SKU: 50655253667

S.E. Shires Model Q38YR Q-Series Contrabass Trombone with Rotax Valves

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Description

S.E. Shires Model Q38YR Q-Series Contrabass Trombone with Rotax ValvesS. E. Shires STBQ38YR Contrabass Trombone Overview The S. E. Shires STBQ38YR is a Q Series contrabass trombone built for players who need depth, clarity, and control in a responsive, balanced instrument. With European style independent valve operation and precision Rotax rotary valves, it is designed to deliver an even, predictable response and smooth transitions across all registers, supporting both large scale power and refined articulation for

S.E. Shires STBQ38YR Contrabass Trombone Overview

The S.E. Shires STBQ38YR is a Q-Series contrabass trombone built for players who need depth, clarity, and control in a responsive, balanced instrument. With European-style independent valve operation and precision Rotax rotary valves, it is designed to deliver an even, predictable response and smooth transitions across all registers, supporting both large-scale power and refined articulation for modern orchestral and solo repertoire.

S.E. Shires STBQ38YR Contrabass Trombone Specifications

  • Instrument: Contrabass Trombone
  • Key: F/D/Bb/Ab (European tuning; independent valves)
  • Bore: .590 in
  • Valves: Rotax rotary valves
  • Bell: 10.5 in two-piece yellow brass detachable-flare bell with soldered bead
  • Finish: Clear lacquer
  • Series: Q-Series
  • Case: S.E. Shires case
  • Accessories: Mouthpiece and care kit

Condition & Setup

New. This instrument has been professionally serviced, set up, and play-tested to confirm proper slide function, valve alignment, and consistent response through the full valve combinations and range.

Who the STBQ38YR Contrabass Trombone Is For

The STBQ38YR is a European-tuned F/D/Bb/Ab contrabass trombone designed for advanced and professional trombonists who need contrabass power with controlled response and reliable valve technique. Its independent valve system favors using each valve on its own (rather than a dependent configuration), helping players avoid extended slide positions and move through technical passages with an efficient blend of valve and slide technique.

The .590 in bore and 10.5 in detachable-flare yellow brass bell are built to produce a rich, resonant tone with focused projection and a vibrant core. This configuration supports the agility required for modern repertoire and complex orchestral writing while maintaining the balance and mechanical consistency associated with S.E. Shires builds.

Common Questions About The S.E. Shires STBQ38YR

What does European tuning mean on the STBQ38YR?

European tuning on the STBQ38YR refers to an independent valve system in F/D/Bb/Ab where each valve is intended to be used independently, making common passages less dependent on extended slide positions and improving technical agility in modern orchestral and solo literature.

What is a Rotax Rotary Valve?

A Rotax valve is a specialized rotary valve design used on high-end brass instruments that helps bridge the gap between European and American tuning concepts. Its defining feature is a distinctive internal rotor geometry that begins relatively flat and transitions into an expanding shape, reducing air turbulence and allowing for smoother airflow back into the instrument. In practice, Rotax valves are prized for their light, fast action and the “solid core” they provide in the low register, a quality many players consider essential for contrabass performance. They also offer a notably centered and secure response, often feeling more stable than axial-flow valves while retaining quickness. As a result, Rotax valves combine the free-blowing efficiency of modern valve designs with the tactile feedback and clarity associated with traditional rotary systems.

What is the advantage of the detachable-flare bell?

The 10.5 in detachable-flare bell improves portability and supports flexibility in feel and response while retaining the core tonal characteristics of a two-piece yellow brass bell.

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

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Exchange/Return Notes
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SKU: 50655253667

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Ariel B.
Massapequa, US
★★★★★ 4
Heavy linen character, but a beautifully tailored suit!
Color: Beige, Size: 4, Color: Beige, Size: 4
This is a really nice linen suit! The jacket is beautifully made and well-tailored, with a fun speckled texture that has lots of pretty color variation (we ordered the beige). When I placed it side by side with a similar linen suit from another brand, the difference in the linen texture was really noticeable — this had a much stronger linen character that stands out! It has three useful pockets on the outside of the jacket, which is great for little hands. The only downside is that one of the inside pockets is just for show (faux), which was a bit surprising and somewhat disappointing for my little guy. The pants have pockets too, but they aren’t very deep — perfect for small treasures, but not much more. The pants are made from a lighter, thinner single-layer linen compared to the fully lined, double-layer jacket, which makes sense for comfort and easy movement. The pants didn’t come with a front crease ironed in, so you’ll want to press one yourself. The linen did pick up some creases from being folded in the package, but it doesn’t seem quite as wrinkly as some other linen fabrics I’ve tried. Still, like most linen clothes, especially for boys, the pants will need occasional ironing to keep them looking neat and crisp, especially after a day of play and general wear. The structured, lined jacket stays looking smoother and more put-together with less effort. It also came with a bow tie, a neck tie, and a tuxedo-style white shirt as extras. The ties aren’t great quality — they’d work fine for quick photos but probably won’t hold up to much actual wear. The formal white shirt feels a bit funny paired with the casual linen suit, but I don’t mind at all. We already have white shirts that we prefer, so we’ll use those instead. For us, the extras are really just bonus items we won’t plan on using. Overall, it’s a handsome little suit that’s perfect for special occasions like weddings, family photos, or holiday events. My kid looked adorable in it! The stronger linen texture on the jacket gives it a premium feel that I really like. Just be ready for a bit of extra care with the pants to keep everything sharp.
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Reviewed in the United States on April 8, 2026
C
chzgr8er
Louisville, US
★★★★★ 5
Great suit set
Color: Light Grey, Size: 4
It is incredibly attractive and includes everything a young child needs for a special occasion. The material is a 75% polyester and 25% linen blend, and the outer fabric feels remarkably smooth. Its unstructured design allows for an attractive, natural drape, and the blend conveniently allows for machine washing at home. As is typical with linen-based materials, the fabric can be naturally stiff and prone to wrinkling, so I recommend ironing or steaming it before use. The lightweight feel makes it an excellent choice for the spring, summer, and fall months. Overall, this suit offers exceptional value for the price.
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Reviewed in the United States on April 12, 2026
B
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Bridie
Birmingham, US
★★★★★ 5
Samsonite? I was way off!
Size: 8, Color: Light Blue, Size: 8, Color: Light Blue
Linen was a nice enough material and slightly distracted from the dumb&dumber blue motif. The regular suit material would have been a full homage. It is what he wanted so this was a fair compromise. Stats/ he is a size 8 in most brands, 51in and 60lbs. Purchased an 8. A size 7 would have been a better choice and more tailored look but this fit fine in the important places and he has room to grow. Short notice, quick shipping and fair quality for the price. May your Harry Dunne love it as much as mine did.
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Reviewed in the United States on May 8, 2026
M
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Maria Lopez
Birmingham, US
★★★★★ 5
Great price without skipping on quality.
Size: 12, Color: Light Green, Size: 12, Color: Light Green
Perfect for 8th grade dance. This 3 piece suit fit perfectly. It look so sharp for his dance. This would also be nice for a wedding. I plan on getting a few different colors the price makes it affordable but doesn't skip on quality.
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Reviewed in the United States on May 30, 2026
F
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Fadel Chayeb
Lexington, US
★★★★★ 5
Buena calidad
Size: 12, Color: Beige
Excelente calidad precio valor buen acabado
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Reviewed in the United States on March 4, 2026

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