GrandTune®  hypertech tuning – vintage design – superior tuning.

With its cutting edge Velvet-Tec* technology, due to its revolutionary concept, the GrandTune® offers a precision and longevity second to none.

The avoidance of synthetic coatings makes GrandTune® a perfectly resonating entity.

With its wear-free architecture GrandTune® will last and shine for the life of your precious guitar.

Experience Velvet-Tec and find out how sound quality, tuning stability and performance define GrandTune® as the Superior Tuning Machine.

*scientific analysis supported by Fraunhofer Institutes and others

18 : 1 gear ratio supports precise and velvet- smooth tuning. Hyper- accurate gear joints and fittings without polymer coatings present perfect stick-slip-performance and zero wear and slackening.
GrandTune® features permanently locked, sealed and covered screw joints for zero degradation and maintenance-free performance.
New formula bell brass gearwheels guarantee velvet-smooth feel and touch
Standard dimensions for easy installation.
Countersunk screw holes for solid fit and perfect sound coupling