Erica Synths Polivoks Dual VCA II
Erica Synths Polivoks Dual VCA II

Erica Synths Polivoks Dual VCA II

$34.99 - 139.99
In Stock
Part Number:ES-VCA

Choose Options

Option
Erica Synths DIY Polivoks-inspired VCA is 35mm deep, skiff friendly, has solid mechanical construction and doesn’t require wiring.
The three options include:
  • PCBs: Both PCBs, panel, and the AS3360 IC
  • Full Kit: All components needed for the module, including ICs, knobs, power cable, etc.
  • Assembled Module: Ready to go out of the box!
See the visual BOM for a complete list of the parts included.

Features



  • Single or Dual VCA mode
  • CV level adjustment for each VCA
  • Summed audio output (lower signal gain, though)
  • Skiff-friendly design

 

The Polivoks VCA has a distinctive architecture – two differential opamp-based VCAs in series, each for LFO and ADSR control over signal amplitude independently. Control voltage to attenuation behavior of this VCA is nonlinear and not logarithmic. It is kept authentic to the response of original Polivoks. Most parts of the VCA have been improved to achieve compatibility with eurorack signal and CV standards, higher dynamic range, better reliability, lower noise, accept higher signal levels, keep consistent behavior, self-tuning of two internal offsets and higher linearity, but the heart of it is kept the same. We also redesigned audio signal path, so that you can use it as two independent VCAs or two VCAs in series as in original Polivoks, plus summed signal output.

Technical specifications:

VCA gain1.2
CV level-10V…+10V
Attenuation@0V CV80dB
Panel width8HP
Module depth35mm
Power consumption24mA@+12V, 18mA@-12V

Download the bill of materials with Mouser numbers, the assembly guide and the schematic from the Github page. Use the .zip file, NOT the links to ericasynths.lv at the bottom of the page!



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