David Haillant

Hi, I'm David.
I’ve been designing and handcrafting synth modules for over a decade.
Every circuit is designed and built with care.
Made with love, for music lovers.

Passive Multiple – 2HP, Simple VCO, ClockDivider, Tuner and Simple LFO are among David Haillants most popular products.

Contact

www.davidhaillant.com

3to1 Precision Adder Unity

3to1 Precision Adder Unity

2-channel 3-input Unity Gain Mixer

$70 MSRP

4 HP35 mmMixer Precision Adder Utility

606BD

TR-606 Bass Drum "clone"

4 HP36 mmDrum

Atten

3 x Passive Attenuators

$12 MSRP

4 HPAttenuator

Atten 1U

Passive Attenuator

6 HP15 mmAttenuator

AttenuVerter

DIY 4HP dual channel AttenuVerter

$71 MSRP

4 HP30 mmAttenuator CV Modulation Utility

ClockDivider

Arduino Clock Divider/Gate Utility module

4 HP42 mmClock Modulator Digital

DM77

Drum Module 77

10 HPDrum Synth Voice

DS8 Clone

Eurorack Coron DS-8 Clone

$120 MSRP

Discontinued

16 HP40 mmDrum

Eurorack SMPS

Power - The Switched Mode Power Supply

$120 MSRP

4 HP50 mmPower

HZR - 606BD (David Haillant)

HZR - 606BD (David Haillant)

4 HP50 mmDrum Synth Voice

MIDI 1-to-8

MIDI Through and processing: 1 input, 8 outputs

4 HPMIDI

MIDI 2 CV

3 CV, 6 Gate Output MIDI 2 CV

Discontinued

8 HPMIDI

MIDI8d

MIDI to 8 Digital Outputs

$99 MSRP

4 HP42 mmMIDI

MIDI8d+

MIDI to 4 Digital and 4 PWM Outputs

$99 MSRP

4 HP50 mmMIDI

Mixer 2x3

Simple 2 x 3 input mono Mixer

Discontinued

12 HP33 mmMixer

Mixer 4

4 AC-coupled mono input mixer

6 HP21 mmMixer

MS-20 VCF clone

MS-20 VCF clone

Low Pass Filter based on the late MS-20 VCF

4 HP50 mmFilter

Multi

2 Chained Passive Multiple

$30 MSRP

3 HP15 mmMultiple

Passive Multiple – 2HP

Passive Multiple – 2HP

A passive Multiple, in 2 HP

$29 MSRP

2 HPMultiple

Passive OR – 2HP

Passive OR – 2HP

Mix gates, triggers, and audio signals!

2 HPLogic Mixer Utility

Piezo

Contact microphone, preamplifier, CV generator with an integrated envelope follower, gate…

$89 MSRP

6 HP30 mmController Envelope Follower Envelope Generator PreAmp Utility

Simple LFO

A simple Rectangle/Triangle LFO for your rack (V1.2 and later)

$82 MSRP

4 HP50 mmLFO

Simple LFO - old

Simple LFO - old

Simple Triangle/Square LFO - deprecated (V1.1 and previous)

$30 MSRP

Discontinued

4 HP50 mmLFO

Simple LFO V1.1

Simple LFO V1.1

Simple Triangle/Square LFO V1.1 1U tile

Discontinued

12 HPLFO

Simple VCA

Single Chip, DIY friendly 4HP Simple VCA

4 HP40 mmVCA

Simple VCF

Low part count, DIY friendly 4HP Simple VCF

4 HP40 mmFilter

Simple VCO

DIY friendly 4HP Simple VCO

$8 MSRP

4 HP35 mmOscillator

Tuner

Chromatic tuner for Eurorack modular VCO

$83 MSRP

4 HPTuner

USB Power Output

USB Power Output

4 x USB A Connectors for powering your devices

$58 MSRP

2 HPPower Utility

VCO

Saw Core VCO

Discontinued

8 HP50 mmOscillator