Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single Guitar Tuning Machine delivers an exceptional blend of elegant vintage design, precise tuning accuracy, and ultra-smooth operation. Crafted with an open-gear architecture and precise worm gear pairing, it offers timeless aesthetics combined with modern engineering standards.
Featuring a precise 1:18 gear ratio, this tuning machine provides unmatched tuning stability and longevity. The construction avoids synthetic polymer coatings on friction surfaces to maximize acoustic resonance across any instrument, ensuring optimal sound transmission and enduring performance.
Built with permanently locked, sealed screw joints for maintenance-free reliability, the GrandTune is engineered around standard factory dimensions for straightforward installation and direct replacement on high-end instruments.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Weight per Single Tuner
0.63 oz (Koa), 0.67 oz (Perloid), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean) including bushing
Button Dimensions
0.80 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons)
Overall Weight
0.11 lb