Schaller GrandTune Guitar Tuning Machine

The Schaller GrandTune combines refined vintage styling with precise tuning response and smooth operation. Designed as a perfected open-gear tuning machine, it features precision-cut gears and worm shafts engineered for enduring performance.
A high-precision 1:18 gear ratio provides outstanding tuning stability, fine adjustments, and longevity. Built without synthetic coatings, the tuning machine maintains direct acoustic contact and resonance across your instrument's headstock.
Constructed with permanently locked and sealed screw connections, the unit offers wear-free and maintenance-free functionality. Countersunk screw holes ensure secure mounting and optimal acoustic transfer for high-end instruments.
Model
GrandTune Single (GT-Single)
Gear Ratio
1:18
Weight per Machine
0.04 lb (Koa), 0.04 lb (Perloid), 0.04 lb (Galalith, Ebony), 0.05 lb (Snakewood), 0.06 lb (Butterbean) including press-in 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)
Product Weight
0.11 lb
Brand
Schaller
Product Type
Guitar Tuning Machine