S.E. Shires STBK30 K-Series Large Bore Trombone Overview

The S.E. Shires STBK30 K-Series is a large-bore tenor trombone built to deliver the rich tonal character and dependable response associated with the Shires playing experience, with a premium feel suited to advancing players and serious performers. Its 8.5-inch two-piece hand-hammered yellow brass bell supports a resonant, projecting sound with clear core and warmth, while the open-wrap F-attachment with rotary valve provides an even, consistent response through the valve register. The .547-inch large-bore slide with a nickel-silver wide crook keeps articulations clean and fluid, supporting secure upper-register focus and low-range ease across ensemble and solo settings.

S.E. Shires STBK30 K-Series Large Bore Trombone Specifications

• Instrument type: Tenor trombone with F-attachment
• Key: Bb/F
• Bore: .547-inch
• Bell: 8.5-inch, two-piece, hand-hammered yellow brass with soldered bead
• Valve: Rotary F valve; open-wrap F-attachment
• Slide material: Standard-weight yellow brass outer slide; nickel-silver wide crook
• Engraving: S.E. Shires makers mark and traditional floral pattern
• Finish: Clear lacquer
• Case: S.E. Shires backpack case
• Accessories: Laskey Protege 5 mouthpiece; Ultra-Pure maintenance kit
• Serial number: K50130

Condition & Setup

This instrument is an open box demo model with little evidence of use. It has been professionally serviced, set up, and play-tested to confirm proper slide action, valve function, and overall performance.

Who the STBK30 Large Bore Trombone Is For

The S.E. Shires STBK30 is a .547-inch large-bore Bb/F tenor trombone designed for players who want a modern Shires-style feel and response in a versatile, performance-focused instrument. It is well suited to advancing students, university musicians, and working performers who need a dependable large-bore trombone for concert band, orchestra, brass ensemble, and commercial settings.

Within the large-bore category, the STBK30 is distinguished by its 8.5-inch hand-hammered yellow brass bell for a clear, warm tonal center and its open-wrap rotary F-attachment for smooth transitions and consistent resistance through the valve register. The responsive handslide with a nickel-silver wide crook supports clean articulation and stable intonation, especially when moving between registers.

Common Questions About The S.E. Shires STBK30

Is the S.E. Shires STBK30 suitable for professional use?

Yes. The STBK30 is a large-bore Bb/F tenor trombone with an 8.5-inch hand-hammered yellow brass bell and an open-wrap rotary F-attachment, a standard setup for professional and pre-professional concert and orchestral playing.

What does “large bore” mean on the STBK30?

Large bore refers to the .547-inch slide bore size, which is commonly used for orchestral and concert-band tenor trombone because it supports a broader dynamic range, strong projection, and a stable, focused sound.

What is included with this STBK30?

This listing includes the S.E. Shires case, a Laskey mouthpiece, and an Ultra-Pure maintenance kit.

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