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Graph Tech Ratio Acoustic 3+3 Tuned Machine Heads

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Item # 2114-C
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Graph Tech Ratio Acoustic 3+3 Tuned Machine Heads

About This Item

Faster and more accurate tuning
Optimized gear ratios for each string means tuning your guitar has never been easier.

Multi-geared tuning technology
The Graph Tech team tuned the gear ratios to each string position so that every string responds the same to any tuning adjustment. You get fine tuning on the thicker core strings and coarser tuning on the thinner core; anywhere from 12:1 to 39:1 gear ratio. With Ratio, one turn is about one tone change on all strings, making tuning, retuning and open tunings easier, quicker and more intuitive.

Predictable, precise tuning
Ratio tuning just feels right. You don't have to think about which string you are tuning because they all respond the same. No more overshooting the Low E or G. No more twisting away on the High E or D string. Open tunings have never been easier. String gauges such as light top, heavy bottom are no problem with Ratio; they still do the same precision tuning.

Don't sweat the small gears
Double-envelope gears made of hardened steel provide enhanced durability and ultra-smooth response for the high ratio gears.

Triple plated chrome finish with contemporary buttons.

  • Two pin mounting system, fits most headstocks
  • Includes InvisoMatch Standard Mounting Plates for easy installation, no drilling necessary in most cases
  • 13/32" (10mm) diameter pegholes required
  • Mounting screws and bushings included
  • Set of 6: 3-left/3-right
  • Installation guide


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5.0
  • 5.00 average rating from 1 reviews
5.0

Way better than you might think!

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I've had these tuning machines on an acoustic of mine for about a year now and everybody seems to love them, myself included.

When I first heard of the Ratio tuning machines, my initial impression was that it was an attempt to solve a "problem" that never struck me as an actual problem. However, some of my clients had asked about them, so I wanted to give them a try so that I could relay accurate information. Additionally, GraphTech has always been a superlative company in my experience, so I was confident that at the very least I wouldn't regret the decision.

They really are way cooler than I had thought they would be. Most people don't fully appreciate the "one turn equals one tone" characteristic until they put it through the paces, and then they realize how brilliant it is. I'll often describe the machines to a player, they'll respond with a semi-interested "oh, that's cool...." and then I put it in their hands for a few minutes to use and it soon becomes an enthusiastic "WOW that's cool!" Add to that, the quality of the gear is fantastic. Mine feel bulletproof, and the stability is as good as any other premium tuning machine.

I find that they shine best when installed on acoustics that don't have built-in pre-amps/tuners. You can take your guitar to the park or the beach and switch between tunings without needing a tuner, even if you ordinarily find tuning by ear to be a challenge.

The only thing I'm not the biggest fan of is the "contemporary" appearance of the machine buttons with the ratio symbol visible (the skeletonized ones look better, IMO, but still have the brand symbol). They don't look bad, but they do kind of pigeonhole you into a specific kind of look, and I am not a fan of seeing branding abound on acoustic instruments, especially when viewed straight at the front. I have, however, found that with a bit of coaxing certain replacement tuning buttons work as incredibly serviceable replacements without compromising any function of the machine.