RATIO® patented gear technologyRATIO® - Calibrated Machine Heads incorporate different string gauges into the tuning equation.
From Low B to G - 48:1, 36:1, 30:1, 20:1, 18:1.
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 PRB-5230 is a right-handed set of RATIO® Calibrated Machine Heads for BASS that use 2 x 3 configuration.
In order to achieve the higher gear ratio's, Ratio's are the world's first machine heads using a double envelope gear design with a hardened steel gear. Amazingly smooth and super strong.
Gear ratio: unique for each string position - one turn-one tonePeg holes diameter required: 35/64" (14mm)String post diameter: 0.547" (13.9mm)String post length to string hole: 1.030” (26.1mm)Weight per single machine head: 1.86oz (53g)Weight per set of six: 9.3oz (265g)String diameter up to 98 gaugeIncludes 5 machine heads, mounting screws and bushings
Our Bass Ratio rated 5 stars on Sweetwater.
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