Schaller “M4 series” 4/L 90 (Light) Machine. Designed to the high quality standards of the acclaimed M6 series. Ratio 1:20. 

Elegance and Lightness for the Schaller Bass Age.

Experience the lighter side of heavy duty. M4 (Light) – legendary Schaller quality now at a stunning 40% less weight. M4 specs, looks and superior performance define this tuner as a true no-compromise where weight reduction is essential.

A special female screw guarantees precise positioning and fixing of the shaft.

High gear ratio of 1:20 ensures a very precise tuning.

All sealed tuners are lubricated with Schaller special grease for lifetime maintenance-free service.

All parts are precision-crafted and surface-finished, the self-locking drive ensures an even, delicate and steady tuning.

All string posts are made of high-grade aluminium and fitted into the housing with utmost precision, ensuring the best possible tuning accuracy and wear resistance.

 

Technical Specification:

Gear ratio 1:20, weight 44g per piece, 14mm bore diameter