Yamaha YSL-448G Intermediate Trombone Overview

The Yamaha YSL-448G is a Bb tenor trombone with F attachment built for advancing players who want professional-format features in an intermediate instrument. It combines a .547 inch bore with an 8-1/2 inch gold brass bell and a semi-open wrap design to support a broad, centered tenor-trombone sound with solid projection and flexible response across registers.

Yamaha YSL-448G Intermediate Trombone Specifications

• Key: Bb with F attachment
• Bore: .547 inch
• Bell: 8-1/2 inch gold brass, seamless construction
• Inner slide: Chrome-plated nickel silver
• Outer slide: Yellow brass
• Wrap: Semi-open wrap
• Slide lock: Yes
• Finish: Lacquer
• Case: Yamaha SLC-210 case included
• Accessories: Care kit and Yamaha 48 mouthpiece

Condition & Setup

This instrument is brand new and carries the full manufacturer's warranty. As an authorized Yamaha dealer, we deliver each new trombone with professional set up and play-testing prior to shipment.

Who the YSL-448G Intermediate Trombone Is For

The Yamaha YSL-448G is an intermediate Bb/F tenor trombone designed for students and advancing musicians who need an F-attachment instrument for ensemble, orchestra, wind band, and jazz literature. Its .547 bore and 8-1/2 inch gold brass bell support a full, warm tenor sound with the stability and range expected from a large-bore trombone.

The YSL-448G stands out in its category by pairing gold brass bell material and a seamless bell construction with a semi-open wrap and durable slide materials, giving players a professional-style platform while staying within an intermediate model range. It is a practical choice for players moving into more demanding repertoire that requires the F attachment and large-bore feel.

Common Questions About the Yamaha YSL-448G

Is the Yamaha YSL-448G a Bb/F trombone?

Yes. The YSL-448G is a Bb tenor trombone with an F attachment, allowing extended low range and alternate positions for improved facility in technical passages.

What size is the bore and bell on the YSL-448G?

The YSL-448G has a .547 inch bore and an 8-1/2 inch gold brass bell.

What comes with the Yamaha YSL-448G?

It includes a case, a care kit, and a Yamaha 48 mouthpiece, and it is covered by the full manufacturer's warranty.

We are proud to be an authorized Yamaha dealer