GrandTune superior tuning machinesGrandTune hypertech tuning vintage designWith its cutting edge Velvet-Tec* technology the all new Schaller GrandTune is the ultimate combination of tasteful design and velvet-smooth feel and touch.Due to its revolutionary conception 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 is bound to last and shine as long as your precious guitars ever will and far beyond!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 others18 : 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 maintainance-free performance.New formula bell brass gearwheels gurantee velvet-smooth feel and touchStandard dimensions for easy installation.Countersunk screw holes for solid fit and perfect sound coupling.GrandTune the most advanced and musical machine head ever built!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 others18 : 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 maintainance-free performance.New formula bell brass gearwheels gurantee velvet-smooth feel and touchStandard dimensions for easy installation.Countersunk screw holes for solid fit and perfect sound coupling.