Yamaha YTR-8345IIRS Bb Trumpet Overview

The Yamaha YTR-8345IIRS is a Custom Xeno Series professional large bore Bb trumpet designed to deliver a controlled blend of power, projection, and flexibility, built from Yamaha's modern manufacturing precision and long-term artist collaboration. With a .462 inch bore, one-piece 4-7/8 inch yellow brass bell, reversed leadpipe, and silver plate finish, it is engineered for refined response and resistance characteristics that support a wide range of tonal colors and musical contexts.

Yamaha YTR-8345IIRS Bb Trumpet Specifications

• Key: Bb
• Bore: .462 inch (large bore)
• Bell: One-piece 4-7/8 inch yellow brass
• Leadpipe: Reversed
• Pistons: Monel
• Main tuning slide: Brace
• Finish: Silver plate
• Case: Yamaha case
• Accessories: Yamaha 16C4 mouthpiece, valve oil, cleaning cloth

Condition & Setup

Brand new with full manufacturer's warranty. This instrument is inspected, professionally set up, and play-tested by our shop prior to shipping.

Who the YTR-8345IIRS Bb Trumpet Is For

The Yamaha YTR-8345IIRS Bb trumpet is a professional large bore Bb trumpet built for players who need reliable projection, centered response, and a wide range of tonal flexibility in demanding performance settings. As part of the Custom Xeno Series, it reflects Yamaha's design process that combines advanced technology with ongoing input from respected artists, with the aim of supporting ideal musical expression across evolving performance needs.

This model is well suited to professional orchestral and wind ensemble work, commercial playing that requires clarity and carrying power, and advanced students preparing for conservatory or performance-track programs. The reversed leadpipe and large bore layout favor a responsive, efficient blow with controlled resistance, while the one-piece yellow brass bell helps define core and presence that can be shaped across dynamic ranges.

Common Questions About the Yamaha YTR-8345IIRS

Is the Yamaha YTR-8345IIRS suitable for professional use?

Yes. The YTR-8345IIRS is a Custom Xeno Series Bb trumpet designed as a professional model, with large bore .462 inch dimensions, a one-piece bell, and Monel pistons for consistent performance and durability under regular professional use.

What does 'reversed leadpipe' mean on the YTR-8345IIRS?

A reversed leadpipe design places the tuning slide over the leadpipe rather than the leadpipe over the tuning slide. On many trumpets this can contribute to a smoother feel in the initial response and can slightly change how resistance is distributed through the instrument.

What comes with the Yamaha YTR-8345IIRS?

This trumpet includes the Yamaha case and a Yamaha 16C4 mouthpiece, and it is covered by the full manufacturer's warranty.

We are proud to be an authorized Yamaha dealer