How Tuning-Peg Rotation Relates to Pitch Change
Why does turning each tuning peg by the same angle change pitch by different amounts? Kepma explains the physics with equal temperament and cents, plus an interactive simulator.
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Kepma is dedicated to crafting guitars with outstanding sound and dependable workmanship.
Through precision manufacturing and continuous improvement, we help more people enjoy music.
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The Story of Kepma and My Guitar
A comic-format record of the journey between Kepma founder Peng Jinhui and his guitar — from a rural village in Hunan to founding a guitar brand of his own.
The Aroma of Wood: Exploring the Scent of Guitars
Guitar smells come from wood, glue, finish, cases and storage. Learn cedar species differences and why scent does not establish tone or wood quality.
Kepma String Vibration Visualization and Sound Synthesis Tools
Explore ideal-string harmonics and synthesis, static fretting-force assumptions, kg versus kgf, and illustrative filters versus measured damping.
Kepma Online Spectrum Analyzer
A free, open-source spectrum analyzer that runs in your browser — handy for on-site tuning and any situation that calls for spectral analysis. You will need to grant microphone access; it includes noise reduction and doubles as an instrument tuner (with a customisable A4 reference), so you can capture a chosen number of dBA peaks with their frequencies, plus plenty more to explore.
Right-Handed Guitar Chords · Standard · Strings 1–6 E B G D A E
Right-Handed Guitar Chords in Standard tuning. Strings 1–6: E B G D A E. Diagrams show fingers and degrees. Search, filter, save and enlarge chords.
Right-Handed Guitar Chords · Open G · Strings 1–6 D B G D G D
Right-Handed Guitar Chords in Open G tuning. Strings 1–6: D B G D G D. Diagrams show fingers and degrees. Search, filter, save and enlarge chords.
Right-Handed Guitar Chords · Open D · Strings 1–6 D A F♯ D A D
Right-Handed Guitar Chords in Open D tuning. Strings 1–6: D A F♯ D A D. Diagrams show fingers and degrees. Search, filter, save and enlarge chords.
Right-Handed Guitar Chords · Open C · Strings 1–6 E C G C G C
Explore 324 Open C chords for right-handed guitar. Strings 1–6: E C G C G C. View fingers and degrees. Search, filter, save and enlarge chords.
Right-Handed Guitar Chords · Drop D · Strings 1–6 E B G D A D
Right-Handed Guitar Chords in Drop D tuning. Strings 1–6: E B G D A D. Diagrams show fingers and degrees. Search, filter, save and enlarge chords.
Right-Handed Guitar Chords · Double Drop D · Strings 1–6 D B G D A D
Right-Handed Guitar Chords in Double Drop D tuning. Strings 1–6: D B G D A D. Diagrams show fingers and degrees. Search, filter, save and enlarge chords.
Right-Handed Guitar Chords · DAGDGC · Strings 1–6 D A G D G C
Right-Handed Guitar Chords in DAGDGC tuning. Strings 1–6: D A G D G C. Diagrams show fingers and degrees. Search, filter, save and enlarge chords.
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KEPMA FILM
A Virtual Tour of Kepma Guitars
Follow the camera inside Kepma Guitars and see how every guitar comes to life.