Description
The Gleichweit B6-5 Bb clarinet mouthpiece is a precision-crafted Bb clarinet mouthpiece with a closed tip opening – optimised for both cane and synthetic reeds, offering controlled response, focused tone, and reliable intonation.
Machined on advanced CNC equipment from your choice of high-grade synthetic material or hard rubber, the B6-5 delivers exceptional consistency. Its shorter facing creates a quick, immediate response – ideal for players who want precise articulation with minimal effort.
The built-in O-ring system ensures a secure, airtight fit while protecting the instrument tenon.
Versatile enough for orchestral, chamber, and ensemble playing, the B6-5 holds its own in any setting that demands tonal clarity and dependable intonation.
Every version of the B6-5 shares the same facing and tip opening – only the material, the tenon fitting and the tuning pitch differ. Select your version in the Bore menu above.
| Version | Material | Tenon | Price |
|---|---|---|---|
| BW – Boehm440–441 Hz | Synthetic7 colours | O-ring | $245 |
| BE – Premium Hard Rubber440–441 Hz | Premium hard rubber (ebonite)Black only | O-ring | $350 |
| B – Boehm441–442 Hz | Synthetic7 colours | O-ring | $245 |
BE Premium version: stock of the BE model is limited, so we cannot send it out for testing and it is not part of our test-before-buying program. Buy the one you would like to try, play it at home, and return it within 3 days of delivery if it is not the right fit.
| Facing length | 20 mm |
| Tip opening | 1.12 mm |
| Clarinet type | Bb clarinet |
| Reed style | French facing |
- ✓Quick, immediate response
- ✓Focused, controlled tone
- ✓Excellent intonation stability
- ✓Crisp articulation across all registers
- ✓Well-suited to synthetic reeds
The B6-5 performs excellently with both cane and synthetic reeds, especially with Légère cuts designed for shorter facings.
Légère French Cut
Vandoren V12
Vandoren Traditional
Vandoren Rue Lepic
D’Addario Reserve Classic
Pilgerstorfer
Leuthner






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