Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune combines stylish vintage design with precise tuning behavior and velvet-smooth performance. This perfected open-gear tuning machine features an open worm gear design engineered without synthetic coatings, creating a resonant unit that enhances the natural acoustic qualities of your instrument.
An ultra-precise 1:18 gear ratio delivers exceptional tuning accuracy, stability, and durability. Contact surfaces and precision-machined fits provide smooth stick-slip properties without polymer coatings, eliminating wear and aging while permanently locked and sealed screw joints guarantee maintenance-free operation.
Designed around standard factory instrument dimensions for straightforward installation and replacement, each single unit features countersunk screw holes for solid anchoring and optimal tonal transfer.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Single Guitar Tuning Machine
Gear Ratio
1:18
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)
Total Weight
0.11 lb