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Voice of the Polivoks Synth 

Erica Synths VCO and VCF Eurorack Module Bundle

22HP Eurorack Modular System

Two eurorack flat ribbon power cables and a set of four Befaco M3 Knurlies screws are included.


Will not sell order to United States, Russia and Belarus


The modules are brand new, freshly built using the highest quality components and have never been used in any eurorack enclosure before. Fully calibrated and tested. Only available as DIY.


Erica Synths Polivoks VCO II - DIY Polivoks-inspired VCO with simultaneous triangle, ramp and pulse wave outputs, sync and PWM CV inputs. In VCO’s exponential converter we use the original matched transistor IC KR198NT1B (КР198НТ1Б) that was used in Polivoks synthesizer 1982.
+-10V regulators for greater stability of operation, signal amplitudes adjusted to match requirements of contemporary modular synths. All output signals are also available simultaneously. CV inputs redesigned to accept positive CV signals. PWM circuit with manual and voltage controlled pulse width. Sync input, so you can synchronize the Polivoks VCO to another VCO in your system.



FEATURES:

Made in ex-USSR/Russia matched transistor IC KR198NT1B (КР198НТ1Б), used in the Polivoks Synth VCO

Triangle, saw and pulse wave outputs
Manually adjustable and CV controlled pulse width
Great tracking across 8 octaves
Exponential FM input with attenuator
Sync input
Octave switch – 5 octaves
Skiff-friendly design

Octave range C0 - C8
Width: 12HP

Module depth: 42mm

Power consumption 35 mA +12V, 36 mA -12V


Erica Synths Polivoks VCF II - DIY Polivoks VCF is famous for its’ crazy resonance sweeps and deep, bassy sound, that makes it ideal for acid basslines. Comes with two K140UD12 opamps that were used in the original Polivoks synthesizer 1982.



FEATURES:

The rare Russian op amps, made in USSR ICs K140UD12 (К140УД12) used in the original Polivoks Synth 

Filter
Switchable BP/LP modes

BP 6dB/oct

LP 12dB/oct

Module width 10HP

Module depth 30mm

Power consumption 

11mA@+12V, 11mA@-12V

Inputs/outputs are protected against over-voltage

Protection on reversed power supply
Skiff friendly design


Hopefully the pics speak for themselves overall it's incredibly straight and clean, and complete. Everything works perfectly!


DELIVERY FROM EUROPEAN UNION, LATVIA by registered mail with the tracking number. The parcel can be tracked all over the world. Shipment from Latvia is carried out by Latvijas Pasts (Post of Latvia) and on the territory of the recipient's country by those local services that deliver regular post and registered parcels.


You will receive the item as shown in the pics. Returns are not accepted. Import duties, taxes and charges are the buyer's responsibility.


This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

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Listed3 days ago
ConditionExcellent (Used)
Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more
Brand
Model
  • Polivoks VCO II VCF II
Categories
Year
  • 2017
Made In
  • Latvia

Product safety information may be available here.

Lenteun

Rīga, Latvia
Joined Reverb:2025

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