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Guitar Strings Primer

 



Why Spend Time Reading A Guitar Strings Primer?


I was a wedding photographer for a time. One lesson I learned is that sometimes I had to leave my camera in the bag to improve my skills. Why? I needed time to read, to observe, to critique my photos, or to appreciate the work of others. Time spent increasing my overall knowledge led to improved photos.

I believe the same lesson applies to guitar. Sometimes we improve our skills when we set the guitar aside.

Recently, for example, I have been learning to play bass. There are times when I set the bass aside and listen to two or three versions of the same song just to hear a wide variety of ways to play the bass parts. There are other times I sit and play a "learn bass clef" game to improve my music reading skills.

This primer is meant to be read with your guitar in its case. However, I believe you will find the time is well invested.



Two Basic Types: Nylon or Metal



Nylon is the most popular material for the core of classical strings and some acoustic guitars. Every other type of string uses metal core. One exception to this general rule is the John Pearse Thomastik. The 1, 2, and 3 string cores are a braided metal, like a rope, which is then wound with flat nylon. The bass strings are a perlon floss core wound with a silver-plated bell bronze wire. The rest of this article assumes the core is a single wire.



guitar string and wrap wireThe core wire runs the entire length of the string, from tuning post to bridge. Many cores are then wrapped with some type of winding (see the image at left). The winding can be made from a variety of metals and shaped in various ways. You can learn more about core wires and the shapes and materials used for wrapping in the "String Anatomy" section, below.

For many years classical strings were made from natural materials, including animal intestine (also know as 'gut') and silk. Driven by wartime restrictions of certain materials in the 1940's nylon quickly replaced gut and silk for most classical strings. Today, nylon provides a number of benefits, including low cost, quality control, and consistency from set to set.

Metal strings have been in use on guitars since about 1900, initially on acoustic guitars and later (beginning in the 1930's and 40's) on electric guitars. Today a wide variety of materials, thicknesses, and other features are available for guitarists using metal strings.



Basic String Anatomy



hex core and windingAll guitar strings begin with a core wire. As discussed above, the most common synthetic material is nylon, widely used in classical and some acoustic guitars. For electric and acoustic guitars, the core material is frequently steel.

You can still find strings for electric guitars that use a pure nickel core. Some prefer nickel for its reputation for producing a vintage, warm tone. In fact, nickel was the material of choice in the early days of electric guitars, but steel now dominates the market.

The shape of the core is typically either round or hexagonal. Many people believe that hexagonal cores are more durable, and stand up to note-bending and energetic play. Round cores, because they flex more evenly, are thought by many to be better suited for a playing styles that emphasize string bends and extended sustain. Unfortunately, a string with a round core combined with routine bending is also associated with more string breaks.

Sound from a guitar is created when the string vibrates. On electric guitars, these vibrations are picked up using electronics and amplified for the listener. On non-electric guitars, the sound is amplified by the design of the guitar body.

The ability of a string to produce a certain pitch, tone, and sustain is closely related to the string's diameter and composition. For example, a thin string tends to produce higher pitch, with relatively short sustain. A thick string tends to product lower pitch, with more sustain.

If there is nothing around the core wire, it is called a plain string. On most 6-string guitars, strings 1, 2, and 3 are plain strings. Strings 4, 5, and 6 are wound.



Types Of Windings



String manufacturers vary string diameter, materials, and other properties as they attempt to meet the demands for tone that players demand. One way to influence the sound of the string is to add a winding to the core. A winding is especially effective for improving sustain and creating a distinct tone.

The wires used for the wrap are typically softer than the core. According to D'Addario, when these windings are combined with a steel hexagonal core, the winding actually bites into the core, creating a strong bond that improves string longevity and intonation.

Some strings, such as DR Sunbeams, still use a round core. DR says, "The round core of the DR Sunbeam gives them just a little more sustain and flexibility..." Creating round-core strings also requires a bit more work, and DR's are still wound by hand. If you are looking for a vintage sound, consider a round-core string.

 

Round Wound Guitar Strings The most common winding on strings today is Round Wound. As the name implies, a round wire is wound around the core. Round Wound strings are known for their bright sound while still proving punch in the lows and mid-tones.
Half Round Guitar String

 

Introduced by D'Addario in the early 1970's, Half Round strings begin as traditional round-wound strings but then undergo precision grinding to shave off a portion of the winding. This smoothes the winding. According to D'Addario, Half Round's "retain some of the bright edge associated with round wound strings, but also offer some of the benefits of a flat wound: less string noise when shifting, no "scraping" noise when using a pick, and a slightly mellower tone."

 

Flat Wound Guitar String Flat Wound strings begin as Round Wounds onto which a flat or ribbon-like wire is wrapped. The ribbon is sometimes polished after wrapping. You get a darker, mellower sound and a smooth feel that many players prefer. These are great for the "old-school" bass tone of the '50s and '60s, and are frequently used in country, blues, reggae, R&B, and jazz.

 

Types Of Metals and Alloys



The next topic for our guitar string primer is: Types of Metals and Alloys. Manufacturers use a number of metals and alloys (an alloy is a mixture of metals) for their strings and their string windings. Each provides a distinct set of benefits and sounds.

80/20 Bronze - This is an alloy of 80% copper and 20% zinc, sometimes referred to as brass. 80/20 Bronze strings have great acoustic clarity coupled with extra-bright, with strong, deep bass response.

Phosphor Bronze - Introduced to string-making by D'Addario, phosphor bronze strings last longer than conventional bronze alloy strings. The small percentage of phosphorous in the alloy helps them to retain their sound for longer periods.

Nickelplated Steel - Nickelplated steel in an alloy that has an electroplating of 8% pure nickel over steel. The steel alloy is ideally suited for magnetic pickups and the nickel plating provides a nice finish that is oxidation resistant while providing a surface softness. It is bright-sounding and long-lasting without promoting premature fret wear. These strings provide great overall tone and has been the best-selling type of electric guitar string over the last 50 years.

Stainless Steel - Stainless steel is a highly magnetic alloy. Stainless steel strings are excellent for magnetic pickup amplification and are noted for their exceptional brightness, anti-tarnishing characteristics, and extreme durability. Stainless steel is also available for some acoustic/electric instruments.

Silk & Steel - An excellent choice for smaller-body guitars, Silk and Steel strings provide the soft feel and mellow tone preferred by many folk and finger-style players. The strings are manufactured by interweaving Silk under a silver-plated copper winder, on top of a steel core. You get a soft feel, with reduced finger noise.

Silverplated Copper - Bare round copper wire is electroplated with pure sterling silver. This wire is ideally suited for classical guitar strings.

Nylon Strings - A term that usually refers to the full complement of 6 strings used on classical guitar. Usually the first three (treble strings) are monofilament (solid) nylon. The last three are a monofiliment core wrapped with one of the metals described in this guitar strings primer.

Nylon Trebles - Refers to monofilament nylon commonly used for the first three strings on a classical guitar. D'Addario uses 3 types of nylon treble material: Laser-selected Pro-Arte nylon, rectified nylon, and standard nylon.



Guitar String Gauge



As you can tell by a quick examination of the strings on a guitar, the highest notes are produced by the thinnest string and the lowest are produced by the thickest. The thickness of your strings is known as the gauge. Hopefully, this guitar string primer will help you understand the keys to Guitar String Gauge.

Thinner strings are easier to press down to the fingerboard, something a new player will appreciate. Thicker strings provide more punch, tone, and sustain, but are more difficult for a beginner to play well.

Guitarists refer to sets of strings based on the gauge (diameter) of the high-e (thinnest) string. So, if the gauge of the high-e string is 0.010 (one one-hundreth of an inch in diameter), the strings are called "10's".

A common set of names have developed for the various string gauges. However, to be certain, you should learn the names and sizes of your preferred manufacturer. Here is our attempt to sort out the common names:



In addition to the standard sets, some manufactures recognize that players want non-standard combinations, such as Light-Heavy (light trebles, heavy bass), Custom Lights (extra light trebles, light bass) and Medium-Heavy (medium trebles, heavy bass). In addition to these general custom sets, some are directed at specific genres of players, such as bluegrass, or jazz.

Which diameter is right for you?

Heavy gauge strings offer 'thicker' tone and louder volume but are harder to play. Conversely, lighter strings will have slightly less volume and depth but are easier to play. If you are new, try lights (9-42's or 10-46's) first (in fact, most new guitars are sold with lights). As your play improves, you will probably want to move to a heavier gauge string. Why? To achieve more sustain, more punch, and the increased stability of pitch.

Part of the answer also depends upon your guitar. Some instruments are constructed with a specific range of gauges in mind. My acoustic, for example, can use extra lights, lights, and mediums, but use of anything heavier is discouraged. The reason for this is that heavier gauges of strings place increased tension on the neck of the guitar. Check your owner's manual for such restrictions.



Other Factors To Consider



Color Coded Ballends



twist locks and ballends
Several manufacturers make it easy for you to easily tell the diameter of each string by color coding the ballends.

A ballend (see the image at left) is the brass ferrule affixed to the end of a guitar string (this does not apply to classical strings). The ballend is secured in place by the lock-twist, which is a method of wire twisting.




Bass Guitar Scale Length

Bass guitarists have to select the right number or strings, the right gauge, the right alloys, and the right scale length.

Scale length is the distance from the nut, at one end of the neck, and the bridge saddle, at the other end.

For years the industry standard scale length was 34-inches. However, with the introduction of five and six-string bass guitars, manufacturers experimented with longer scale lengths. The longer length increases the clarity and tone of the low B string. This has stretched the scale length to 35 and even 36-inches.

In addition to the standard 34-inch scale length, and the longer 35 and 36-inch lengths, you will also find so-called short-scale bass guitars, for smaller framed players, with scale lengths as short as 30-inches.

To determine the scale length of your bass guitar, use a measuring tape to determine the length from the nut to the bridge saddle. This is your effective scale length, but is not the scale length to purchase. Next, determine the length from your bridge saddle to where the ball-end of your string is fastened to the guitar. On some bass guitars the ball end rests in a cup that is very close to the bridge saddle. On others, the ball end connects much further from the bridge saddle, perhaps as much as 1 to 2-inches. Finally, add the effective scale length to the length needed to attach the ball-end of the string, this is the minimum scale length you should purchase.

Here is a guitar strings primer tip to make measuring scale length very easy. The next time you plan to change your strings, get a marker of some type (a magic marker or white-out each work well) and put a mark on your lowest string immediately after where it crosses the nut (see the image at left). Next, remove the string and measure from the ballend to your mark. This is the minimum scale length you should order.

Common Bass Guitar Scale Length Terms
Measured Length
String Scale Length Required
Up to 32"
  Short
32" to 34"
  Medium/Normal
34" to 36"
  Long
36" to 38"
  Super Long


Some manufacturers describe their strings as "short" or "super long" rather than show the scale length on the package. The chart at right is a simple attempt to match your measured scale length to manufacturer descriptions.





Tapered Bass Strings

Another element to cover in a guitar strings primer is tapering, which is a usually only a choice for the B-string on 5 and 6-string basses.

A non-tapered string includes a full-thickness winding the entire length of the string (up to the twist-lock). This means that the thick portion of the string passes over the bridge saddle. This is the way most bass strings are made, and what you will get unless the package specifically identifies the contents as "tapered."

A tapered string is thins to only a single winding, which is much thinner, within the last one to two inches of the ballend. The thinner gauge string passing over the bridge saddle allows the string to vibrate more naturally. (The next time you pass by a piano with the top open, take a look at the bass strings, they are almost certainly tapered.) Many believe that a tapered B string produces more accurate intonation, stronger tone, and improved sustain.

A couple of important notes regarding tapered bass strings:

Raise The Saddle
If you choose a tapered string, you will have to raise the saddle for the B-string (the string is thinner at the bridge saddle, so you must compensate for this). This is normally an easy adjustment, but if you've never done it before, consult your owners manual. If you switch back to non-tapered strings, be sure to move the bridge saddle back down.

Beware Long Ferrule Distance
If your bass places the ferrule (the cup where your ballend rests) a long distance from the bridge saddle, the taper will be pulled beyond the bridge saddle, which does you no good.


Extended Life Coatings

I frequently use extended-life coated strings on my acoustic guitar. Are they right for you? Maybe. Let's look at what they are in this next section of the guitar strings primer, along with several advantages, and disadvantages.



What are Coated Strings?

You have to admit: There's nothing like the sound of new strings. The tone, the sustain, the stability for remaining in-tune. These are all reasons why traveling and professional musicians tend to change strings every single day.

Soon, however, your strings age. In fact, every time you play your guitar, you damage the strings. The amount of damage you inflict depends on a number of factors: how wildly you tune them; how clean your hands are; how much you sweat; the oils your hands naturally produce; the contaminants in the air around you; and how well you clean your strings after you play. In short, the more skin, sweat, dirt, and debris you leave on your strings, the faster they wear out.

Manufactures decided to help you by putting a barrier between your strings and all these contaminants. What they came up with varies from polymer coatings (such as the D'Addario EXP's) to very thin tube of material around each string (on Elixir's). Each of these approaches create a 'skin' to protect the string.



Advantages: Tone, Longevity, Reduced Squeak

Most people think the only advantage of coated strings is the extended life they provide. But if they don't sound great, long-life is just a long time spent with annoying strings. However, a good extended life string will provide the same tone of uncoated strings while lasting much longer. Estimates on how much extra life you can expect varies from 3 to 5 times longer than non-coated strings. Whether of not they do depends on how you play. For me extended life strings easily provide the promised life expectancy, and more. Perhaps keeping the guitar in a hard-shell case and always wiping off the strings after I play helps maximize the life of strings. On the other hand, a friend of mine who tried extended life strings found that the coating became shredded in about the same amount of time that his other strings wore out. He routinely plays bluegrass, and both his strumming and picking are vigorous.

Finally, most of these coatings significantly reduce finger-squeak from sliding your fingertips up and down the fretboard.



Disadvantages: Cost

Cost is the primary disadvantage of coated strings. However, if they last three to five times longer than a normal set, the investment will pay for itself.



All Things Considered, What To Choose?



Now that our guitar strings primer has pumped you full of information, how do you put it all together? Here are a few suggestions to get you started.

The most important consideration is the type of strings recommended by your manufacturer for your guitar, basically: nylon, acoustic, or electric. Beyond that your level of play is the next most important consideration: lighter for beginning guitarists, heavier as you gain experience. Check your owners manual to ensure your guitar can handle thicker gauges.

Next, consider the music you enjoy playing. Some strings are made specifically for a style of music. For example, there are sets for bluegrass and jazz.

Consider the strings you have now. If you want a heavier tone, try a thicker gauge. If your guitar booms out the bass and you wish to thin the sound out, try a set of 80/20 bronze. If you want a vintage sound for you electric, try nickel strings.

Finally, consider the fact that guitar strings are relatively inexpensive. The next time you need a set, buy one or two sets you have never tried before and see what they sound like. You may stumble upon a new favorite!

 

 

 

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