Schaller GrandTune Guitar Tuning Machine

The Schaller GrandTune combines stylish vintage aesthetics with precise tuning performance and velvet-smooth operation. Designed as an open-gear tuning machine with an exact worm gear mechanism, it provides an optimal blend of classic design and modern engineering.
Featuring an 18:1 gear ratio, it delivers superior tuning accuracy, stability, and durability. Built without synthetic polymer coatings, it establishes flawless stick-slip properties and optimal acoustic resonance across your instrument.
Each machine head utilizes permanently locked and sealed screw joints for wear-free, maintenance-free operation. Engineered to standard serial instrument dimensions, it ensures straightforward installation and seamless replacement.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Product Weight
0.11 lb
Weight per Single Tuner
0.63 oz (Koa), 0.67 oz (Pearloid), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean) including bushing
Button Dimensions (W x H x D)
0.8 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons)
Design
Open Gear