Backun Model BMPHVBSIG-DS 'Shifrin' Signature Bb Clarinet Mouthpiece

Backun Model BMPHVBSIG-DS 'Shifrin' Signature Bb Clarinet MouthpieceBackun BMPHVBSIG DS Bb Clarinet Mouthpiece Overview The Backun BMPHVBSIG DS Shifrin Signature is a Signature Series Bb clarinet mouthpiece precision machined from proprietary marbled slate hard rod rubber and designed around David Shifrins performance and pedagogical standards, featuring a distinctive A Frame baffle exit and a medium long facing optimized for both synthetic and cane reeds. Backun BMPHVBSIG DS Bb Clarinet Mouthpiece Specifications

Backun BMPHVBSIG-DS Bb Clarinet Mouthpiece Overview

The Backun BMPHVBSIG-DS Shifrin Signature is a Signature Series Bb clarinet mouthpiece precision machined from proprietary marbled slate hard rod rubber and designed around David Shifrin’s performance and pedagogical standards, featuring a distinctive A-Frame baffle exit and a medium/long facing optimized for both synthetic and cane reeds.

Backun BMPHVBSIG-DS Bb Clarinet Mouthpiece Specifications

• Instrument: Bb Clarinet mouthpiece
• Series: Backun Signature Series (Shifrin Signature)
• Tip opening: 1.04 mm
• Facing: Medium/long
• Baffle: A-Frame baffle exit
• Material: Proprietary marbled slate hard rod rubber
• Manufacturing: Precision machined with Backun 3D stitch milling process
• Finish: Marbled slate hard rubber
• Case: Velvet pouch
• Accessories: Three self-lubricating o-rings; lightweight flat-head screwdriver

Condition & Setup

Brand new.

Who the BMPHVBSIG-DS Bb Clarinet Mouthpiece Is For

The Backun BMPHVBSIG-DS is a professional Bb clarinet mouthpiece built to deliver consistent response and flexibility for advanced players. Its medium/long facing is designed to pair effectively with both cane and synthetic reeds, supporting a stable feel across a wide range of dynamics and articulation styles.

As part of Backun’s Signature Series, this model reflects a modern mouthpiece design approach informed by leading clarinet artists and crafted with Backun’s proprietary marbled hard rod rubber and 3D stitch milling process for repeatable precision. The Shifrin Signature’s A-Frame baffle exit is a defining feature that distinguishes it within the Signature lineup.

Common Questions About The Backun BMPHVBSIG-DS

What tip opening is the Backun BMPHVBSIG-DS Shifrin Signature mouthpiece?

The BMPHVBSIG-DS has a 1.04 mm tip opening.

Is the BMPHVBSIG-DS designed for cane reeds, synthetic reeds, or both?

It is designed with a medium/long facing optimized for both synthetic and cane reeds.

What accessories are included with Backun Signature Series clarinet mouthpieces?

Backun Signature Clarinet Mouthpieces include three self-lubricating o-rings, a lightweight flat-head screwdriver, and a velvet pouch.

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