Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single Guitar Tuning Machine delivers the ultimate combination of refined vintage aesthetics, precise tuning stability, and ultra-smooth operation. Designed with open-gear architecture and a precision worm gear mechanism, it provides an exceptional 1:18 gear ratio for exacting adjustments.
Crafted without synthetic polymer coatings, this tuning machine maintains optimal acoustic resonance and wear-free interaction across your instrument headstock. The ultra-precise contact surfaces and permanently locked, sealed screw joints ensure long-lasting, maintenance-free performance.
Featuring recessed mounting screw holes for superior sound transmission and secure hold, this single tuning machine is engineered to match standard series instrument dimensions for straightforward replacement and installation.
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
0.04 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 (WxHxD)
0.8 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons)
Construction
Open Gear