Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines stylish vintage design with exact tuning precision and smooth performance. Featuring an open-gear architecture with a precision worm gear, this classic machine head provides an ultra-precise 1:18 gear ratio for superior tuning stability and longevity.
Engineered without synthetic polymer coatings, the GrandTune creates a perfectly resonating unit on any instrument. Its ultra-precise contact surfaces offer exceptional stick-slip performance free from wear or aging, while permanently locked and sealed screw joints provide maintenance-free operation.
Designed with standard instrument dimensions for effortless replacement and installation, the tuning machine includes countersunk screw holes that ensure firm hold and optimal sound transmission.
| Brand | Schaller |
| Model | GrandTune (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight per Machine Head | 0.04 lb (Koa), 0.04 lb (Perloid), 0.04 lb (Galalith, Ebony), 0.05 lb (Snakewood), 0.06 lb (Butterbean) |
| Button Dimensions (W x H x D) | 0.8 x 0.5 x 0.4 in (Butterbean), 0.7 x 0.5 x 0.2 in (all other buttons) |
| Weight | 0.11 lb |





















