Wednesday, October 21, 2026
The M-VAVE FM-1 Firmware for Dark Ambient – GR!MM #mvave
video upload by GR!MM // Deathdream
You can find the M-VAVE FM-1 on Amazon.
Additional demos below.
"GR!MM is a free, open-source custom firmware for the M-VAVE FM-1. It turns the little FM synth into a dark ambient instrument with four tracks, your own samples, tape and grain effects, chords and a sequencer. Everything is saved automatically.
Easy install:
▶ https://thefirmwarehub.com/ (choose the FM-1, then GR!MM)
▶ Try it in your browser (no FM-1 needed): https://grimmbient.github.io/grimm/
▶ Online editor (sounds, samples, backups): https://grimmbient.github.io/grimm/ed...
▶ Download & source: https://github.com/GRiMMBIENT/grimm/r...
▶ Cheat sheet: https://thefirmwarehub.com/cs/grimm/
▶ Controls sheet: https://shorturl.at/jqUt8
WHAT'S INSIDE
4 tracks, each with its own sound, latched and played together from HOME
Six sound sources, including full 6-operator FM
Your own samples, with a warm tape warble
TAPE, GRAIN, DELAY and SPACE effects, with freeze and infinite space
PERFORM page for live tricks
Chords, a step sequencer and song mode
Autosave: switch it off, switch it on, it's all still there
A browser editor: shape sounds with sliders, drop in WAV files, back up everything in one click
GR!MM is built on Dinghy, Felucca and SLOOP and released under GPL-3.0. Thanks to their makers.
Want to see this firmware on the SMK37? feel free to contribute: https://ko-fi.com/grimmbient
#mvave #fm1 #synth #ambient #customfirmware #darkambient #fmsynthesis #firmware"
M-VAVE FM-1 / GR!MM / Collab with Firmware Maker #mvave
video upload by Apetactics and GR!MM // Deathdream
"The ultimate 'M-VAVE FM-1' FW is here! 🎛️💥
This project started when GR!MM—the mastermind behind the custom user Firmware with the same name for the M-VAVE FM-1—reached out to Apetactics after seeing his video showcasing that Firmware inside the Web-Emulator. They immediately knew they had to link up for a fresh, official collaboration.
Apetactics needed a MIDI input Filter to limit the device to 1 MIDI Channel only. He was absolutely shocked—that very same evening, GR!MM already had the Update with the changes completely ready! Now, just 1 day later, the New Collab is here.
Enjoy the track and download the hot FW! 🔥
(
Damian (Apetactics) | Ambient IDM from Switzerland. Raw, one-take hardware performances featuring modular synthesizers, samplers, and alive beats—video-recorded for an honest presentation.
I like to find other performers and lovely people to connect and to Grow Channels with EM.
Feel Free to follow this fun, place some Comments like you already do, and Enjoy, Thanks
(
0:00 Intro
1:00 Fire 1
2:00 Fire 2
3:00 Fire 3
4:00 Fire 4
5:00 Outro"
GR!MM Turns the FM-1 Into a Dark Ambient Machine
video upload by substatica drones
"GR!MM turns the M-VAVE FM-1 into a dark ambient machine for drones, decayed textures, eerie sequences and beautifully unsettling sound. GR!MM turns the FM-1 into a four-track drone and atmosphere machine: seven sound sources, long dark effects, a 64-step sequencer per track, one-key chords, an arpeggiator, song mode and live performance tricks. Everything is drawn in a pixel-brutalist style, with an eye that watches the music and candles that burn with each track."
See dealers on the right for pricing and availability on gear.
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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