Contraforte
- redesigned contrabassoon, in collaboration with Guntram Wolf, Kronach
- written range A1 – G 5, sounding A0 – G 4
- wide bore for a voluminous tone
- large toneholes for a free response and a large dynamic range
- completely redesigned acoustical concept with a precisely shaped bore taper for an exact intonation
- reconfigured body sections for an improved radiation of sound and fingering positions
- new key bearings in synthetic sleeves for a silent key action
- push rods for easy key action without friction
- half-hole mechanism for a clean, noise-free octave for F# and G3
- automatic octave keys from Ab3 to F4
