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Look after your nuts

Have you ever tried going for a particular sound, but weren’t able to get your tone quite right? Allow us to lend a hand. Gibson Tone Tips can help you achieve the guitar sound of your dreams. In this installment, we’re shining the spotlight on what a nut can do for your tone.

Many players give little thought to that thin, slotted strip of organic or synthetic material that lies across the end of the fingerboard and guides your strings on their way to the tuners, but the stuff your nut is made from plays a big part in shaping your tone. In partnership with the bridge saddles, the nut is one of the two “anchor points” that determine the speaking length of your string — the components that denote the break between the section of the strings that vibrates and makes all the sound and the “dead” portions — and it greatly affects both the way in which the strings ring, and the amount of vibrational energy that is transferred into the neck and body of the guitar.

Early quality acoustic guitars usually had bone nuts, and often still do, and this traditional material contributes to a warm, rich tone. Players are frequently surprised to learn, however, that Gibson electric guitars from the golden age of the solidbody — the 1950s and early ’60s — had nylon nuts. There are many formulations of this plastic, but the one commonly used was known as nylon 6/6. Although it sounds counter-intuitive and not at all a tone-inducing material, it actually did the job very well, and was a small but significant ingredient in some of the best sounding guitars of all time, and now the most expensive on the vintage market! A nut made from this hard, dense form of nylon is sturdy enough to be long wearing, and contributes to a surprisingly full, resonant tone.

At the lower end of the synthetic spectrum, some more affordable guitars carry nuts of solid or even hollow plastic. These aren’t generally considered to be tone-enhancing components, although they might be necessities of a certain price point. A well-cut plastic nut can still provide a decent sound and function, but in order to get the most out of the guitars they come on, many players choose to upgrade them to a nut made from bone, or one of the other synthetic materials that are popular today.

There’s a wide range of excellent replacement nuts available, many of which have been inspired by players who make heavy string bending or vibrato use a part of their playing styles. Graphite-based nuts provided an early form of self-lubricating nut that offered excellent return-to-pitch capabilities along with good wear and tone. The Graph-Tech company’s black Tusq XL nuts carry on this tradition, while their white Tusq nuts offer a more traditional-looking alternative. Super-slippery Delrin nuts have also become popular lately, and these are all good alternatives for players who either ask a lot from their whammy bars, or simply want nut slots to remain slick and snag-free.

Other modern synthetic materials that are not in the self-lubricating camp, but which still offer popular alternatives to bone, are Corian and Micarta. The former is the same material used for many kitchen counter tops, and is a hard yet workable substance that provides good sustain and pleasant all-round tone. Mikarta, a compound of phenolic resins, is a little softer and easier to work than bone, but still dense enough to provide a tonal upgrade on cheaper plastic nuts.

Whatever material you use to upgrade or replace your nut, if such is necessary, it’s important to get the job done right. This might look like a simple part that you could knock into shape with a hacksaw and a file, and in theory you can, but a poorly cut and slotted nut will impede both your tone and your intonation, so this is a job for a professional. Nut slots need to be not only spaced correctly, but cut to precise depths and at accurate angles too, so that all strings have the same break point at the front edge of the nut. The bottom of the nut needs to be seated firmly and tightly into the slot at the end of the fingerboard, too, or you will loose a lot of sustain and resonance. Look after your nuts, and get them done right when repair or replacement is required, and they’ll reward you with years of toneful and in-tune service.

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Permalink Reply by Mark on November 10, 2011 at 7:53am

Ha ha...and of course Whitworth threads give more of a vintage tone while metric can be bright and modern ;)

Mark Bliss said:

If you use threaded rod be sure to remember:

Fine thread is for classical and flemenco, course for that loud hard rock sound.

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Permalink Reply by Mark on November 10, 2011 at 7:59am

On a serious note, I'm curious about the practical properties of corian. What's it like in terms of ease of cutting and filing? How cheap is it and how easy is it to get small pieces?

Dan said:

Mark, did you notice in the article that Gibson is now using Corian nuts, what the good folks in here have been using for quite some time.

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Permalink Reply by Dan on November 10, 2011 at 11:30am

Free 2"x"2" samples at home depot in the countertop section. Cuts like butter...

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Permalink Reply by Clock The Wolf on November 10, 2011 at 11:35am

Hazel nuts, or Brazil nuts? The controversy continues! Don't touch my nuts...

Dan said:

Wow, this is the most discussion I've had on one of my post, nuts must be a really touchy subject... LOL

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Permalink Reply by Mark Bliss on November 10, 2011 at 11:55am

Dont touch my junk!

Whitworth might be ok for some retro British invasion period stuff, but for true southern Americana you must insist on SAE.

*(Whitworth, really showing your vintage brother! I used to draw blank stares when I pulled out some old vintage Whitworth stuff from some old BSA, Triumph or Matchless kits, no one knows WTF I am talking about......

Corian works great, tools like moderately hard wood.

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Permalink Reply by Mike Bingham on November 12, 2011 at 6:03pm

If you use bolts with left hand threads you can get some weird chord inversions.

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Permalink Reply by Mark Bliss on November 13, 2011 at 3:47am

Or get those crazy "backwards tape" effects of the 60's maybe?

Oh and I forgot, un-threaded rod for smooth jazz!

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Permalink Reply by Clock The Wolf on November 13, 2011 at 11:42am

Hows abouts those newfangled parallel threaded bolts, or that reciprocal rod inverter dohickie...

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Permalink Reply by Ryan Rose on November 13, 2011 at 12:11pm

Shit! Is that what I've been playing?!

Mark Bliss said:

Oh and I forgot, un-threaded rod for smooth jazz!

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Permalink Reply by Ron "Oily" Sprague on November 14, 2011 at 5:41am

First we got nuts, now we got rods...it's just a short step down that slippery slope to...yep, you guessed it:

Hot pickups.

>:-E

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Permalink Reply by Mark Werner on November 14, 2011 at 5:54am

A quality (IE=hard) nut does not have much effect on tone. A bit on sustain.... However, they do have an effect on durability, tuning ease, and so forth.

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Permalink Reply by Clock The Wolf on November 14, 2011 at 10:05am

Hot pickups are best handled with silicone coated oven mits, as the ovens heating RODS can burn! Do not overheat, as this can cause charring of the chopped NUTS.

Oily "Strat-O'-Nine-Tales" Fool said:

First we got nuts, now we got rods...it's just a short step down that slippery slope to...yep, you guessed it:

Hot pickups.

>:-E

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