| 摘要 |
The purpose to create an instrument approaching original valve-less brass instruments in terms of tonal characteristics like lightness and colour of tone. It is achieved by each valve fitting containing two counter turned fitting shafts with two connecting channels located one above another, whereas the valve fittings are joined together by overlapping rings and the input and output of the valve fitting is connected by piping connected with the retuning valve, in which there is a retuning turning shaft with two connected channels positioned one above another and turned from each other by 180 degrees.<IMAGE>
|
