Schaller M6 90 Guitar Tuning Machine
The Schaller M6 90 guitar tuning machine represents precision engineering with an advanced 1:18 gear ratio, delivering ultra-precise and smooth tuning comfort. Drawing on the legacy of the original 1966 design, modern enhancements provide superior tuning stability and effortless operation for high-performance instruments.
Every component is CNC-machined to exact tolerances and fitted with premium brass string posts housed securely to eliminate wear. The closed housing design features permanent lubrication with Schaller special grease, ensuring maintenance-free longevity and a self-locking drive mechanism that maintains pitch under demanding conditions.
Equipped with an innovative stepped flanged washer, this tuner simplifies installation by centering the post reliably via the hollow screw, eliminating the need for stepped peghead holes. It shares the identical installation footprint of previous models for hassle-free retrofitting and upgrades.
| Brand | Schaller |
| Model | M6 90 |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Button Bore Hole | Diameter 0.17 in (4.2 mm) with 0.14 in (3.6 mm) drive flat |
| Post Material | Brass |
| Lubrication | Permanently lubricated with Schaller special grease |
| Weight per Single Tuner with Button (Small / Large) | Metal: 1.27 oz / 1.34 oz (36 g / 38 g), Perloid: 1.06 oz / 1.09 oz (30 g / 31 g), Ebony: 1.06 oz / 1.09 oz (30 g / 31 g) |
| Product Weight | 0.79 lb |
