Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune combines refined vintage styling with ultra-precise tuning stability and smooth, responsive performance. Built with an open-gear architecture and precision worm gear, it delivers exceptional resonance and accurate pitch adjustment for high-end instruments.
Featuring a 1:18 gear ratio, this tuning machine provides smooth, pinpoint control without synthetic coatings, allowing the instrument to resonate freely. Its permanently locked, sealed screw joints ensure wear-free and maintenance-free operation across years of play.
Designed to fit standard instrument dimensions for straightforward replacement or new builds, the GrandTune includes countersunk screw holes and precision-machined press-in bushings for maximum contact and vibration transfer.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight | 0.67 lb |
| Mounting Type | Screw-in with press-in bushing |





















