Martin Seibold Tone Stability Enhancer TSE 7
Martin Seibold Tone Stability Enhancer TSE 7, Tone Stabilizer, For rotary valve trumpet and flugelhorn without trigger on 3rd valve, Improves response and accuracy, Makes a more centered sound, Screw the knurled screw completely out of the TSE, place the threaded part against the valve sleeve from behind and screw both parts together with the help of the knurled screw so that the TSE rests against both valve sleeves, Silver plated, Made in Bavaria / Germany