About — CMS Alpine

CMS Alpine started as a question: what would a groovebox look like if every decision was made for the musician, not the spec sheet?

Not a different feature list. Just a different set of priorities — that every decision about materials, layout, and controls should be made in service of the person using it, not in service of the render or the trade show.

Most grooveboxes are designed to look impressive. Colorful pads. LED rings. Bright screens. There's nothing wrong with that, but it's not the only way. Some of the best tools ever made were the ones nobody looked twice at — until they needed one that actually worked. The field recorder. The workhorse mixer. The keyboard that outlived three computers. Matte. Quiet. Nothing that didn't need to be there.

That's the direction we're heading. Matte black PA6-GF body. Dark walnut riser. Red-backlit pads and nothing else in color. A white OLED display because white on black is readable in a dark room without destroying your night vision. Black oxide screws because silver hardware looks cheap against a black panel.

The firmware is open source. The enclosure design is open source — when the first units ship, the STL files for every printed part go up on GitHub. Print your own case. Modify the layout. Replace the wood panels. Fork the firmware and build something we didn't think of. This is intentional, not incidental.

The enclosure is designed to be disassembled with a standard screwdriver. If something fails in five years, you should be able to fix it — or find someone who can. Most consumer electronics are designed to be replaced; CMS Alpine is designed to be repaired.

It's in active development. The first units won't be ready for a while. But the direction is clear, and the hardware design is locked in.

What we're building toward.

Utilitarian Every element on the panel has a function. The logo is small. There is no decorative chrome, no unnecessary LED color, nothing that exists to look impressive rather than to be useful.
Repairable Screws, not glue. Brass heat-set inserts, not plastic threads that strip. Standard M3 hardware throughout so you're not hunting for proprietary parts. The internals are accessible without special tools.
Durable PA6-GF is not what cheap synths are made from. It's what structural components in automotive and industrial applications are made from. It doesn't flex, doesn't yellow, doesn't scratch the way painted plastic does. This thing should survive being in a bag for five years.
Open Source The firmware is open source — read it, modify it, share what you make. The enclosure design is open source — the STL files for every printed part will be published on GitHub when the first units ship. Print your own case, change the layout, swap the wood panels for something else entirely. The Teensy 4.1 has expansion pins and the design assumes you might use them. Treat it as your own.
Timeless Matte black and dark wood are not a trend. They're a choice that ages well. In ten years this should look like a considered instrument, not a dated gadget. The design borrows from objects that have already proven they hold up: the field recorder, the vintage console mixer, instruments built before planned obsolescence was a strategy.
Direct Every knob should do one clear thing. Every pad should be reachable without menus. The OLED is for feedback, not navigation. The goal is that an hour into a session you stop thinking about the interface and start thinking about the music.

The team.

CMS Alpine is a small distributed team. Everyone is doing this because they want the instrument to exist.

DSP

Vera

Prague

Embedded

Finn

Galway

Hardware

Otto

Stuttgart

UI / UX

Lena

Malmö — Berlin

Mechanical

Cal

Vermont

Project

Margot

Lyon — Amsterdam

Sound Design

Ryo

Kyoto — Amsterdam

App Firmware

Tomás

Brno

PCB Layout

Grace

Taipei — San Jose

Panel Graphics

Hana

Seoul — Hamburg

What we're learning from.

Not a mood board. Objects and projects that demonstrated something worth paying attention to.

ThinkPad X1 Carbon Matte black, muted red, built for actual use. Proof that restraint in materials and color results in something that looks as good the day it's made as it does five years later. The TrackPoint is the direct ancestor of our accent color.
Elektron Digitone The right idea about layout density. Every encoder does something real. The workflow is demanding but not arbitrary — there's logic to where things are. We disagree on the silver aluminum finish, but the seriousness of the instrument is exactly the register we're after.
Mutable Instruments Émilie Gillet's approach to DSP: do the math correctly, document it properly, and release the source code. Braids, Plaits, and Clouds are reference implementations for the synthesis engines we're building. The firmware philosophy of CMS Alpine is directly downstream of this work.
Teenage Engineering OP-1 Field Proof that an instrument can be visually distinctive without being noisy. The matte black Field edition especially. We're not copying the TE aesthetic — their design language is different — but the commitment to material quality at that price point is the benchmark.
Braun / Dieter Rams The ten principles still hold. "Good design is as little design as possible." Nothing on the CMS Alpine panel exists purely to fill space. If a label can be removed because the control is obvious, it will be.

Why this exists.

What we're building toward.

The team.

What we're learning from.

Follow the build.