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: Ratio Acoustic Guitar Machine Heads 3+3

Ratio Acoustic Guitar Machine Heads 3+3 - Graph Tech Guitar Labs Ltd.
Ratio Acoustic Guitar Machine Heads 3+3 - Graph Tech Guitar Labs Ltd.
Ratio Acoustic Guitar Machine Heads 3+3 - Graph Tech Guitar Labs Ltd.
Ratio Acoustic Guitar Machine Heads 3+3 - Graph Tech Guitar Labs Ltd.

A right handed set of Ratio Tuned Machine Heads for acoustic guitar that use three per side tuners. It has a two pin casing that can be used as is, or with our InvisoMatch mounting plates. 4 Sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes..


Ratio - Tuned Machine Heads incorporates the different string gauges into the tuning equation. From Low E to High E 39:1, 24:1, 20:1, 14:1, 20:1, 12:1. We balanced the gear ratios to each string simplifying the tuning process. With Ratio, a half turn is a semi-tone! Every string reacts the same to any tuning adjustment. Predictable, precise tuning, on every string.