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Re: Marigaux Photos

Author: tictactux ★2017
Date: 2007-06-10 14:34

> The F#/C# pad is closed by an arm. This may replace the crow's foot, but
> seems more likely to be a mechanism to give a pure middle B/C# trill and
> facilitate passages in sharp keys by giving the Patent action we find on all
> but the lowest level German instruments. The disadvantage is that you can't
> play E/B with just the E/B key, but have to put down the F/C key too.

The E/B key is connected with the F/C arm, and the F/C key is connected with the F#/C# arm. (The F#/C# pad is held closed by a spring)
The operation is the same as with a crow's foot, but you get adjustability on the C pad action (screw on F#/C# arm) and on the synchronicity of E/B and F/C pads (screw on F/C arm). I suspect the arms are more impervious to bending as they directly operate on the cups and not on the touchpieces.

(A detail not visible in the pictures is that the LH levers are weakly sprung open, eliminating the need for nylon pins or magnets, without having a rattly keywork)

--
Ben

Post Edited (2007-06-10 14:36)

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Marigaux Photos new

tictactux

2007-06-09 13:30