Martin Seibold Tone Stability Enhancer TSE 12
Martin Seibold Tone Stability Enhancer TSE 12, Tone Stabilizer, For bass trombone with two rotary valves and for any rotary valve tuba model, 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