Schaller GrandTune Guitar Tuning Machine
The Schaller GrandTune combines refined vintage styling with precise tuning response and smooth performance. Featuring an open-gear architecture with a worm gear design, it delivers an optimal 1:18 gear ratio for superior accuracy and durability on any guitar.
Built with ultra-precise contact surfaces and devoid of synthetic polymer coatings, this tuning machine creates frictionless movement without wear or material aging. Permanently locked and sealed screw joints provide maintenance-free longevity and exceptional resonance transfer.
Engineered to standard instrument dimensions for straightforward installation and replacement, it includes countersunk screw holes and high-grade press-in bushings for maximum stability and optimal tone transmission.
| Brand | Schaller |
| Product Type | Guitar Tuning Machine |
| Model | GrandTune (GT-Single) |
| SKU | GT-Single |
| Gear Ratio | 1:18 |
| Weight per Single Tuner | 0.63 oz (Koa), 0.67 oz (Perloid), 0.71 oz (Galalith, Ebony), 0.74 oz (Snakewood), 0.88 oz (Butterbean) including bushing |
| Button Dimensions | 0.80 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |
| Overall Product Weight | 0.11 lb |
