XO XO1602RSS4
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Manufacturer Information
XO
https://www.xobrass.com
XOservice@khsmusic.com
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SAICO SAS
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A Bb Trumpet Designed for Today's Musician
The Bb trumpet remains the essential reference in wind orchestras, big bands, brass bands, studios, and conservatories: it is the most common format, the one on which intonation, endurance, and projection skills are most naturally developed. This model emphasizes versatility and fine tuning : the presence of multiple tuning slides and a kit of interchangeable piston components allows you to refine overall balance, resistance (the "blow"), and playing comfort according to your embouchure and repertoire.
For Which Musician and Styles?
This trumpet is well suited for intermediate to advanced players seeking an expressive, stable instrument capable of adapting to various contexts. In classical and brass band settings, it offers a clear attack and clean articulation; in jazz, variety, and contemporary music, the rose brass bell helps achieve a fuller timbre while maintaining the precision and projection expected from a silver finish. The luthier adjustment also facilitates the transition for a serious student or demanding amateur who wants to upgrade without losing time on setup.
Sound and Design
With an 11.66 mm bore, the instrument sits in a very balanced zone: enough openness to carry the sound and support the airflow, while maintaining comfortable resistance to work on intonation and note stability. The 122 mm rose brass bell provides a warmer sonic signature, with rich harmonics and a rounded midrange ideal for lyrical phrasing. The silver-plated brass body promotes precise attack and good ensemble clarity. The monel pistons, known for their durability, contribute to reliable mechanics, while the slide materials (nickel silver, chrome plating) support smoothness and longevity over time.
Recommended Compatible Accessories
To get the best from your trumpet, plan for essential universal items: piston oil, slide grease (tuning slide and main slides), trumpet snake/cleaning brush, and a microfiber cloth to preserve the silver finish. A trumpet stand is also very practical both at home and during rehearsals.
Technical specifications
| Level | Professional |
| Tone | Bb |
| Body material | Silver-plated brass |
| Color | Grey |
| Finishing | Silver |
| Key | Bb |
| Finish | Silver-plated |
| Bore | 11.66 mm |
| Double brace | No |
| Number of pistons | 3 |
| Piston material | monel |
| Springs | tempered steel |
| Piston buttons | gold lacquered |
| Tuning slide | brass / nickel silver |
| Outer tubes | nickel silver |
| Inner tubes | chrome-plated nickel silver |
| Reinforced slides | nickel silver |
| Piston chambers | two-piece |
| Bell diameter | 122 mm |
| Bell material | rose brass |
| Leadpipe | standard |
| Included accessories | 2nd tuning slide, case, mouthpiece, piston kit |
| Tuning slides provided | round and elliptical |
| Delivered with tuning slides | round and square |
| Kit contents | light springs, heavy piston caps, piston buttons, brass guides (interchangeable) |
Questions frequently asked
Is the XO XO1602RSS4 suitable for jazz and classical music?
This model is suitable for intermediate to advanced players, covering classical, brass band, jazz, pop, and contemporary music repertoires. Its 122 mm rose brass bell promotes a warm and rich midrange tone. The silver-plated brass body supports precise articulation in ensemble playing.
What is the bore size of this B-flat trumpet?
The bore is 11.66 mm, a size designed to combine projection with comfortable playing resistance.
What adjustments come with the trumpet?
Several interchangeable parts around the valves are included: light springs, heavy caps, valve buttons, and brass valve guides. Round, elliptical, and square tuning slides are mentioned among the supplied components. A second tuning slide is also included with the instrument.
What are the materials of the valves and slides?
The three valves are made of monel and use hardened steel springs. The outer tubes and reinforced slides are made of nickel silver, while the inner tubes are chrome-plated nickel silver.
What accessories come with this trumpet?
The instrument comes with a case, a mouthpiece, a second tuning slide, and a valve maintenance kit.



