Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single delivers a refined blend of classic open-gear vintage aesthetics and ultra-precise tuning performance. Engineered with a 1:18 gear ratio, this premium tuning machine ensures smooth, exact adjustments and exceptional tuning stability. Designed without synthetic polymer coatings, it allows direct metal-to-metal contact and unhindered sound transmission for maximum acoustic resonance.
Crafted for long-lasting durability, the GrandTune features permanently locked, sealed, and covered screw joints that provide wear-free, maintenance-free operation. Its recessed screw holes guarantee a secure, firm fit directly on the headstock, promoting optimal vibration transfer and eliminating play.
Designed to fit standard factory instrument dimensions, this single tuning machine enables effortless installation and replacement. It comes complete with precision mounting screws and a hexagonal press-in bushing for solid headstock configurations, making it an ideal upgrade for demanding guitarists and luthiers.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Weight
0.11 lb
Button Dimensions (Butterbean)
0.8 x 0.54 x 0.41 in
Button Dimensions (Standard)
0.69 x 0.54 x 0.24 in
Bushing Outer Diameter
0.35 in
Bushing Inner Diameter
0.24 in
Screw Size
M2.2 x 0.43 in