Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single guitar tuning machine delivers a refined combination of vintage aesthetics, precise tuning action, and smooth performance. Engineered with an open gear and worm architecture, it provides an ultra-precise 1:18 gear ratio for stable, wear-free operation without synthetic polymer coatings.
Crafted to fit standard serial instrument dimensions, this tuning machine features permanently locked, sealed screw joints that ensure maintenance-free longevity. Countersunk mounting holes provide firm mechanical anchoring and direct resonance transfer directly to the headstock.
Equipped with high-grade components designed to eliminate tuning friction, the GrandTune Single guarantees consistent pitch accuracy and reliable performance across various string configurations and headstock styles.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Design
Open Gear
Product Weight
0.11 lb
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)
Button Dimensions (Butterbean)
0.80 x 0.54 x 0.41 in
Button Dimensions (Standard)
0.69 x 0.54 x 0.24 in