S.E. Shires Q39GR Contrabass Trombone Overview

The S.E. Shires Q39GR is a professional Q Series contrabass trombone designed for low-brass players who need a modern instrument with American-style valve tuning and flexible access to the contrabass register. Its independent Rotax valve system, detachable gold brass bell, and modular Shires design reflect a focused orchestral sound concept with substantial breadth and clear low-register articulation.

S.E. Shires Q39GR Contrabass Trombone Specifications

• Instrument Type: Professional contrabass trombone
• Key and Tuning: F/C/Db/A American tuning
• Bell: 10.5-inch two-piece hand-hammered detachable gold brass bell with soldered bead
• Bore Size: .590 inch
• Valves: Two independent Rotax rotary valves
• Finish: Original clear lacquer
• Leadpipe: One interchangeable leadpipe
• Case: Fitted S.E. Shires backpack case with carrying handles and wheels
• Accessories: Laskey 105C large-shank mouthpiece, valve oil, trombone slide lubricant, tuning-slide lubricant, and polishing cloth
• Serial Number: Q24509

Condition & Setup

This lightly used model is in excellent playing order and presents in excellent cosmetic condition, with only minimal evidence of handling. It has been professionally serviced, set up, and play-tested by The Mighty Quinn Brass and Winds. The slide, dual Rotax valve section, linkage, hand support, and water-key hardware are complete, and the polished surfaces remain well preserved. The fitted wheeled case, Laskey mouthpiece, and maintenance supplies are included.

Who the Q39GR Contrabass Trombone Is For

The Q39GR is intended for professional low-brass players, advanced students, and specialists who need a dedicated contrabass trombone for orchestral, studio, opera, and large-ensemble work. The gold brass bell supports a broad, warm tonal profile, while the large bore and independent valve layout suit players seeking an expansive response with multiple low-register fingering choices. Its American tuning distinguishes it from European-tuned contrabass designs and should be considered in relation to the player's preferred valve combinations and repertoire.

Common Questions About the S.E. Shires Q39GR

How does the Q39GR differ from the Q38GR?

The Q39GR uses American F/C/Db/A tuning, while the Q38GR uses European F/D/Bb/Ab tuning. The choice primarily affects valve combinations, low-register position strategy, and compatibility with a player's established contrabass technique.

What does the gold brass bell contribute to the sound concept?

Gold brass bells are generally associated with a broader, warmer tonal color and a softer edge than comparable yellow brass bells. The final result still depends on the player's air, articulation, mouthpiece, and ensemble setting.

What are the advantages of the independent Rotax valve system?

Each valve can be used independently or in combination, expanding the available pitch and slide-position choices in the low register. Rotax valves are designed to maintain an open airflow through the valve section, an important consideration on a large-bore contrabass trombone.

We are proud to be an authorized S.E. Shires dealer