How Tuning-Peg Rotation Relates to Pitch Change
Explore pitch changes from tuning-peg rotation with an interactive string model. Compare tension and cents, and learn how friction affects real tuning.
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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.
We create instruments that are more reliable, easier to play, and richer in sound.
We continually create lasting value for our customers, employees, and society.
Kepma String Vibration Visualization and Sound Synthesis Tools
Explore string vibration, harmonics and synthesis. Check 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.
Kepma Online Tuner
Use the Kepma tuner for instruments and alternate guitar tunings. Set A4 calibration, noise reduction and cent tolerance; read the controls and guide.
KEPMA FILM
A Virtual Tour of Kepma Guitars
Follow the camera inside Kepma Guitars and see how every guitar comes to life.