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Worm gear, worm shaft, and string roller are ball-bearing mounted

  • Free-moving
  • Precise control
  • Reacts to smallest turns
  • You “feel” the string


All parts are mounted with screws

  • Precise adjustment
  • No stays in the tuners
  • Easy to service
  • Long service life


Surfaces are not treated

  • Aging with “patina”
kugellager reibungsarmes getriebe
Ball-bearing mounted
worm gears, worm shafts
and string rollers
Low friction gear
verschraubte teile bremse
All parts are screw mounted

Adjustment of movement rate (only by workshop)
einfädelbuchse knopf
Metal bushings as string guides Ergonomically designed knobs (various forms and materials are available)