Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single guitar tuning machine combines elegant vintage styling with ultra-precise tuning performance and velvety smooth action. Engineered as an open-gear tuner with an optimized worm gear mechanism, it delivers outstanding resonance and mechanical fidelity.
Featuring a precise 1:18 gear ratio, this tuning machine provides exceptional tuning accuracy and long-term durability. The design avoids synthetic coatings on its contact surfaces, allowing the tuner to resonate naturally with your instrument while maintaining wear-free operation.
Equipped with permanently locked and sealed screw joints, the GrandTune requires zero maintenance. Its standardized dimensions ensure seamless installation and replacement on standard instrument headstocks.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.11 lb |
| Mounting Screws Included | 2 x Countersunk Mounting Screws (M2.2 x 11 mm / 0.09 x 0.43 in) |
| Press-In Bushing | Hexagonal, Outer Diameter 0.35 in (Inner Diameter 0.24 in for 0.24 in Post) |
| Button Dimensions (Butterbean) | 0.80 x 0.54 x 0.41 in |
| Button Dimensions (Standard) | 0.69 x 0.54 x 0.24 in |
