Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single Guitar Tuning Machine delivers the ultimate fusion of vintage design, precise tuning behavior, and velvet-smooth performance. Crafted as a perfected open-gear tuning machine, it features exposed gears and worm screws engineered to flawless tolerances without synthetic polymer coatings for pure acoustic resonance.
Its 1:18 gear ratio provides unsurpassed tuning accuracy and lasting stability. The precision-machined contact surfaces offer wear-free performance, ensuring optimal sound transmission and durability that will endure for the lifespan of your instrument.
Engineered to standard instrument dimensions for trouble-free installation and replacement, this tuning machine features permanently locked, sealed screw joints and countersunk mounting holes for a secure fit and excellent tone transfer.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Design | Open Gear |
| Weight per Single Tuner | 0.6 oz (Koa), 0.7 oz (Perloid), 0.7 oz (Galalith, Ebony), 0.7 oz (Snakewood), 0.9 oz (Butterbean) |
| Button Dimensions (Butterbean) | 0.80 x 0.54 x 0.41 in |
| Button Dimensions (Standard) | 0.69 x 0.54 x 0.24 in |
| Estimated Shipping Weight | 0.11 lb |





















