Search found 3 matches
Search found 3 matches • Page 1 of 1
- Sun Feb 09, 2020 4:18 pm
- Forum: Modification & Repair
- Topic: How to shorten the movement of the triggers / levers on the Thayer Valves?
- Replies: 2
- Views: 573
:?: Dear trombone mates and technicians, I do have a set of 1st generation O.E. Thayer valves for bass trombone and I do feel the movement of the triggers / levers too long. Does anyone has an idea how to shorten the movement of the triggers? Looking forward to "hear" / read all your advices and opi...