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Unique Electronic Musical Instruments

Delptronics offers Eurorack synthesizer modules, drum machines, pedals, kits, and other unique electronic musical instruments. We have lots of interesting sonic devices in development, so contact us to get on our mailing list, or follow us on Facebook, Youtube, and Instagram. You can also follow Chief Inventor Mickey Delp on his blog, Facebook, Twitter, and Youtube.



Module Construction Set

The Module Construction Set makes building DIY Eurorack modules easy! With the Construction Set, a module consists of two circuit boards connected together by male and female headers. The bottom board is laid out the same as a breadboard. The top board has a flexible grid layout for placing controls and jacks in millions of configurations. No more flying wires to connect panel parts to your protoboard, and no L-brackets needed.


WiiChuck Module Kit

The Delptronics WiiChuck Eurorack Module is a Nintendo® Nunchuck controller to CV interface. Control your modular with one hand. The module gives you four CV outputs from the joystick and accelerometer, And two trigger outputs, from the buttons.
Assembled (non-kit) version coming soon.


LDB-1se Analog Drum Machine Kit

The LDB-1se is the second edition of Delptronics' modern classic LDB-1 “Little Drummer Boy” Analog Drum Machine. Our goal was to recreate the warm analog sounds of the legendary 80's machines. Easily interfaces with other instruments, synthesizers, drum machines, sequencers, DAWs, etc. through MIDI, DINsync, and analog connections. Many more parts and features than the original kit — at the same price!


Modules & Stompboxes



The Theremorph is a synthesizer with a Theremin-esque optical control. This full-featured synth is packed with a DCO with analog wave shaping, transistor ladder low pass filter, envelope, and LFO. Control the Theremorph with MIDI or analog CV/Gate signals, or use it as a controller with both MIDI and analog outputs.


The LDB-2e Analog Drums Eurorack Module

The LDB-2e “Little Drummer Boy” analog drums Eurorack module is an update to our popular LDB-1e module. It is 6 HP (only 2HP wider) and now includes the individual volume controls and output jacks functionality of the old expansion module.
The LDB-2x expansion module is totally new and gives you knob and CV control of the pitch of every drum, and the decay of the kick and open hi-hat.


Trigger Man V2 - Trigger/Gate Sequencer Eurorack Module

The Deptronics Trigger Man Eurorack module unique trigger/gate sequencer with a revolutionary interface that enables you to create any sequence with just two knobs.

There are 8 trigger outputs, each with its own 8 step sequence. It has 8 pattern memories (sets of 8X8 sequences), which can be played back in any order and chained into a series of patterns up to 100 patterns long. There are even two CV input jacks to control the sequences, patterns, or tempo. Version 2 firmware update adds tons of powerful new features in the same hardware! If you already own a Trigger Man, find out how to get the update.

The Trigger Man is even available in a stompbox format so you can trigger discrete devices without needing a modular rack.


Thunderclap Analog Hand Clap Stompbox / Module

The Delptronics Thunderclap is a classic analog hand clap effect based on the famous hand clap sound of the TR-808 and TR-909 drum machines with extra knobs to tweak the sound from claps to finger snaps to snares to cymbals to thunderous crashes.

The Thunderclap is available as an Eurorack module, or a stompbox in a heavy-duty aluminum enclosure with awesome graphics.


ThunderBell Analog Cowbell

The Deptronics ThunderBell is a classic analog voltage controlled cowbell. The circuit is inspired by the great cowbell sound in the Korg KR-55. The ThunderBell adds voltage controlled pitch and the Eurorack module version also includes voltage controlled decay.

The ThunderBell is available as an assembled Eurorack module, assembled inside an actual cowbell.


Coming Soon

Sign up for our new product mailing list to be notified when new Delptronics products are available.


CV to MIDI Eurorack Module

Control your DAW or any MIDI hardware from your Eurorack. The Delptronics CV to MIDI Module has 24 CV inputs, each individually configurable to send any MIDI message: Gate (Note On/Off), Pitch, Velocity, Aftertouch, Pitch Bend, Mod Wheel, CC, NRPN, Program Change, Clock, Start/Stop.


General MIDI Audio Module

The Delptronics General MIDI Audio Module adds the full General MIDI sound set to your Eurorack. Simply plug your DAW or MIDI sequencer into the module, then patch the synth-level outputs into the rest of your Eurorack modules.



November 7, 2019

Delptronics was awarded Best of Austin for Best Non-Traditional Musical Instruments!

September 6 - 8, 2019

Delptronics was at Knobcon #8.
We lead a DIY module building workshop!

March 28 - 31, 2019

Delptronics was at Synthplex.

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Best of Austin - Non-Traditional Musical Instruments