Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines stylish vintage design with precise tuning behavior and velvet-smooth performance. Featuring an open-gear construction and precision worm gear, this classic guitar tuning machine offers exceptional build quality without synthetic coatings, allowing optimal acoustic resonance on your instrument.
A precise 1:18 gear ratio provides pinpoint tuning accuracy, durability, and smooth responsiveness. Ultra-precise contact surfaces create dependable stick-slip performance free of wear, while permanently locked and sealed screw joints ensure zero-maintenance operation over years of use.
Designed around standard production instrument dimensions, the GrandTune allows for straightforward installation or replacement. Countersunk screw holes ensure a firm hold and optimal tone transfer to the headstock.
| Brand | Schaller |
| Model | GrandTune Single Tuner (GT-Single) |
| Gear Ratio | 1:18 |
| Weight | 0.11 lb |
| Button Dimensions | 0.80 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |
| Weight per Single Tuner | 0.63 oz (Koa), 0.67 oz (Perloid), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean) including bushing |
