Erica Fusion Ring Modulator – a classic design ring modulator with germanium diode ring + vacuum tube to boost and shape audio and carrier signals.

Germanium diodes enrich the sound by adding extra harmonic content meanwhile vacuum tube adds evilish overdrive to audio and carrier signals. As result you get one of most versatile ringmodulators around!

All Fusion modules by default are configured to work with regular eurorack PSU.


  • Germanium diode ring
  • Audio transformers
  • Adjustable tube overdrive on both audio and carrier inputs
  • Colour switch to select between brighter and darker sound

Configurable power supply – standart eurorack +-12V conection OR eurorack +-12V plus Erica Synths Tube heater PSU


Price: 215EUR
+ 21% VAT for individual customers in EU without EU VAT registration number + shipping

If you need a 6 to 6 pin  power cable included to your order (suitable for 6VAC PSU) , please write that in the comment section during checkout process.

Technical specifications:

Input signal level

up to 20V ptp

Output signal level

10V ptp

Power supply

bipolar +-12V , eurorack standard and Erica Synths 6VAC PSU

Power consumption

Eurorack PSU configuration: 160mA@+12V, 10mA@-12V

Module width


Module depth



Please reffer to user manual to find possible power supply configuration!


Erica Fusion Ring Modulator V2 on Modulargrid


Demo by Ben_Hex