism.

Lastly, similar to all clarinets, it has the separate vent when you hit the throat Bb (left thumb + first finger).

Hope this helps.

Willy

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