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Graph Tech 3+3 Ratio Acoustic Guitar Machine Heads Butterbean Open Back - Nickel
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RATIO® patented gear technology
Calibrated Machine Heads incorporate different string gauges into the tuning equation. Graph Tech 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-3422 is a right-handed set of open-back RATIO® Calibrated Machine Heads for acoustic guitars that use 3+3 side tuners.
- 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: 0.055lbs (25g)
- Weight per set of six: 0.331lbs (150g)
- String diameter up to 72 gauge
- Includes 6 machine heads, mounting screws, and bushings
Calibrated Machine Heads incorporate different string gauges into the tuning equation. Graph Tech 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-3422 is a right-handed set of open-back RATIO® Calibrated Machine Heads for acoustic guitars that use 3+3 side tuners.
Specifications
- 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: 0.055lbs (25g)
- Weight per set of six: 0.331lbs (150g)
- String diameter up to 72 gauge
- Includes 6 machine heads, mounting screws, and bushings
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| Product | SKU | Qty |
|---|---|---|
| 3+3 Ratio Acoustic Guitar Machine Heads Butterbean Open Back - Nickel | 816389 |
