Backun Fatboy A/Bb Clarinet Barrel Overview

The Backun Fatboy is a 64mm grenadilla-wood barrel for A and Bb clarinets in a standard fit, designed to give players a flexible, adaptable response across a wide range of repertoire and performance settings. Backun’s best-selling barrel, it is widely chosen by artists who move between orchestral, chamber, and jazz work, and it ships as a complete package with protective storage components.

Backun Fatboy A/Bb Clarinet Barrel Specifications

• Instrument: A/Bb clarinet barrel
• Material: Grenadilla (African blackwood)
• Length: 64mm
• Fit: Standard fit
• Compatibility (standard fit pairs with): Backun, Buffet, Yamaha, Leblanc, Selmer USA (Centered Tone, 10G, Series 9)
• Finish: Natural wood (grenadilla)
• Velvet bag and barrel tube

Condition & Setup

Brand new. 

Who the Fatboy Clarinet Barrel Is For

The Backun Fatboy is a grenadilla clarinet barrel designed for A and Bb clarinets that helps players fine-tune response, feel, and overall flexibility without changing the instrument’s core identity. It is well suited to clarinetists who are called on to interpret many styles of music and want one barrel that can cover orchestral literature, chamber playing, and jazz or commercial work with consistent control.

In Backun’s lineup, the Fatboy is known for its versatility and broad usability, which is why it remains the brand’s best-selling barrel. Note: In Japan, this model is known as the Backun Barrel.

Common Questions About The Backun Fatboy

What clarinets does the Backun Fatboy Standard Fit barrel fit?

The Standard Fit Fatboy pairs with many common A and Bb clarinets, including Backun, Buffet, Yamaha, Leblanc, and Selmer USA models such as Centered Tone, 10G, and Series 9.

What length is this Fatboy barrel?

This is the 64mm version of the Fatboy barrel.

What is included with the Backun Fatboy barrel?

Included are one grenadilla barrel, one velvet bag, and one barrel tube for storage and transport.

We are proud to be an authorized Backun dealer