Graph Tech Ratio Contemporary Style 3+3 Electric Locking Machine Heads - Black
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 PRL-8311, 8322, 8331, 8341, and 8351 are right-handed sets of Locking RATIO® Calibrated Machine Heads for electric guitars that use 3 x 3 tuners, such as Gibson style and PRS style guitars.
A great upgrade over single-gear machine heads, such as Grover, Schaller, Sperzel, Kluson, etc.
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 Included Items | 4 sets of aluminum mounting plates |