Kopf Blog

A cajon is a simple instrument by design. At its core, it is a box with a playing surface, internal voicing, and a relationship between wood, tension, and touch. There are limits to what can be paten …

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Every once in a while as a builder, I come across a tonewood that makes me slow down without even thinking about it. That happened to me this week when I picked up some Koa and Redwood burl panels for …

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When people talk about legendary instrument makers, they often look for their "secre"t. Some formula. Some measurement. Some recipe that explains why one builder’s work stands apart from the res …

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Some woods draw attention before they make a sound. Pomelle Sapele is one of them. Its surface looks alive, a three-dimensional ripple that shifts with the light, almost like water caught in motion. T …

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Tradition Isn’t the Goal — It’s the Byproduct of What Works When people see me using shellac, hand-fit joinery, or old tools in the shop, they often assume I’m stuck looking b …

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Why Walnut Is a Favorite Tonewood for Cajon Players When players ask me why I build so many walnut Cajons, the answer is simple: walnut delivers a sound that feels right in almost any musical setting …

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