Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single guitar tuning machine delivers an exquisite combination of vintage styling, pinpoint tuning accuracy, and velvet-smooth performance. Built with an open-gear architecture and precise worm screw assembly, it features an ultra-precise 1:18 gear ratio for refined tuning control and exceptional durability.
Crafted completely without synthetic coatings, the GrandTune creates a perfectly resonant connection with your instrument. The finely matched contact surfaces yield flawless slip-stick properties without wear or aging, while permanently locked and sealed screw connections guarantee completely maintenance-free operation.
Designed around standard production instrument dimensions, this tuner ensures direct installation and seamless retrofitting. Countersunk screw holes ensure firm anchoring and optimal acoustic transmission directly into the guitar headstock.
| Brand | Schaller |
| Model | GrandTune Single (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Weight per Single Tuner | 0.6 oz (Koa), 0.7 oz (Perloid), 0.7 oz (Galalith, Ebony), 0.7 oz (Snakewood), 0.9 oz (Butterbean) including press-in bushing |
| 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) |
| Product Weight | 0.11 lb |
| Included Screws | 2 x countersunk mounting screws (M2.2 x 11) |
| Included Bushing | 1 x hexagonal press-in bushing (outer diameter 0.35 in, inner diameter 0.24 in for 0.24 in post) |
