Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune represents the ultimate fusion of vintage design, tuning accuracy, and velvet-smooth performance. Built with an open-gear configuration, this classic tuning machine delivers exceptional tuning stability without the use of synthetic coatings for superior natural resonance.
Featuring an ultra-precise 1:18 gear ratio, the GrandTune offers pinpoint tuning precision and extended durability. Its contact surfaces provide smooth stick-slip performance free of wear and aging, while permanently locked screw fittings ensure maintenance-free operation.
Engineered to standard instrument dimensions for trouble-free installation and replacement, this tuning machine includes countersunk screw holes for solid mounting and optimal acoustic coupling.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Design | Open Gear |
| Weight | 0.11 lb |
| Weight per Machine | 0.63 oz (Koa), 0.67 oz (Perloid), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean) including bushing |
| Button Dimensions | 0.8 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |
| Mounting Screws Included | 2 x M2.2 x 11 mm per unit |
| Press-In Bushing | Hexagonal 0.35 in outer diameter, 0.24 in inner diameter (for 0.24 in post) |
