Yamaha YBL-421G Intermediate Bass Trombone

Bring Professional Bass Trombone Qualities Within Reach with the Yamaha YBL-421G Intermediate Bass Trombone

Yamaha's Intermediate 421G model bass trombone features many qualities from Yamaha's top professional models at an affordable price. A semi-open wrap gives this intermediate level bass trombone a smoother airflow and open sound.

SPECIFICATIONS

• Level: Step-Up
• Key of: Bb / F
• Bore: LL: 0.563-inch
• Bell Diameter: 9 1/2-inch
• Shank: Large
• Leadpipe: Gold Brass; Fixed
• Body Material: Yellow Brass
• Bell Material: Gold Brass; Plazma welded
• Weight: Standard
• Finish: Clear Lacquer
• Inner Slide: Chrome-plated nickel silver; Drawn
• Outer Slide: Yellow Brass; Drawn; One-piece
• Mouthpiece: 58
• Features: F-attachment
• Pistons/Rotors: Single rotor; Hand lapped; Mechanical linkage

We are Musictoner Musictoner

Since 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.