Schaller GrandTune Guitar Tuning Machine

The Schaller GrandTune combines refined vintage design with precise tuning and exceptionally smooth performance. Crafted with classic open-gear architecture and a threaded worm gear, it delivers timeless aesthetics alongside modern engineering.
Featuring an 18:1 gear ratio, this tuning machine provides exceptional precision and lasting durability. The deliberate absence of synthetic coatings ensures pure acoustic resonance and seamless interaction with your instrument.
Built with ultra-precise contact surfaces and permanently locked, sealed screw joints, the GrandTune guarantees wear-free, maintenance-free stability. Standard serial instrument dimensions ensure straightforward installation and replacement.
Brand
Schaller
Model
GrandTune (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
18:1
Construction
Open Gear
Weight per Single Tuner
0.04 lb (Koa), 0.04 lb (Perloid), 0.04 lb (Galalith, Ebony), 0.05 lb (Snakewood), 0.06 lb (Butterbean)
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)
Mounting Hardware Included
2 countersunk mounting screws (M2.2 x 11 mm), 1 hexagonal press-in bushing (for solid headstocks)