Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated .

Sweetwater
$4,551.99
Reverb
5.0 (1)
$2,995.95 2 available Used
Thomann
5.0 (4)
$2,299.00 $2,290.00 $9.00 · All time low

Price History

Based on price data from 2 merchants for "Yamaha YBL-421G Intermediate Bass Trombone". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Yamaha YBL-421G Intermediate Bass Trombone is the ideal choice for aspiring musicians ready to explore the deep, resonant world of bass trombone sound. Designed to bridge the gap between beginner and professional models, this trombone offers a blend of playability and performance that caters to both advancing students and seasoned players. The 9.5-inch gold brass bell is a standout feature, delivering a rich, expansive tone that projects beautifully across any ensemble setting. The trombone’s 0.563-inch bore aids in developing proper breath support, ensuring that your sound is both powerful and precise.

The YBL-421G is equipped with an F attachment, extending your range into the lower register with ease. This feature, combined with a semi-open wrap design, reduces air resistance for smoother playability. The hand-lapped rotary valve ensures seamless transitions, while the fixed gold brass leadpipe and nickel silver inner slides offer durability and a fluid playing experience. Yamaha’s commitment to quality shines through in every detail, making the YBL-421G a reliable companion on your musical journey.

Key Features:

  • Intermediate-level bass trombone
  • 0.563-inch bore for enhanced breath support
  • 9.5-inch gold brass bell for rich tonal projection
  • F attachment for expanded lower range
  • Semi-open wrap design for reduced resistance
  • Yellow brass outer slide with nickel silver inner slides
  • Lacquer finish for a warm tone and easy maintenance
  • Includes Yamaha 58 mouthpiece and protective case

Product specs

Key Bb with F Attachment
Type Bass
Wrap Semi-open
Valve Single Rotor, Hand Lapped, Michanical Linkage
Level Intermediate
Bore 0.563"
Bell 9.5"
Bell Material Gold Brass
Inner Slide Chrome-plated Nickel Silver, Drawn
Outer Slide Yellow Brass, Drawn, 1-piece
Leadpipe Fixed
Leadpipe Material Gold Brass
Mouthpiece Yamaha 58
Receiver Large Shank
Additional Features Pluzuma Welded Bell
Case/Bag BLC-320 Hardshell Case

FAQs

What is the key and tuning of the Yamaha YBL-421G Intermediate Bass Trombone?

The Yamaha YBL-421G is keyed in Bb with an F attachment, providing a versatile range suitable for various musical styles.

What material is the bell of the Yamaha YBL-421G made from, and how does it affect the sound?

The bell is made from gold brass, which typically offers a warm, rich tone with excellent projection, ideal for ensemble and solo performances.

Is the Yamaha YBL-421G suitable for intermediate players?

Yes, the Yamaha YBL-421G is designed as an intermediate bass trombone, providing features like a single rotor and a semi-open wrap to facilitate playability and sound quality for advancing musicians.

What type of slide does the Yamaha YBL-421G feature?

The Yamaha YBL-421G has a chrome-plated nickel silver inner slide and a yellow brass outer slide, both drawn, which ensures smooth action and durability.

Does the Yamaha YBL-421G come with a case?

Yes, the Yamaha YBL-421G includes a BLC-320 hardshell case, providing protection and easy transport for the instrument.

Schmitt Music Trombone Shop

Schmitt Music Trombone Shop

Yamaha YBL-421G Bass Trombone Demo

Video thumbnail for Yamaha YBL-421G Bass Trombone Demo by Schmitt Music Trombone Shop

Yamaha YBL-421G Bass Trombone Demo

Schmitt Music Trombone Shop

Schmitt Music Trombone Shop

Reviews

PROS

  • Excellent response and easy playability across all registers

  • High-quality build and precise finish improvements over older models

  • Lightweight design due to single valve, reducing fatigue in extended sessions

  • Smooth and effortless slide movement enhances performance

  • Solid sound projection with a 9.5" bell, matching powerful instruments

  • Narrow slide design offers comfortable handling

  • Fair price for the quality offered

  • Convenient case with storage for accessories

CONS

  • Limited to single valve, cannot play low B without additional effort

  • Closed wrap design may not suit preferences for airflow and resistance

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Yamaha YBL-421G Intermediate Bass Trombone.

Features and functionality

  • Single trigger bass trombones like the Yamaha YBL-421G have the same range as trigger tenor trombones, limited to down to C2.

    Source

Comparisons

  • Double trigger bass trombones extend range down to B1 or Bb1 compared to single trigger models.

    Source
  • It's noted that Yamaha trombones historically have thicker metal bells, once jokingly compared to the sound of Yamaha motorcycles.

    Source

User experience

  • Owners report no significant difference in sound between the Yamaha YBL-421G and tenor trombones, except the bass trombone may be slightly louder.

    Source

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