Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single Guitar Tuning Machine combines classic vintage open-gear aesthetics with precise tuning stability and ultra-smooth operation. Designed without synthetic polymer coatings, its ultra-precise contact surfaces ensure optimal resonance, zero wear, and lasting acoustic performance.
Equipped with a refined 1:18 gear ratio, this machine head provides accurate pitch control and long-term durability. Permanently locked, sealed, and covered screw joints deliver completely maintenance-free performance on modern and vintage instruments alike.
Engineered to standard instrument dimensions for hassle-free installation and replacement, each single unit features countersunk screw holes to ensure firm anchoring and efficient sound transmission across the headstock.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
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 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)
Product Weight
0.11 lb