A Professional Trumpet Built to Evolve With You
There's a reason working players keep coming back to the Yamaha Xeno line. The YTR-8335IIS isn't trying to impress you with flashy looks — it's doing the work in rehearsal rooms, concert halls, and jazz stages where consistency and response actually matter. Pick it up, and the first thing you'll notice is how it just plays. The action is snappy, the intonation locks in, and the tone has that focused, authoritative core that players spend years chasing.
The "IIS" designation tells you exactly what you're getting: medium-large bore, one-piece yellow brass bell, and a silver-plated finish. This is the Xeno that draws players who want a powerful, centered sound with the clarity and projection to cut through an ensemble without forcing it.
Whether you're a conservatory-trained pro or a dedicated orchestral player looking to step up your game, the YTR-8335IIS is built to grow with you — not cap you out.
Bell and Bore: Where the Sound Starts
The YTR-8335IIS uses a one-piece, 4-7/8-inch yellow brass bell with an annealed design. That single-piece construction contributes to a focused tonal core and more accurate slotting, while the annealing process gives the bell a warmer, more responsive feel at the rim. The result is a sound that has real presence without becoming harsh or pinched under pressure.
The .459-inch medium-large bore sits in a sweet spot — large enough to push a full, weighty sound, but not so open that it loses its edge in the upper register. Players often find this bore size particularly well-suited to symphonic and commercial work, where projection and control need to coexist.
Valves, Valve Casing, and the Branch Tube Angle
The Monel alloy pistons are hand-lapped and housed in an extra-thin valve casing. Monel is prized for its resistance to corrosion, moisture, and wear — these valves will stay fast and air-tight through years of serious use. The extra-thin casing and the modified angle of the branch tube (knuckle) work together to fine-tune airflow through the horn, resulting in a snappy, responsive feel that players who care about articulation will immediately appreciate.
The one-piece drawn leadpipe delivers consistent breath resistance and a solid core tone — no surprises, just reliable response every time you bring the horn to your lips.
Player-Focused Details That Add Up
The first valve slide saddle makes quick intonation adjustments easy in the moment — no interrupting your playing to dig into the horn. The increased height of the main slide water key gutter and the curled water key spring ends are small refinements that improve overall response in ways you feel more than you see. This is the kind of instrument where the details have clearly been thought through by people who actually play.
The silver-plated finish gives the YTR-8335IIS a clean, brilliant look to match its bright, focused character. It's a heavyweight instrument — designed for players who want a horn that sounds like it means it.
Product Features:
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Key: Bb
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Bore: Medium-large, 0.459" (11.65mm)
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Bell: One-piece yellow brass, 4-7/8" (123mm) diameter, annealed
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Finish: Silver-plated
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Valves: Monel alloy pistons, extra-thin valve casing
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Leadpipe: One-piece drawn brass leadpipe
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First valve slide saddle for on-the-fly tuning adjustments
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Third valve slide ring included
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Modified branch tube (knuckle) angle for improved response and blowing resistance
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Optimized water key gutter height with curled spring ends for improved response
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Weight: Heavy
Brand: Yamaha
Model: YTR-8335IIS Xeno
SKU: YTR-8335IIS
Condition: New
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