Koto: A Complete Buyer's Guide

There's a particular kind of quiet that settles over a room when someone lays out a proper koto and starts adjusting the bridges before they've played a single note. That care isn't ceremony for its own sake — it's necessity, because this instrument gives up almost nothing to a rushed buyer. Get the wrong one, or the right one badly set up, and you'll spend months fighting an instrument that was never going to reward you. Here's what actually matters before you part with any money.

Decide on string count first

The traditional 13-string koto is the right choice for the overwhelming majority of buyers, and it's what almost every teacher will expect a student to bring to lessons. The deeper-voiced 17-string koto, sometimes called the jūshichigen, exists to serve as a bass instrument within an ensemble — it isn't a beginner's purchase, and buying one without a specific ensemble need is usually a mistake. Larger 20- and 25-string koto belong firmly in contemporary and concert settings, not a first purchase.

Check the body and the wood

A traditional koto is carved from a single length of paulownia, a pale, light Japanese wood chosen for how it resonates rather than for how it looks. When you're examining a koto in person, look and listen for:

• Cracks or splits in the body, particularly along the seams where the arched top meets the flatter underside.
• Warping — the body should lie flat and true, not twisted or bowed.
• Consistent tone across the strings when they're all set to a comparable pitch; a dead or dull-sounding string can point to a problem in the koto's body itself, not just that string.
• Loose fittings at either end, where the strings anchor.

None of this takes long to check, and a few minutes with your ear close to the body will tell you far more about a koto than any spec sheet or listing photo ever could.

Strings, bridges and the smaller details

Traditional koto strings were silk, and some players still prize the tone, but most instruments sold today use synthetic material such as tetron, which holds tuning better and stands up to regular playing far more reliably. Neither choice is wrong, but know which you're buying, since re-stringing a koto built for one type with the other isn't always straightforward.

Bridges matter more than their small size suggests. Plastic bridges are standard on modern instruments and perfectly capable; older or specialist koto sometimes use wood or ivory-topped bridges with their own particular feel underhand. Whatever the material, every bridge should sit securely and move smoothly along the body without sticking or wobbling — a bridge that won't hold its position defeats the entire tuning system a koto relies on.

New, second-hand, or ask a teacher

Buying second-hand can work well, especially given how sturdy a well-made body tends to be, but have someone who actually plays test it before you commit — ideally a teacher, since posture, technique and school (Ikuta-ryū or Yamada-ryū) all shape what a good instrument feels like in practice. If you don't yet have a teacher, that's worth arranging before the purchase, not after; the guidance you get on picks, bridge placement and tuning will shape which instrument actually suits you.

What you'll need alongside it

• A set of tsume, the plectra worn on the right hand, sized to fit your fingers — these are rarely one-size-fits-all.
• A stand or floor mat suited to the traditional low playing position.
• A rigid case or cover, given the instrument's length and the delicacy of the body.
• Somewhere stable and indoors to store it, away from direct sun and sudden changes in humidity.

For a broader sense of price tiers and what separates a beginner instrument from a concert-grade one, our guide to the best kotos for the money is worth reading alongside this one, and if you're not yet sure the instrument is right for you, our overview of how it works is a good place to start.

The bottom line

A good koto is judged by its wood, its bridges and how honestly every string responds, not by how impressive it looks resting against a wall. Take your time, bring someone who plays if you possibly can, and buy the instrument that suits the teacher and repertoire you're actually working towards, not the biggest or most elaborate one on offer.

Frequently Asked Questions