Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines refined vintage styling with precise tuning accuracy and ultra-smooth operation. Designed as an open-gear tuner with an optimized worm gear mechanism, it delivers dependable performance without synthetic coatings for unhindered acoustic resonance.
Equipped with an 18:1 gear ratio, this machine head provides pinpoint tuning stability and durable wear resistance. Ultra-precise contact surfaces ensure smooth motion without stick-slip issues, while permanently locked and sealed screw joints guarantee zero maintenance over time.
Crafted to standard production guitar dimensions for straightforward installation and replacement, each tuner includes countersunk screw holes and high-grade mounting hardware for secure attachment and maximum sound transmission.
| Brand | Schaller |
| Model | GrandTune Single (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) |
| Button Dimensions | 0.8 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |
| Shipping Weight | 0.11 lb |
| Mounting Screws Included | 2 x M2.2 x 11 countersunk screws |
| Bushing Specifications | Hexagonal press-in bushing (0.35 in OD, 0.24 in ID) |
