Schaller GrandTune Guitar Tuning Machine

The Schaller GrandTune represents the ultimate fusion of refined vintage design, pinpoint tuning precision, and velvet-smooth performance. Crafted as a perfected classic open-gear tuning machine, it features an ultra-precise 1:18 gear ratio that delivers exceptional accuracy, durability, and resonance across various instrument types without synthetic polymer coatings.
Engineered with zero-wear contact surfaces, permanently sealed joints, and countersunk screw holes, this tuner ensures stable tone transfer and maintenance-free longevity. Its construction adheres to standard production instrument dimensions to facilitate effortless installation and seamless retrofitting.
Equipped with optimized contact surfaces and precise fittings, the GrandTune minimizes friction and noise during operation while maintaining flawless acoustic connection with your instrument's headstock.
Brand
Schaller
Product Type
Guitar Tuning Machine
Model
GrandTune Single Machine Head (GT-Single)
Gear Ratio
1:18
Design
Open-Gear
Button Dimensions
0.8 x 0.54 x 0.41 in. (Butterbean), 0.69 x 0.54 x 0.24 in. (all other buttons)
Weight per Unit
0.04 lb (Koa), 0.04 lb (Perloid), 0.04 lb (Galalith, Ebony), 0.05 lb (Snakewood), 0.06 lb (Butterbean) including bushing
Product Weight
0.11 lb