Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines classic vintage styling with modern precision engineering and ultra-smooth performance. Built with an open-gear architecture and precision worm gear design, it delivers an 1:18 gear ratio for accurate and dependable tuning stability on your instrument.
Crafted without synthetic polymer coatings, the GrandTune creates optimal stick-slip action and perfect resonance transfer. Its permanently locked, sealed screw joints ensure completely maintenance-free operation while preventing wear and mechanical degradation over time.
Designed around standard production instrument dimensions, this single tuning machine enables straightforward retrofitting or installation. Countersunk screw holes provide a secure mechanical anchor and superior tonal transmission across solid or slotted headstocks.
| Brand | Schaller |
| Model | GrandTune (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Configuration | Single Tuner |
| Construction | Open Gear |
| Weight | 0.11 lb |
| Bushing Type | Hexagonal Press-In Bushing (Solid Headstock) |
| Included Hardware | 2 countersunk mounting screws (M2.2 x 11), 1 press-in bushing |



















