Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune combines classic open-gear vintage aesthetics with modern engineering precision. Featuring an open-gear design with worm screw architecture, it delivers exceptionally smooth and precise tuning performance. Its 1:18 gear ratio ensures outstanding tuning accuracy and long-term stability.
Built without synthetic polymer coatings, this tuning machine features ultra-precise contact surfaces that produce optimal stick-slip properties free from wear or aging. Permanently locked, sealed, and covered screw connections guarantee maintenance-free and wear-free operation over time.
Designed to match standard instrument dimensions, it enables straightforward installation and replacement on acoustic, electric, and classical guitars. Countersunk mounting holes provide firm seating and optimal resonance transfer directly into the headstock.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.1 lb |
| Weight per Single Tuner | 0.04 lb (Koa), 0.04 lb (Perloid), 0.04 lb (Galalith, Ebony), 0.05 lb (Snakewood), 0.06 lb (Butterbean) including press-in bushing |
| Button Dimensions (W x H x D) | 0.80 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |
