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Graph Tech Guitar
3+3 Ratio Acoustic Open Back Tuners, Gold
Item ID: PRN-3411-G0

List Price: $266.03



The PRN-3411 is a right-handed set of open back RATIO® Calibrated Machine Heads for acoustic guitars that use 3+3 side tuners. It has an intricate skeletonized button and finish selection. 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, 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.
  • Gear ratio: unique for each string position - one turn-one tone
  • Peg holes diameter required: 0.346" (8.8mm)
  • String post diameter: 0.236" (6mm)
  • String post length to string hole: 0.827” (21mm)
  • Weight per single machine head: 0.056lbs (25.5g)
  • Weight per set of six: 0.338lbs (153g)
  • String diameter up to 72 gauge
  • Includes 6 machine heads, mounting screws and bushings