Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single is an open-gear guitar tuning machine designed to combine vintage styling with modern precision engineering. Featuring an open-gear configuration and worm gear drive, it delivers velvety-smooth performance and exceptional tuning stability without relying on synthetic polymer coatings.
Equipped with an 1:18 gear ratio, this tuning machine provides precise micro-tuning capabilities and long-term durability. The precision-machined contact surfaces offer wear-free interaction, allowing the tuning assembly to resonate freely with the instrument's headstock.
Built with permanently locked and sealed screw connections, the GrandTune Single guarantees maintenance-free performance while conforming to standard instrument dimensions for straightforward installation and replacement.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Gear Type | Open Gear |
| Weight per Single Tuner | 0.6 oz (Koa), 0.7 oz (Perloid), 0.7 oz (Galalith, Ebony), 0.7 oz (Snakewood), 0.9 oz (Butterbean) including bushing |
| Button Dimensions (WxHxD) | 0.80 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |
| Bushing Outer Diameter | 0.35 in |
| Bushing Inner Diameter | 0.24 in |
| Mounting Screws | M2.2 x 11 mm |
| Product Weight | 0.67 lb |
