Nylon string guitars use nylon (or gut) strings and are designed primarily for classical and fingerstyle playing. Steel string acoustic guitars use steel, bronze, or phosphor bronze strings and are designed for strummed and picked styles across folk, country, pop, and rock. The choice between them is primarily about musical style: if you want to play classical, flamenco, or bossa nova, choose nylon. For virtually every other popular style, choose steel strings. Physical differences in playability, tone, and construction make switching between them awkward β the choice should be made upfront.
Many beginners hear that nylon strings are "easier on the fingers" and choose a classical guitar, then find it doesn't suit the music they want to play. Others buy a steel string acoustic for classical repertoire and find the bright tone and narrower neck work against the music. Understanding the genuine differences between the two types prevents a common and expensive mistake.
How Nylon and Steel Strings Differ Physically
The difference in strings creates a cascade of physical and tonal differences throughout the guitar:
- Nylon strings: Treble strings (1st, 2nd, 3rd) are solid nylon monofilament. Bass strings (4th, 5th, 6th) are nylon cores wound with silver-plated copper.
- Steel strings: All strings are steel core with various wrapping materials β phosphor bronze and 80/20 bronze being most common for acoustic guitars.
String tension: Nylon strings produce approximately 80β90 lbs of total tension on the neck. Steel strings produce approximately 150β180 lbs. This difference in tension determines almost every structural choice in the guitar's construction β body shape, bracing pattern, neck joint angle, and bridge design. Putting steel strings on a classical guitar designed for nylon will damage or destroy the instrument within weeks.
Neck width: Classical guitars typically have a nut width of 52mm (2.05 inches). Most steel string acoustic guitars have a nut width of 43β44mm (1.69β1.73 inches). The wider neck of classical guitars is intentional β classical technique requires plucking individual strings with precise finger placement, and the wider spacing prevents inadvertent muting of adjacent strings. For beginners with large hands, the wider neck can feel natural. For those with smaller hands, it can be challenging.
Action and playability: Classical guitars are typically set up with higher string action than steel string acoustics, which can make them physically harder for beginners. However, the lower tension of nylon strings compensates partially β fretting nylon strings requires less finger pressure than fretting steel strings at equivalent action heights. The net result: most beginners find steel string acoustic guitars easier to play overall, despite common advice to the contrary.
Tone: How They Sound
Tone is the most significant practical difference between the two types:
- Warm, mellow, and rounded in the high frequencies
- Less sustain and volume than steel strings
- More percussive pluck quality β the attack of each note is soft
- Naturally suited to fingerpicking; strumming with a pick sounds harsh or muted
- Less projection in loud environments without amplification
- Sounds best at moderate playing volumes; doesn't clean up well with aggressive playing
- Bright, projecting, with prominent high-frequency shimmer
- More sustain and natural volume
- Well-defined attack with a clear ring to each note
- Works well with both fingerpicking and flatpick strumming
- Projects well in live settings without amplification
- Responds to dynamics β plays softly for gentle passages, opens up with aggressive strumming
The tonal difference is not subtle. Playing the same chord progression on both types produces a recognizably different sound β one that listeners associate strongly with specific genres. Classical and Brazilian guitar recordings sound like nylon strings. American folk, country, and pop-acoustic recordings sound like steel strings. If you're trying to play music that sounds like a specific recording, identifying what type of strings the original uses is the starting point.
Musical Styles: What Each Is Suited For
- Classical guitar (all classical repertoire is written for nylon string)
- Flamenco (uses specialized flamenco guitars with even lighter construction)
- Bossa nova and Latin jazz (JoΓ£o Gilberto, SΓ©rgio Mendes)
- Fingerstyle arrangements with a warm, intimate character
- Solo guitar performance in quiet acoustic settings
- Singer-songwriter and folk (Bob Dylan, Joni Mitchell, Taylor Swift)
- Country and bluegrass
- Contemporary pop acoustic arrangements
- Blues (acoustic Delta blues, fingerpicking)
- Rock (acoustic sections, campfire guitar)
- Celtic and traditional folk music
- Fingerstyle guitar: Both are used depending on the desired tone
- Jazz: Many jazz guitarists play nylon string acoustic; many play archtop electric; some play steel string acoustic
- World music: Depends entirely on the specific tradition
Cost and What to Expect at Different Price Points
Both types are available across a wide price range. Entry-level instruments start around $100β$200 for functional student guitars; professional-grade instruments run $2,000β$10,000+.
- $100β$200: Student nylons for beginners. Yamaha C40, CΓ³rdoba C3M. Adequate for learning, limitation is playability and tone consistency.
- $300β$600: Mid-range classical guitars. Cedar or spruce tops, improved intonation and playability. CΓ³rdoba C5, Yamaha CG142.
- $800β$2,000: Solid top classical guitars. Significant tonal improvement. CΓ³rdoba C9, Kremona guitars.
- $2,000+: Professional-grade instruments with all-solid tonewoods and hand voicing.
- $150β$300: Entry-level laminate acoustics. Yamaha FG800, Fender CD-60S. Functional for learning.
- $400β$700: Mid-range with solid spruce tops. Taylor Academy, Seagull S6. Noticeably better tone and playability.
- $800β$1,500: Upper mid-range with solid wood construction. Martin 000-15M, Taylor 214ce.
- $1,500+: Professional solid wood guitars with premium tonewoods and construction.
For beginners, the most important advice is to spend at least $200β$300. Guitars below $150 often have intonation problems, high action, and construction issues that make learning physically harder and less enjoyable β and they don't accurately represent what the instrument is capable of.
Which Should Beginners Choose?
For most beginners, the decision is simple:
- If your musical goal is to play classical music: Choose nylon strings. Classical repertoire is written for this instrument, and learning classical technique (finger positioning, posture, right-hand nail technique) requires the correct instrument.
- If your musical goal is to play popular music (pop, rock, folk, country): Choose a steel string acoustic. The vast majority of popular music is recorded and performed on steel string guitars.
- If you're unsure: Choose a steel string acoustic. It's more versatile, more forgiving for beginners learning to strum, and sounds like the guitars you hear in most popular music.
For a deeper comparison of acoustic and electric options, our acoustic vs electric guitar guide covers the decision from a different angle β amplification, genre, and practice context. For specific recommendations, see our guide to choosing the best acoustic guitar under $500.
FAQ
Can I put nylon strings on a steel string acoustic guitar? Not advisably. The two types of guitars are designed around different string tensions and have incompatible bridge designs. Classical guitar bridges use a tie-block where strings are looped and knotted; steel string acoustic bridges use ball-end strings that seat in bridge pins. Even setting aside the pin compatibility issue, the neck, bracing, and top of a steel string acoustic are designed for the higher tension of steel strings. Putting nylon strings on it results in a loose, buzzy sound and may require bridge saddle and nut modifications. It's not a useful experiment.
Is a classical guitar easier to learn on than a steel string acoustic? This is the most common misconception about nylon string guitars. Nylon strings require less finger pressure to fret due to lower tension, which is true and reduces finger soreness in the first weeks. However, classical guitars typically have higher string action and significantly wider necks, which creates different physical challenges. Most students find steel string acoustics faster to learn on overall β the narrower neck suits the chord shapes used in most popular music, and the setup tends to be more optimized for playability out of the box. The "nylon is easier" claim is oversimplified.
Do nylon strings go out of tune more than steel strings? Yes, especially when new. Nylon strings stretch significantly during the first 1β2 weeks of use, requiring frequent retuning until they settle. New steel strings also stretch, but the settling period is shorter (a few days vs. a week or two). After the break-in period, nylon strings hold tune reasonably well under stable temperature and humidity conditions. In outdoor or variable-humidity settings, both types will detune, but nylon is somewhat more sensitive to humidity changes.
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