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SHIRES

The Shires Custom Series Bass Trombone Tuning Slide, Model “C” taper, is a high-quality component designed and built at the Shires factory in Boston. Known for precision and tonal flexibility, Shires components are modular by design, allowing players to fine-tune their instruments for both comfort and performance.

The Model “C” taper offers a slightly more open feel compared to the standard design, giving players a freer response while still maintaining excellent resonance and stability. This makes it a popular choice for bass trombonists seeking a bit more openness in airflow without compromising the overall tonal center.

This particular tuning slide came to us pre-owned but in excellent condition. We performed a chemical bath and shop service, which included removing a small ding in the crook. After service, the slide was found to be in top playing condition, with lacquer coverage at approximately 98%. Its structural integrity, alignment, and finish are all solid, making it a dependable component for any Shires bass trombone setup.

As with all Shires Custom components, this tuning slide was built with the company’s attention to detail and handcrafted standards. The Boston-made Custom Series represents the highest level of American brass craftsmanship, favored by professional players worldwide for its consistency and tonal color.

For context, as of 2025, a brand-new Shires Custom Boston-made tuning slide for tenor or bass trombone sells for approximately $450. Pre-owned examples like this provide both excellent value and immediate availability for players looking to expand their options or replace a worn component.


Q&A

📌 What does the “C” taper change compared to a standard Shires slide?
The “C” taper is slightly more open, giving a freer response while still keeping a secure tonal center.

👉 Why choose a Shires Custom component over stock parts?
Shires components are handcrafted in Boston, offering unmatched quality, modular compatibility, and the ability to customize feel and sound.


This Shires “C” taper tuning slide has been sold and is now preserved in our archive as a historical reference for Shires players and collectors. Looking for current Shires Bass Trombone separate components in stock? Browse our available Shires inventory here 🔎