Schaller GrandTune Single Guitar Tuning Machine
The Schaller GrandTune Single offers a refined blend of classic vintage styling, pinpoint tuning accuracy, and velvet-smooth performance. Built with an open-gear architecture and precision worm gear design, it delivers exceptional resonance and vintage aesthetic appeal without synthetic coatings.
Featuring an ultra-precise 1:18 gear ratio, this tuning machine provides uncompromising tuning stability and long-lasting durability. The contact surfaces and ultra-tight tolerances ensure smooth stick-slip action without wear or aging over time.
Equipped with permanently locked and sealed screw connections, the GrandTune Single guarantees maintenance-free performance. Its dimensions match standard production instruments for hassle-free installation and optimal acoustic coupling.
| Brand | Schaller |
| Model | GrandTune Einzelmechanik (GT-Single) |
| Product Type | Guitar Tuning Machine |
| Gear Ratio | 1:18 |
| Product Weight | 0.11 lb |
| 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 (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), 1 hexagonal press-in bushing (0.35 in outer diameter, 0.24 in inner diameter) |



















