A common problem for low brass that is different from trumpets! When valve stems loosen, the guide allows the valve to shift and the ports don't align.
For more tips and tricks on sanitation and quick fixes, visit our website, [ Ссылка ]
![](https://i.ytimg.com/vi/ctX_e9j17tY/mqdefault.jpg)
A common problem for low brass that is different from trumpets! When valve stems loosen, the guide allows the valve to shift and the ports don't align.
For more tips and tricks on sanitation and quick fixes, visit our website, [ Ссылка ]