Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines classic vintage open-gear aesthetics with modern precision engineering and ultra-smooth performance. Featuring an open-gear design with a worm gear mechanism, it delivers exceptional tuning stability and longevity without synthetic coatings, allowing optimal resonance transfer to your instrument.
Equipped with a precise 1:18 gear ratio, this tuning machine provides velvety, accurate adjustments suited for demanding musicians. Its wear-free construction incorporates permanently locked, sealed, and covered screw connections to ensure maintenance-free reliability over years of playing.
Designed with standard instrument dimensions, the GrandTune allows for straightforward installation or replacement on solid or slotted headstocks. Countersunk screw holes ensure a firm hold and optimal acoustic transmission across acoustic, classical, and electric guitars.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.67 lb |
| 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 |
| Button Dimensions (Butterbean) | 0.80 x 0.54 x 0.41 in |
| Button Dimensions (Standard) | 0.69 x 0.54 x 0.24 in |
