Erica Synths Black Spring Reverb

Erica Synths Black Spring Reverb is a different take on spring reverberation units. Firstly, it has built in vactrol based audio compressor, secondly, it can operate an external tank and combination of both internal and external ones for effects unheard before, thirdly, in order to animate reverb effect, the module has built-in feedback effects – pitch shifters, delay, ring-modulator, etc; feedback amount and effect parameters can be controlled manually and via CV, making the module an experimental instrument on its own. Module comes with compact spring reverberation tank which can be easily installed in most eurorack cases.


  • Compact spring reverberation tank to install in a skiff case 
  • Manually and CV controlled feedback amount 
  • Vactrol-based compressor 
  • 7 distinct feedback effects 
  • Selection between internal, external reverberation tanks or combination of both 
  • Feedback Send and Return jack sockets

The module is designed to be used with wide variety of spring tanks, but the best results will be using tanks with low input impendance - 8-200ohm 

Technical specifications: 

Audio input level-5V - +5V
CV level (full span)-5V - +5V
Power consumption43mA, -71mA
Module width12HP
Module depth30mm
Internal reverb tank dimensions190mmx67mmx24mm (30mm with spacers)
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Ships in 1–2 days
  • Manufacturer's warranty
  • Pre-orders ship 1-2 days after arrival in NZ
  • Free NZ/AU shipping on all orders over NZ$299
  • Free worldwide shipping on all orders over USD$499
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Status In stock
Manufacturer Erica Synths
Functionality Effects FX
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