Description
The Gleichweit B9-5 Bb clarinet mouthpiece is a medium-open Bb clarinet mouthpiece with a compact 21 mm facing – delivering immediate response, full tonal body, and the expressive freedom of an open tip in a quick, precise package.
Machined from your choice of high-grade synthetic material or hard rubber on advanced CNC equipment, the B9-5 pairs a 1.21 mm tip opening with a short facing. This produces a faster, more direct response than longer-facing medium-open models – similar in concept to the Vandoren B40L.
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 B9-5 delivers clear articulation, reliable intonation, and a full, projecting tone that works equally well in fast technical passages and lyrical playing.
Every version of the B9-5 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 | 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 | 21 mm |
| Tip opening | 1.21 mm |
| Clarinet type | Bb clarinet |
| Reed style | French facing |
- ✓Immediate, direct response
- ✓Full tonal body
- ✓Clear articulation
- ✓Reliable intonation
- ✓Versatile across tempos and styles
The short facing of the B9-5 suits medium-hard reeds well. Vandoren Traditional and V12 in strength 3–3.5 are recommended.
Légère French Cut
Vandoren V12
Vandoren Traditional
Vandoren Rue Lepic
D’Addario Reserve Classic
Pilgerstorfer
Leuthner
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