DIY Polivoks MODULATOR clone kit to build a eurorack module. Erica Synths MODULATOR emulates original Polivoks modulator behavior, and has added feature - adjustable amplitude inverted signal output. Kit is available in three options and contains PCB, 8HP black aluminum panel and set of 4 Russian transistors including selected transistor for noise generator and FET transistor for S&H, as well as full kit with all parts needed. To complete the module you will need to source some widely available components - check the BOM!


  • PCB + set of transistors = 20EUR

+21% VAT for individual customers in EU without EU VAT registration number + shipping


Erica Synths Polivoks Modulator on Modulargrid

See the build thread @ Muffwiggler!


Technical specifications:

LFO frequency

0,5 - 30Hz

Available output waveforms:

triangle, pulse, noise, S&H

Output signal level

3V ptp

Inverted Output signal level

10V ptp, adjustable

Power supply

eurorack standard +-12V

Power consumption

10mA (+12V), 6mA (-12)

Module width



Disclaimer: please, if you have any questions on missing parts or similar issues, contact us within 1 months after receiving the kit!