Graph Tech Ratio (18:1 to 36:1) Bass Tuners Taper Shaft 3x2 Black Manufacturers Part number: GT-PRB-5320-B0
ThePRB-5320 is a right-handed set of RATIO® Calibrated Machine Heads for BASS that use a 3x2 configuration (B-E-A on the top of the headstock, D-G underneath)
RATIO® patented gear technology RATIO® - 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.
In order to achieve higher gear ratios,Ratio are the world'sfirstmachine 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 tone
Peg 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 five: 9.30oz (265g)
String diameter up to 0.98 gauge (or larger if taper-wound)
Includes 4 machine heads, mounting screws, and bushings
All Graph Tech products from SportHiTech ship in original factory retail packaging. SportHiTech is an authorized Graph Tech Dealer.
