Analog synth voice. An easy to build, yet flexible and feature rich synthesizer,

»Ilse« is an elegantly minimal, yet fully functional synthesizer voice in a 10 HP compact Eurorack module. The only thing you need to let it meow is a MIDI to CV converter (or another CV source of your choice) to trigger its 1V/Oct frequency input. Because it has such a low part count (only 2 opamps and 7 transistors) it is ideal for Eurorack beginners or entry-level DIY projects.

Ilse is designed as a low cost, easy to build, yet flexible and feature rich synthesizer for the Eurorack. It can even be driven outside of the Rack with two 9V batteries (not included).

Assembly manual can be found here: https://discourse.chair.audio/t/ilse-build-instructions-for-revision-4/151

Components:

• two saw tooth oscillators
• brigded-T low pass filter with resonance control
• triangle LFO with speed control, and routing to filter and/or oscillators
• simple mixer and detune for oscillators
• level control
• external filter input

Modulation Inputs:

• 1V/Oct CV for oscillators (0-5V)
• Gate (0-5V)
• Filter Cutoff (0-5V)
• LFO Speed (linear, via pin header, 0-8V)
• Oscillator 2 detune (linear, via pin header, 0-8V)

https://www.chair.audio/product/ilse-analog-synth-module-rev4/

• 22 mA +12V
• 18 mA -12V
• 0 mA 5V
• 23 mm Depth

Module is available as a DIY project only.

This Module is currently available.