Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune combines vintage aesthetic design with precise tuning and velvet-smooth performance. Built as an open-gear tuning machine with a perfected worm gear architecture, it ensures optimal mechanical engagement without synthetic coatings to maximize natural instrument resonance.
Featuring an 18:1 gear ratio, this tuning machine delivers exceptional tuning accuracy and longevity. Its ultra-precise fit and non-coated contact surfaces create consistent friction properties without wear or aging over time.
Equipped with permanently locked, sealed, and covered screw connections, the GrandTune provides maintenance-free performance. Standard instrument dimensions and countersunk screw holes ensure direct replacement and dependable tone transfer.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| 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) including bushing |
| Button Dimensions (WxHxD) | 0.8 x 0.54 x 0.41 in (Butterbean), 0.69 x 0.54 x 0.24 in (all other buttons) |
| Mounting Hardware | Includes 2 countersunk mounting screws (M2.2 x 11) and 1 hexagonal press-in bushing (for solid headstocks) |
