Description
The Gleichweit B7-4 Bb clarinet mouthpiece is one of our most popular Bb clarinet mouthpieces – designed for clarinetists who demand top-tier quality with both French-style cane reeds and synthetic reeds. A balanced combination of free response, precise control, and rich tonal depth.
The most popular model in the Gleichweit line, the B7-4 is precision-crafted on advanced CNC machinery from high-grade synthetic material. Designed for players who prefer a closed tip opening similar to the Vandoren BD5, this mouthpiece offers an ideal balance of control, projection, and tonal richness.
The built-in O-ring system ensures a secure, airtight fit while protecting the instrument tenon.
The B7-4 delivers a centered, resonant tone with quick articulation, stable resistance, and excellent flexibility across all registers. It performs equally well in orchestral, chamber, and solo settings, with reliable response in the altissimo and a wide dynamic range.
Bestseller
Played by Jose Franch-Ballester, David Griffiths and many other international clarinetists.
Technical Specifications
| Facing length | 22 mm |
| Tip opening | 1.16 mm |
| Clarinet type | Bb clarinet |
| Reed style | French facing |
Character
- ✓Free, effortless response
- ✓Precise control across all registers
- ✓Warm, projecting tone
- ✓Stable intonation
- ✓Expressive dynamic range
Recommended Reeds
The B7-4 performs exceptionally well with Légère synthetic reeds – making it a favorite among clarinetists who prefer effortless playability with synthetic materials.
Légère French Cut
Vandoren V12
Vandoren Traditional
Vandoren Rue Lepic
D’Addario Reserve Classic
Pilgerstorfer
Leuthner








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