Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single combines refined vintage aesthetics with precise tuning response and ultra-smooth operation. Designed with an open gear and worm architecture, it offers a sophisticated tuning solution engineered for lasting performance without reliance on synthetic polymer coatings.
Featuring a 1:18 gear ratio, this machine head provides accurate pitch adjustment and exceptional stability. The precision-fit contact surfaces ensure optimal stick-slip characteristics, wear-free engagement, and resonant sound transfer across acoustic, classical, and electric instruments.
Built with permanently locked and sealed screw joints, the GrandTune Single guarantees maintenance-free longevity. It accommodates standard production instrument dimensions, with recessed mounting screw holes designed for stable seating and optimal acoustic coupling.
Brand
Schaller
Model
GrandTune Einzelmechanik (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Design
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 (W x H x D)
0.8 x 0.5 x 0.4 in (Butterbean), 0.7 x 0.5 x 0.2 in (all other buttons)
Product Weight
0.67 lb