Description
The Gleichweit B9-1 Bb clarinet mouthpiece is a medium-open Bb clarinet mouthpiece engineered for expressive playing, free response, and a full, projecting tone – comparable to the Vandoren B40 but with the added benefit of excellent synthetic reed compatibility.
Machined from your choice of high-grade synthetic material or hard rubber on advanced CNC equipment, the B9-1 delivers a consistent, open feel. The 1.24 mm tip opening provides a free-blowing response with a rich tonal palette suited to both classical and contemporary repertoire.
The built-in O-ring system ensures a secure, airtight fit while protecting the instrument tenon. The BES hard rubber version is supplied with a traditional cork-fitted tenon instead.
The B9-1 offers excellent flexibility across the full range of the clarinet, with reliable intonation, expressive dynamic range, and effortless register transitions. A popular choice for players looking to step up from a medium setup.
Every version of the B9-1 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 | SyntheticBlack | O-ring | $245 |
| BE – Premium Hard Rubber440–441 Hz | Premium hard rubber (ebonite)Black only | O-ring | $350 |
| B – Boehm441–442 Hz | SyntheticBlack | O-ring | $245 |
| BES – Hard Rubber440–441 Hz | Standard hard rubberBlack only | Cork | $320 |
Hard rubber versions: stock of the BE and BES models is limited, so we cannot send them out for testing and they are 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 | 22 mm |
| Tip opening | 1.24 mm |
| Clarinet type | Bb clarinet |
| Reed style | French facing |
- ✓Free, open response
- ✓Full, projecting tone
- ✓Expressive dynamic range
- ✓Reliable intonation across all registers
- ✓Excellent synthetic reed compatibility
The B9-1 is highly compatible with Légère synthetic reeds, as well as medium French cane reeds. A strength of 3 to 3.5 is typically ideal.
Légère French Cut
Vandoren V12
Vandoren Traditional
Vandoren Rue Lepic
D’Addario Reserve Classic
Pilgerstorfer
Leuthner
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