Schaller GrandTune Single Guitar Tuning Machine

The Schaller GrandTune Single Guitar Tuning Machine combines classic vintage design with precise tuning behavior and smooth performance. Featuring an open-gear architecture with a worm screw, it utilizes an 1:18 gear ratio that provides exact tuning stability and long-lasting durability.
Built without synthetic polymer coatings, its ultra-precise fittings and contact surfaces deliver optimal stick-slip properties free of wear and aging. Permanently locked, sealed, and countersunk screw fittings ensure maintenance-free operation and resonance transfer across your instrument.
Engineered to standard instrument dimensions for effortless installation and replacement, this tuning machine eliminates mechanical friction and unwanted noise for consistent tone and reliability.
Brand
Schaller
Model
GrandTune Single (GT-Single)
Product Type
Guitar Tuning Machine
Gear Ratio
1:18
Design
Open Gear
Product Weight
0.1 lb
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)