Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single guitar tuning machine delivers a refined combination of vintage aesthetics, precise tuning stability, and smooth performance. Engineered with an open gear and worm architecture, this tuner offers an 18:1 gear ratio for exceptionally accurate adjustments.
Crafted without synthetic polymer coatings, the contact surfaces provide stick-slip-free movement while preserving natural instrument resonance. Permanently locked and sealed screw joints ensure wear-free and maintenance-free longevity over years of regular playing.
Designed to fit standard production instruments, it features countersunk screw holes for solid mounting and optimal acoustic transfer. The tuner includes mounting screws and a hexagonal press-in bushing for solid headstock installations.
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 (Perloid), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean) including bushing
Button Dimensions (W x H x D)
0.80 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons)
Mounting Type
Screw-in with press-in bushing