Knobcon 2025 with Jeremy Parker

video upload by Jeremy Parker

00:00 Intro
03:23 Welcome Reception
10:02 Entropy & Sons
12:10 Hive Mind Synthesis
13:56 Novation
15:57 Shrimp Tank Pt.1
18:54 TotoRobyn
20:07 Shrimp Tank Pt.2
21:17 Schedule
21:52 Big Room Saturday Night
22:51 Golden Shrimp Guild
25:31 Deft Audio
31:24 SISKworks
33:36 Dog Paw Music
36:30 Outro

"#knobcon #synthesizer @suitandtieguy

Here's my rundown of Knobcon 2025 'Synthmania XIII', with coverage of performances, new gear and the experience of actually getting to play there with Cowboy Ben Alman a.k.a @TheEntireRobot . Thanks to Suite And Tie Guy for letting us play on Friday, and Daniel Kushner for getting us on Saturday afternoon’s festivities with support from the whole Golden Shrimp Guild. What a blast! Here are some handy links:

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Deftaudio Luma mu: LinnDrum voice in a Eurorack module! #knobcon

video upload by CatSynth TV

"Our friends at Deftaudio present the Lumaµ (Luma-mu), a single voice version of their Luma 1 LinnDrum recreation in Eurorack format. It uses the same discrete electronics and EEPROMs as the original, with various CV options that allow one to use it as a traditional drum-machine or go in different creative directions.

To find out more, please visit https://deftaudio.com
For more on Knobcon, please visit https://knobcon.con

0:00 Introduction
0:10 The Lumaµ (Luma-mu)
3:15 Tonal wavetables
5:24 Importing your own sounds
6:11 Conclusion

Please consider supporting this channel to help us bring you more synthesizer tutorials and other content.

Merch: https://shop.catsynth.com
Patreon: / catsynth
Ko-Fi: https://ko-fi.com/catsynth"

Luma-mu - Tutorial 06 - A true in-tune polyphonic synth

video upload by DeftAudio

Luma-mu tutorials

"This tutorial is on the latest integration of Luma-mu and Teensy 4.1 MIDI interface to drive Luma-mu clock input directly. This not only gives you the precise tuning of Luma-mu for perfect pitch stability but radically simplifies the integration in modular setup and makes it possible to use as a part of the polyphonic synth setup.

Teensy 4.1 1U MIDI Interface Firmware updates: https://github.com/Deftaudio/Midi-boards
Download Luma-Mu Synth sound ROM here: https://github.com/Deftaudio/Luma/blo..."

Luma-mu - Tutorial 05 - Recreating the magic of LM-1 Hi-Hat

video upload by DeftAudio

"Let's dive into the magic of Linn LM-1 Hi Hat. Will look on how it was created and make our own bank for Luma-mu. This continues a tutorial series of Luma-mu Eurorack module.

Download free Luma-mu ROMs here:
https://github.com/Deftaudio/Luma/tre..."

New Luma-mu Tutorials - Part 3 & 4

Parts 3 & 4 in the Luma-mu tutorial series have been added to the 2nd set of videos in this previous post.

Luma-mu - Luma.Tools update to support PicoROM

video upload by DeftAudio

"The new version of http://luma.tools introduces direct support for reading and writing PicoROM EPROM emulator which makes it simple to use with Luma-mu for transferring sounds. You no longer need to install extra software for PicoROM, everything is running in Web browser (Chrome) and it's cross-platform."

Multitracking the Luma-mu: All Drums, All Linn

video upload by INHALTVIDEO

"All drum sounds in this demo come straight from the Deft Audio Luma-mu module—a real Linn LM-1 voice in Eurorack form.

No samples, no microcontrollers—just direct hardware playback, multitracked and sequenced for maximum punch.

The Luma-mu delivers that classic ‘80s snap and swing, but with CV control and modular flexibility. If you’re into vintage drum sounds with analog immediacy, this one’s worth checking out."

Luma-mu - Introduction and complete overview

video upload by DeftAudio

Luma-mu - Tutorials

video uploads by DeftAudio

Playlist:
1. Luma-mu - Tutorial 01 - Basic Patching
2. Luma-mu - Tutorial 02 - Creating own sounds with Luma.tools
3. Luma-mu - Tutorial 03 - Wavetable playback
4. Luma-mu - Tutorial 04 - Creating looped wavetables for Luma-mu oscillator

"Making your own sounds for Luma-mu with https://luma.tools/ - Web-based sound editor for Luma-1 and Luma-mu."

"After launching the successful Luma-1 project, which is a precise recreation of the legendary Linn LM-1 with extended feature set, we’re announcing the beginning of shipping Luma-mu.

Luma-mu is a 10HP Eurorack module, essentially a single drum channel of Luma-1 which holds multiple sounds in its ROM. It plays samples digitally without microcontroller or software used, which guarantees the lowest latency and highest response of its 8-bit mu-Law DAC. It’s perfect for Luma-1 expansion or standalone operation.

Luma-mu feature set:
8-bit mu-law EPROM playback, exact copy of LM-1/Luma-1 channel
Removable EPROMs with 8 sounds on each, 16KB each (~1.5sec/ea)
True digital playback with no microcontroller or software involved, order of nanoseconds response time to the first sample
CV control for sound select allows playing various sounds at each step
CV control for Pitch and Dynamics
Gate control for Reset, Pause and sample Trigger
Can be clocked externally
Ability to play one shot samples or looped sounds to use it with perfectly looped waveforms as a wave oscillator
Comes with a software to make your own EPROMs
EPROM is accessible from the front with optional Luma-mu Reacharound extender module
Eurorack 10HP, 50mm depth

Luma-mu is available at https://www.deftaudio.com/
MSRP is $279."

Teensy 1U 8x14 MIDI interface by Deftaudio

video upload by DeftAudio

"A compact yet powerful MIDI and audio hub featuring 8x14 MIDI routing, 4 audio outs, 6 trigger/sync outputs, and USB connectivity. Built on the lightning-fast 600MHz Teensy 4.1 microcontroller, it supports standalone operation and deep customization through open-source hardware and software. Perfect for synth enthusiasts, modular setups, and custom audio projects.

Comes as a fully assembled 1U unit, DIY kit, enclosure, or just PCBs.

Available at www.deftaudio.com or https://www.tindie.com/stores/deftaudio/"

Deft Audio Luma-1 Drum Computer SN 063

Note: Auction links are affiliate links for which the site may be compensated.

via this listing

Video in the listing previously posted here.

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Deftaudio Luma-1 recreation of the iconic LM-1 2024

Note: Auction links are affiliate links for which the site may be compensated.

via this listing

"Luma-1 is an authentic recreation of the iconic LM-1, originally designed by Roger Linn in 1979 and now brought back by Joe Britt (check the creation story at Roger’s site). Fully recreating the original design of the LM-1, it utilizes the same audio path with the original vintage DACs and filters, runs the original LM-1 software, and adds a secondary modern processor for adding highly desirable features like loadable sounds, USB connectivity(USB MIDI Client and Host), MIDI and more."

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Deft Audio Luma 1 and Luma "mu"

video upload by CatSynth TV

"An introduction to the Luma 1 from Deft Audio, a circuit-accurate reimplementation of Roger Linn's legendary LinnDrum. They are also introducing a Eurorack single-voice version of the Luma 1, the Luma μ ("Luma mu"). In addition to the original features of the LinnDrum, there are some enhancements including uploading ones own samples, and even editing via a online web app that connects directly to the instrument."

NAMM 2025: Deft Audio's LumaOne and Luma-Mu

video upload by sonicstate

"At NAMM 2025, we caught up with Joe from Deft Audio, who shared insights into their latest product, the *LumaOne*. Joe explained that LumaOne is a meticulous recreation of the iconic LM-1 drum machine. Its original was notably influential in the '80s music scene, appearing in tracks by Human League and Prince. However, with only 500 units produced, it became difficult to find. Joe recounted his journey to revive its legacy, which began during the COVID period when a rare LM-1 came into his possession, allowing him to create an accurate clone using vintage components.

LumaOne combines the classic sound of the '80s with modern enhancements like LumaTools for custom sound editing and MIDI integration. Joe also introduced Luma-Mu, a Eurorack module derived from the LM-1's voice architecture, bringing its unique sound into the modular world. Both products offer hand-built craftsmanship with LumaOne retailing at $4,500."

Luma-1 October 2024 update - New Features, Firmware, External editor

video upload by DeftAudio

"Big update on Luma-1 development status, new features added and enabled in the 0.943 firmware release. Also talking about Luma.tools - the online editor, and showing how to use it.

Links:
Luma-1 Tools (online editor): https://luma.tools
Luma-1 Firmware: https://github.com/joebritt/luma1/tre...
Update Tool: https://github.com/Koromix/tytools"

Luma Luma-1 Walnut 120v Drum Computer

Note: Auction links are affiliate links for which the site may be compensated.

via this listing

Additional Retro Gear Shop Listings

Pic of the inside below.

See a Luma-1 vs LM-1 sound comparison with Roger Linn here, and see the Deftaudio label for additional posts.

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Luma-1 vs LM-1 sound comparison

video upload by DeftAudio

"Joe Britt talks about Luma-1 design and plays patterns on both.
If you need true line out, get sound files here:
https://drive.google.com/drive/folder..."

Luma-1 plays LM-1 patterns that you always wanted to hear

video upload by DeftAudio

Luma-1 - playing lost LM1 patterns

video upload by DeftAudio

"Playing LM1 patterns on Luma-1 live, no post processing. Yamaha DMP11 used as the FX for delay and Gated Verb.

Luma-1 is an authentic recreation of the iconic LM-1, originally designed by Roger Linn in 1979 and now brought back by Joe Britt. Fully recreating the original design of the LM-1, it utilizes the same audio path (with vintage DACs and filters), runs the unmodified LM-1 software, and adds a secondary modern processor for adding highly desirable features like loadable sounds, USB connectivity, MIDI and more."

Luma-1 drum machine overview and demo

video upload by DeftAudio

"Luma-1 is an authentic recreation of the iconic LM-1, originally designed by Roger Linn in 1979 and now brought back by Joe Britt. Fully recreating the original design of the LM-1, it utilizes the same audio path (with vintage DACs and filters), runs the unmodified LM-1 software, and adds a secondary modern processor for adding highly desirable features like loadable sounds, USB connectivity, MIDI and more."

See this post for additional details.

Meet the Luma-1 - Joe Britt's Enhanced LM-1 Drum Machine In Collaboration with Roger Linn

Joe Britt LM1+ demo video upload by Roger Linn

This one is in via Soviet Space Child.

Above is a prototype Luma-1 in an LM-1 case. Below you'll see some pics of the upcoming Luma1 branded case along with some details.

According to @luma1_drum_machine:

"Welcome! We are two US based engineers who are building and selling a few Luma1 Drum Machines with Roger Linn and Joe Britt’s consent."

"While the Luma1 hardware design is in the final stage for preparation before manufacturing, there is much work happening on the software side. Luma1 is running the original LM1 code on the Z80 CPU while the secondary ARM processor delivers new features. Those include custom sound loading, MIDI, synchronization and now added OLED support. More work needs to be done to expand it and bring brand the new functionality, but we’re really happy with the progress."

Click the pics for larger shots. You can find a full write-up on Roger Linn's website here, and additional demos and pics on Instagram here.

Roger Linn: "I've recently met a new friend named Joe Britt, founder and CEO of a tech company here in Silicon Valley called Afero, and designer of some significant tech products over the years.

Lucky for me, Joe also has a personal interest in my old drum machines. A few years ago, a friend of his gave him (!) one of my old LM1 drum machines. He enjoyed playing with it, but he wished it had a few extra features like loading alternate sounds from files, and pitch and pan knobs on the front panel.

So he decided to make his own enhanced LM1. He searched the web and found some incomplete old schematics, filled in the gaps by reverse-engineering the boards, then redesigned and replaced all of the circuit boards to include his enhancements. Note in the photo above that his redesigned boards are about half the size of the original boards, and are purple! Prince would have loved that."