Graph Tech Ratio Tuned Machine Heads - Acoustic 3+3 Contemporary - Chrome
Interest FREE financing available at checkoutRATIO® patented gear technology
RATIO® - Calibrated Machine Heads incorporate 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.
The PRN-2411 and PRN-2421 are the right-handed sets of RATIO® Calibrated Machine Heads for acoustic guitar that use 3 per side tuners.
It has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates
4 different 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.
Specifications
| Specification | Value |
|---|---|
| Gear Ratio | Unique for each string position - one turn-one tone |
| Peg Holes Diameter Required | 13/32" (10mm) |
| String Post Diameter | 0.236" (6mm) |
| String Post Length to String Hole | 0.910” (23mm) |
| Weight per Single Machine Head | 0.083lbs (38g) |
| Weight per Set of Six | 0.496lbs (225g) |
| String Diameter Compatibility | Up to 72 gauge |
| Included Components | 6 machine heads, mounting screws, and bushings |
| Additional Inclusion | Complimentary 4 sets of aluminum mounting plates |