Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune represents the ultimate combination of stylish vintage aesthetics, precise tuning action, and smooth performance. This perfected open-gear tuning machine features a classic worm gear design engineered without synthetic coatings, creating an optimal resonating unit for any instrument.
With a precise 1:18 gear ratio, the GrandTune delivers outstanding tuning stability, fine adjustments, and lasting durability. The ultra-precise contact surfaces without polymer coating produce excellent stick-slip properties free of wear or aging, while permanently locked and sealed screw connections ensure maintenance-free performance.
Engineered to standard instrument dimensions for trouble-free installation and replacement, this tuning machine includes countersunk screw holes for solid mounting and flawless sound transfer. Experience superior resonance, acoustic performance, and uncompromised precision on your guitar.
| Brand | Schaller |
| Model | GrandTune (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| 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 press-in bushing |
| 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) |
| Press-in Bushing Outer Diameter | 0.35 in |
| Press-in Bushing Inner Diameter | 0.24 in |
| Mounting Screws | 2 x Countersunk Screws (M2.2 x 11 mm) |
