Schaller GrandTune Guitar Tuning Machine

The Schaller GrandTune combines refined vintage aesthetics with precise tuning performance and velvety smooth action. This open-gear tuning machine features a classic worm gear design engineered to provide flawless resonance and lasting tuning stability.
Equipped with a precise 1:18 gear ratio, the tuning machine delivers exceptional tuning accuracy without synthetic coatings, allowing optimal acoustic coupling. The permanently locked, sealed, and wear-free components ensure reliable performance and maintenance-free operation over the lifetime of your instrument.
Designed to fit standard instrument dimensions for effortless installation and replacement, the GrandTune includes countersunk screw holes that guarantee a secure fit and ideal sound transfer.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Design
Open Gear
Product Weight
0.67 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)