Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines refined vintage aesthetics with precise tuning performance and velvety smooth action. Engineered as an open-gear tuner with a precision worm drive, it provides a 1:18 gear ratio for exact, dependable pitch stability and long-lasting durability.
Featuring high-precision contact surfaces without synthetic polymer coatings, this tuning machine delivers optimal stick-slip properties and excellent acoustic resonance. Permanently locked, sealed screw joints ensure wear-free, maintenance-free operation across years of playing.
Designed to standard instrument dimensions for straightforward installation or replacement, each single unit includes countersunk mounting holes for secure anchoring and optimal vibration transfer to the headstock.
| Brand | Schaller |
| Model | GrandTune (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Design | Open-Gear |
| Weight | 0.11 lb |
| 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) |
