The K Mark Acoustic Custom
Meet the K Mark acoustic custom guitars: Dark Knight and White Rose. Explore Kepma engineering for playability and modern acoustics.
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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.
A Preliminary Acoustic Model of the Guitar
Understand how strings, bridge, soundboard and air interact in an acoustic guitar. Explore energy transfer, radiation and the limits of simplified models.
Intelligence and Perfection
Smart guitars raise questions about technology, craft and musical expression. Read Kepma’s perspective on precision, natural materials and playing.
How Should a Left-Handed Player Choose a Guitar?
Choose a left-handed guitar with confidence. Compare picking comfort, string order and bridge setup, and find a comfortable fit.
Exploring “Unusual” Guitar Top Appearances: Yin-Yang Effect, Color Variation and Mineral Streaks
Explore soundboard runout, colour variation, silking, mineral lines and bearclaw. Separate appearance from evidence about guitar structure and tone.
Fundamentals of Guitar Modal Concepts
Explore modal guitar analysis: natural frequencies, mode shapes, damping and coupling. Check equation assumptions and an illustration of nodes and antinodes.
Exploring Bearclaw
Learn what bearclaw spruce reveals about appearance and material structure. Distinguish specimen tests from guitar tone, and compare condition, playability and price.
Effective Practice for Acoustic Guitar
Build a guitar practice routine using clear goals, a metronome and recording feedback. Re-test your progress and adapt the schedule to your current ability.
Circle of Fifths: Interactive Guide
Explore keys, signatures, scales and chord progressions with an interactive circle of fifths. Hear examples and distinguish equal-tempered fifths from pure ratios.
Analysis of the Ingredients, Efficacy, and Application of Guitar Fretboard Care Oils
Fretboard care oils explained: compare mineral, plant and formulated lemon oils, check maple restrictions, and apply conditioner only where permitted.
An Analysis of the Science and Practice of Adhesives in Guitar Making
Compare guitar adhesives by joint fit, load, cure and repairability. Learn about hide glue, wood glues, CA, epoxy and water-resistance limits.
Acoustic Guitar Wood Selection: Empiricism and Engineering Capability
Choose guitar woods by density, directional stiffness, loss and moisture. Understand impedance, radiation-ratio limits and equilibrium moisture estimates.
KEPMA FILM
A Virtual Tour of Kepma Guitars
Follow the camera inside Kepma Guitars and see how every guitar comes to life.