Graphech 3+3 Ratio Acoustic Guitar Machine Heads Butterbean Open Back (PRN-3422-N0) accessories Design Highlights

Design Highlights

these cases will get your guitar to the gig night after night

3-band EQ and overdrive—each switchable on its own

Feedback and Delay Expression Modes

The Triple Foot Controller gives you remote control over functions in pedals that are equipped with an external foot control jack

Graphech 3+3 Ratio Acoustic Guitar Machine Heads Butterbean Open Back (PRN-3422-N0) accessories Design HighlightsRATIO 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.