Schaller GrandTune Guitar Tuning Machine

The Schaller GrandTune combines vintage styling with precise, ultra-smooth tuning performance. Designed with an open gear and worm drive architecture, it provides an exceptional tactile response and refined aesthetic for premium instruments.
Featuring a precise 1:18 gear ratio, this machine head delivers accurate and durable intonation stability. The complete absence of synthetic polymer coatings allows direct resonance transfer, ensuring maximum tonal clarity and natural acoustic response across the instrument.
Built with permanently locked and sealed screw connections, the GrandTune offers completely maintenance-free, wear-resistant performance. Standardized dimensions allow seamless installation and retrofit replacement on traditional series headstocks.
Brand
Schaller
Model
GrandTune Einzelmechanik (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Design
Open Gear
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 (WxHxD)
0.80 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons)
Total Weight
0.11 lb