RATIO® 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, 35:1, 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-2721 and PRN-2731 are right-handed sets of RATIO® Calibrated Machine Heads for electric guitars that use 6-in-line tuners.
It has a two-pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates [opens in new tab].
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
| 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 | 0.890” (22.6mm) |
| Weight per Single Machine Head | 0.066lbs (30g) |
| Weight per Set of Six | 0.393lbs (179g) |
| String Diameter Compatibility | Up to 72 gauge |
| Included Components | 6 machine heads, mounting screws, and bushings |
| Additional Included Items | Complimentary 4 sets of aluminum mounting plates |
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