Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single tuning machine combines classic vintage open-gear aesthetics with modern, ultra-precise engineering. Designed for exceptional acoustic coupling, it features a coating-free surface contact structure that delivers optimal resonance and smooth performance.
With a precise 1:18 gear ratio, this tuning machine provides velvety-smooth tuning response and unwavering pitch stability. Its permanently locked, sealed screw joints ensure wear-free and maintenance-free operation across years of demanding use.
Crafted to standard instrument dimensions for effortless installation and retrofitting, it incorporates countersunk screw holes and high-precision tolerances that safeguard tone transmission directly into the headstock.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Single Unit Weight | 0.63 oz (Koa), 0.67 oz (Perloid), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean) |
| Button Dimensions (Butterbean) | 0.8 x 0.54 x 0.41 in |
| Button Dimensions (Standard) | 0.69 x 0.54 x 0.24 in |
| Product Weight | 0.11 lb |



















