SKU: 50655253667

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

Sale price$3147.75 Regular price$3497.50
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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

Shipping Notes
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Exchange/Return Notes
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SKU: 50655253667

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JohnF
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★★★★★ 2
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Color: Blue, Color: Blue
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Reviewed in the United States on May 24, 2026
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Anne
Battle Creek, US
★★★★★ 5
Winner !!!
Color: Orange
This amazed us. For perspective, we're talking about a three year old white german shepherd who if he's in the mood, has and can kill a toy within minutes or oddly enough be gentle with furry balls and carry them around as if they are his babies. He's an odd duck. Anyway, since he was a pup, and to this day, he'll play and entertain himself, he'll grab a ball, throw it up in the air, then pounce on it as if it's from outer space. It's really quite cute and funny. Because of those two things I was looking for something interactive that would entertain him and confuse him....let's be honest, watching a confused dog is one of life's great pleasures. I tried two other interactive balls and they were crushed immediately. After reading a lot of reviews, people with german shepherds said this ball actually had a life span. I thought the third time could be the charm and ordered one. Well, I think it actually may be from outer space because he's obsessed with it and hasn't taken a bite out of it. He hasn't once chewed it or even teared little pieces off. The three settings are great. Sometimes he likes one better than another, then forgets about the others. I'll change it up to one he hasn't seen in a while and the whole game starts over again. He'll throw it up in the air as he does with his others, watch it and try to figure out which way it's going to go. And yes, he will pounce on it if he times it right. The size is perfect, it's heavier than your average ball but, that's what make it sturdy. I have to sneak it away when he isn't paying attention to charge it, otherwise he'll sit, stare and cry if he knows it's on the counter charging. It's a lot of fun for all of us. I'm so happy I bought it...... I say give this ball a chance even if you have a beast with killer instincts. I'm buying another for a friends 2 year old golden retriever granddog. Thank you Cheerble.
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Reviewed in the United States on January 9, 2026
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Gromper
San Leandro, US
★★★★★ 5
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Style: 14" Length Sport Launcher, Style: 14" Length Sport Launcher
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Bea
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MinimalistMom
Bozeman, US
★★★★★ 5
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