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Aug 06, 2021
Grover 18:1 Rotomatic Review
These tuners have set quality standards for years. I have put them on at least six acoustic guitars. They are tight - not much free play compared to most tuners and they turn smoothly. They seem to help sustain due to their heavier than average weight. I prefer the 18:1 ratio over the 14:1 ratio. I find them easier to fine tune a string.