The dynamics of the orchestral instrument are as varied and difficult to imitate as organbuilder’s various attempts at so doing.
Flared brass resonators (W).
French Horn style resonators (C).
Tapered resonators (full-compass), or special capped resonators (30 notes) (Ch).
Throaty with characteristic brass-resonator colouration; when regulated for power, acquires almost a ‘quack’.
An effective tremulant modifies this to form a blending colour stop of a uniquely haunting tonality. (W).
Smooth medium-power stop not unlike a French Horn (C, Ch).
“Specially voiced” short compass stops have a smooth sound with distinctive bubble and imitative colouration (Ch).