12 String Guitar article

12 String Guitar Explained: Features, Types and Tips

That shimmering, chorus-like sound has graced folk, blues and rock recordings for over a century — here's how the 12-string guitar actually works and why it sounds the way it does.

By Charlotte Bennett 22 April 2025 7 min read

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There is a moment — usually in someone else's living room, usually late in the evening — when a 12-string guitar gets picked up and strummed for the first time. The sound that comes out stops the room. That shimmering, full, almost orchestral ring is unlike anything a standard six-string produces. If you have ever wondered what exactly is going on inside that wider headstock and why the instrument sounds the way it does, this is the place to start.

What Is a 12-String Guitar?

A 12-string guitar has twelve strings arranged in six pairs, known as courses. Each course corresponds to one of the six strings on a standard guitar, and you fret and pick each pair together as though it were a single string. The result is a natural doubling effect that gives the instrument its distinctive richness.

The four lower courses — E, A, D and G — are paired with a string tuned an octave higher. The two highest courses — B and the top E — are paired in unison. That asymmetry is the secret behind the sound: the octave pairs on the bass strings create depth and sparkle at the same time, while the unison pairs on the treble strings thicken and reinforce the melody.

The Sound: Why It Feels Bigger Than Life

Play a chord on a 12-string guitar and you are essentially playing two guitars simultaneously, tuned in deliberate relationship to each other. Because the strings in each pair are never perfectly in tune with one another (nor should they be — tiny variations are part of the charm), the result is a natural chorus effect, something producers used to spend hours recreating in the studio with tape machines and effect units.

That shimmer made the 12-string guitar a studio favourite from the 1960s onwards. Roger McGuinn of The Byrds ran his Rickenbacker 360/12 through a compression amplifier and effectively invented the sound of folk-rock. Jimmy Page used a double-neck Gibson EDS-1275 on stage with Led Zeppelin to move between six and twelve strings mid-song. The instrument carries a certain romantic weight — it sounds like something important is about to happen.

Types of 12-String Guitar

Acoustic

The most common form. A full-bodied acoustic 12-string guitar — typically a dreadnought or jumbo shape — produces enormous volume and sustain without any amplification. It suits folk, country, bluegrass, and any style where a full, natural tone is the goal. Leadbelly, the Louisiana blues giant, played an acoustic 12-string and showed just how much presence a single instrument could fill a room with.

Acoustic-Electric

An acoustic-electric 12-string adds a built-in pickup system so you can plug straight into a PA or amplifier without sacrificing the natural resonance of the wooden body. For gigging players who want the acoustic character but need to fill a venue, this is the practical choice. Look for a good-quality onboard preamp — a bad one flattens the very shimmer you bought the guitar for.

Electric

Electric 12-string guitars have a thinner, solid or semi-hollow body and are designed to be amplified. The Rickenbacker 360/12 is the most iconic, its jangle synonymous with 1960s British and American rock. Electric 12-strings are less common today, but they occupy a very specific sonic niche — clean, bright and endlessly evocative of a particular era.

Key Features to Understand

Wider neck: Twelve strings need more room, so the nut and fretboard are noticeably wider than on a six-string. The extra width takes getting used to for chord shapes.
Larger headstock: Twelve tuning pegs (or a slotted headstock arrangement) mean the headstock is significantly bigger and heavier.
Higher string tension: Doubling the strings means roughly doubling the pull on the neck and top. Good 12-strings are built to handle this; budget models sometimes are not.
String gauge: The octave companion strings on the lower four courses are much lighter — often in the 0.008–0.010 range — which is part of why they sit above the main string in each pair.
Action: 12-string guitars typically have slightly higher action (the distance between string and fret) to prevent buzzing from all those strings, which adds to the playing effort.

A Brief History

Twelve-string guitars have roots in early twentieth-century American blues and folk. Italian and Mexican immigrants brought multi-course guitar traditions with them, and those ideas merged with the steel-string guitars being built by American luthiers. By the 1920s and 30s, artists like Leadbelly and Blind Willie McTell were playing 12-strings and giving the instrument a cultural identity tied to storytelling and raw emotional power.

The British Invasion of the 1960s brought the 12-string guitar to a mainstream rock audience. The Rickenbacker 360/12 — given to George Harrison by the company in early 1964 — shaped The Beatles' sound on A Hard Day's Night and influenced an entire generation of bands. From that point on, the 12-string was part of rock's core vocabulary.

Is a 12-String Guitar Right for You?

The 12-string guitar rewards players who want texture and atmosphere above all else. It is not the most versatile instrument in a guitarist's arsenal — fast single-note runs are harder, and the extra physical effort of pressing down twelve strings can tire your fretting hand quickly. But for open-chord strumming, fingerpicking in open tunings, or simply filling a room with sound, nothing else comes close.

If you play acoustic folk, singer-songwriter material, classic rock, or country and you want to add depth to your sound, a 12-string guitar deserves a serious listen. Even as a second instrument, kept in standard tuning and brought out for specific songs, it can transform an arrangement.

For players considering the purchase, our complete buyer's guide to 12-string guitars covers what to look for in detail, and if you want specific recommendations by budget, the best 12-string guitars for the money is worth a read too. If you are just starting out, our beginner's guide will walk you through the first steps.

The Bottom Line

A 12-string guitar is one of music's most immediately recognisable sounds — full, shimmering and somehow bigger than the sum of its parts. Understanding how it works and where it came from only deepens the appreciation. Whether you are drawn to the blues roots, the Byrdsy jangle of 1960s folk-rock, or the atmospheric sweep of a well-played open chord, the 12-string has a voice that is genuinely hard to replicate by any other means.

Frequently Asked Questions

How is a 12-string guitar different from a 6-string?

A 12-string guitar has six pairs of strings (courses) instead of six single strings. Each pair is played together, creating a natural doubling effect. The lower four pairs have one string tuned an octave higher, while the top two pairs are tuned in unison.

Is a 12-string guitar harder to play than a 6-string?

Yes, generally. The wider neck, higher string tension and slightly raised action all require more physical effort. Chord shapes are the same as on a 6-string, but pressing down twelve strings takes more finger strength. Most players adapt within a few weeks.

What tuning does a 12-string guitar use?

Standard 12-string tuning mirrors standard 6-string tuning (E A D G B E) for the main strings. The companion strings on the four lowest courses are tuned an octave higher; the companion strings on the B and high E courses are tuned in unison with their pair.

Who are famous 12-string guitar players?

Notable players include Leadbelly, who defined the blues 12-string sound in the 1930s; Roger McGuinn of The Byrds, whose Rickenbacker 12-string shaped folk-rock; Jimmy Page of Led Zeppelin; and John Denver, who used a 12-string acoustic extensively on his recordings.

Can you play a 12-string guitar with only 6 strings on it?

You can, but the guitar is not designed for it. Removing strings drastically reduces tension, which can affect neck relief and intonation. It is better to buy a dedicated 6-string if that is what you need.

Are electric 12-string guitars common?

They are less common than acoustic models but certainly exist. The Rickenbacker 360/12 is the most iconic, famous for its use by The Byrds and The Beatles. Gibson and Fender have also produced electric 12-string models over the years.