Oscillator / VCO

Verbos Electronics - Foundation Oscillator

The long awaited small VCO from Verbos Electronics.

It is based on the same discrete transistor core as the other Verbos oscillators. In addition to outputs for the Square and Triangle…

Eowave Weather Drones

The Weather Drones is an all in one drone voice for eurorack modular.

It features a triangle based digital oscillator and a lowpass filter. Furthermore it offers three modulation sources: LFO with square…

NEUZEIT INSTRUMENTS ORBITThe ultimate tool for innovative sound design!

Orbit is a multilayered module which combines different sound processors. It features a bitcrusher with invertible bits, an harmonizer with up to five…

Make Noise DPO

A dual Voltage Controlled Oscillator designed for generating complex waveforms. Expanding on the classic arrangement of Primary and Modulator Oscillators, the DPO has both of the VCOs operable as complex signal…

DOEPFER A-111-5V SYNTHESIZER VOICE VINTAGE (AS3394) The A-111-5V is a monophonic synthesizer voice in Eurorack format. The entire sound generation and all modulation sources are 100% analog. Basically it is a Dark Energy without…

FRAP TOOLS BRENSOBrenso is Frap Tools’ primary analog source of articulated waveforms whose degree of entanglement can be precisely set by the musician.

Its concept developed from a reflection on the very meaning of the word…

IO Instruments - THEMISTO (VCO)

High precision VCO with wide frequency range

Clean waves without edge aberrations

PW from 0%-100% with fast edges for rich sound

Low distortion SINE wave

SUB OSC with rich sound and phase…

2hp - Osc (Analog VCO (Previously the Ana))

nalog oscillator with FM, Sync, and V/Oct inputs. Simultaneous output of sine, triangle, sawtooth, and square waveforms.

Specifications

Max Power Consumption: 34 mA +12V, 35 mA…

2hp - Pluck

Pluck is a physical modeling synth voice. It uses the Karplus-Strong algorithm to create plucked string sounds. The dampening control sets the size of the string and allows for dramatic timbral shifts.

The decay…

2hp - Sine (silver)

ine is a harmonically pure VCO with two distinct outputs.

The primary output contains a perfect sine wave with a wide frequency range and pristine volt per octave tracking. The Sub output features two sine…

2hp - Vowel (Black)

Vowel is a speech synthesis and formant oscillator. It synthesizes and approximates the human voice by generating vowel sounds. These can be manipulated to provide deep low baritones, or high pitched squeaks.…

MiniMod VCO (black) VINTAGE TRANSISTOR CORE VCO

The discrete transistor core of this Voltage Controlled Oscillator is an exact emulation of the original and now very rare R A Moog Model D Oscillator from 45 years ago, and the…

Doepfer A-110-1 Standard VCO

Module A-110-1 is a voltage-controlled oscillator. This VCO's frequency range is about eight octaves (ca. 15Hz ... 8kHz). It can produce four waveforms simultaneously: rectangle, sawtooth, triangle,…

Doepfer A-110-1V (vintage black edition) Standard VCO

Module A-110-1 is a voltage-controlled oscillator. This VCO's frequency range is about eight octaves (ca. 15Hz ... 8kHz). It can produce four waveforms simultaneously:…

Doepfer A-110-2 Basic VCO

Module A-110-2 is a low-cost voltage-controlled oscillator. It's a slightly reduced version of the standard VCO A-110-1. Compared to the A-110-1 the A-110-2 has no sine output and the (expensive) octave…

Doepfer A-110-2V (vintage black edition) Basic VCO

Module A-110-2 is a low-cost voltage-controlled oscillator. It's a slightly reduced version of the standard VCO A-110-1. Compared to the A-110-1 the A-110-2 has no sine output…

Doepfer A-110-4 Quadrature VCO

A-110-4 is a so-called Thru Zero Quadrature VCO. The term "quadrature" means in this connection that the oscillator outputs sine and cosine waveforms simultaneously. The term "Thru-Zero" means that…

Doepfer A-111-2 High end VCO II

The successor of the A-111 High End oscillator is an utterly precise analog VCO/LFO with a extremely big frequency range, immaculate tracking over at least ten octaves and nearly perfect…

Doepfer A-111-2v High end VCO II

The successor of the A-111 High End oscillator is an utterly precise analog VCO/LFO with a extremely big frequency range, immaculate tracking over at least ten octaves and nearly perfect…

Doepfer A-111-3 Micro Precision VCO

The Micro Precision VCO is a space-saving and utterly precise analog VCO/LFO with a extremely big frequency range, immaculate tracking over at least ten octaves and nearly perfect…

DOEPFER A-111-6 MINIATURE SYNTHComplete miniature synthesizer voice module

VCO

∙ triangle core VCO
∙ manual tune control and octave switch
∙ modulation input for frequency (FM) or pulsewidth modulation (PM)
∙ manual…

Module A-143-4 is a fourfold voltage controlled low frequency oscillator (LFO). As the frequency range includes moderate audio frequencies it can be used as a four-fold VCO too.

∙ four independent VCLFOs/VCOs with triangle…

Module A-143-9 is a derivative of our planned thru-zero quadrature VCO. It is a voltage controlled sine LFO with 4 outputs. The phase shift between the outputs is 90 degrees. The sine shifted by 90 degrees is also called cosine,…

Module A-196 contains a so-called phase locked loop (PLL). The basic PLL system is shown in the sketch at the bottom of this page. A PLL consists of three parts: voltage-controlled oscillator (VCO), phase comparator (PC), and…

Qu-Bit Electronix - EON Silver (Envelope, Oscillator, and Noise)

EON is an envelope, oscillator, and noise source in 2 HP. (click here for other 2HP modules)

It has three modes that are quickly and easily set via a 3 position…

Expert Sleepers - General CV

The General CV is a combination of a powerful General MIDI synthesizer, a multi-channel CV-to-MIDI converter, and a host processor capable of generating huge amounts of MIDI data, either in response…

ATLANTIS DUAL OSCILLATOR SUBTRACTIVE SYNTH VOICEThe Atlantis is heavily inspired by the architecture and sound of the classic Roland SH-101. It has always been one of our favorite synths and we really liked how the seemingly…

INTELLIJEL DR. OCTATURE II (VCO/LFO)4-POLE LOW PASS FILTER AND OCTATURE SINE WAVE VCO/LFOJust like the original Dr. Octature the basis of the module is a 4-pole lpf inspired by the classic “cascaded ota” design, but realized…

INTELLIJEL RUBICON THRU ZERO FM TRIANGLE CORE VCORubicon main rev 008

Not long after the David Dixon finished the Dixie design he began working on a totally novel approach to implementing tzfm (thru zero frequency modulation).…

µVCFIntroducing the µVCF state variable filter.

This is another great David Dixon filter design that has been on the workbench for a while. It is a very clean and precise filter that also doubles as an excellent sine VCO.

It…

Make Noise STO
STOA compact Voltage Controlled Oscillator designed for generating SINE waves, Variable wave-SHAPEs, SUB-Octaves, Oscillator SYNC and Linear FM in the analog domain. The Sub-Timbral Oscillator is the more subtle and…

Richter WogglebugThe "WoggleBug" is a random voltage generator, originally designed by Grant Richter of Wiard Synthesizers. It is a continuation of the "smooth" and "stepped" fluctuating random voltage sources pioneered by Don…

Mutable Instruments Plaits

macro oscillator

Rebooting a classicPlaits is the spiritual successor of Mutable Instruments’ best-selling voltage-controlled sound source, Braids. Not just a mkII version: its hardware and software…

Noise Engineering Ataraxic Translatron (AT)

The Ataraxic Translatron is a linear feedback shift register oscillator similar to those used in the first generation of home video game consoles such as the Atari VCS as well as many…

Noise Engineering - Basimilus Iteritas Alter (BIA) Black version

Analog inspired parameterized digital percussion

Basimilus - small foundation - from Latin basos 'foundation' with suffix -lus 'small'

Iteritas - repetitiousness…

Noise Engineering - Cursus Iteritas (CI) (black version)

Cursus Iteritas Dynamically generated wavetable oscillator using orthogonal functions.

Cursus Iteritas is an oscillator that works from a dynamically generated wavetable.…

Noise Engineering - Loquelic Iteritas (LI) Black version

Loquelic Iteritas is a 10HP digital VCO with interpretations of three classic synthesis algorithms (VOSIM, Summation Synthesis and Phase Modulation) involving dual pitch…

Qu-Bit Electronix Chord

The Chord is a plug and play solution for bringing musical polyphony to your system. It is a four voice oscillator with individual and summed outputs. All voices are tuned together, allowing for quick and…

ReBach - Catch VCO-A

∙ Eurorack Voltage Controlled Oscillator
∙ Characteristics: Warm sound through our design and beautiful FM sounds.
∙ CEM 3340 style.
∙ Superior 1v/oct tracking and temp stability.
∙ Linear FM-input…

Roland SYSTEM-500 510 SYNTH

With the SYS-510, designing your first modular setup or integrating classic Roland sound into your existing modular rig has never been easier. Based on the vintage SYSTEM-100m's 110 VCO, VCF, and VCA…

Talldog - µBraids SE (uBraids, microBraids) Eurorack [Rev E]

silver version

µBraids SE is a voltage-controlled digital oscillator/sound source in 8HP with a wide range of creative and useful sound generation algorithms (aka…

The Z3000 is an all-analog, voltage-controlled oscillator that gives you the ability to implement synthesis techniques in a controlled and planned manner, turning your modular system into an even more powerful musical…

Verbos Electronics - Complex Oscillator

In the West Coast philosophy of synthesis, one oscillator modulating another is a classic way of creating rich timbres. Voltage control of the modulation and of the waveshape is essential…

Verbos Electrtonics - Harmonic Oscillator

For the first time in Eurorack, this oscillator module provides outputs for the first 8 harmonics as sine waves. Also included are triangle, saw, square waves. A voltage controlled mixer…

WMD Phase Displacement Oscillator MKII (PDO MKII)

Introducing the WMD Phase Displacement Oscillator (PDO). This hybrid VCO has all the feel of an analog VCO but with the benefits of digital waveshaping. The PDO will easily find a…

WMD Phase Displacement Oscillator MKII (PDO MKII) Black

Introducing the WMD Phase Displacement Oscillator (PDO). This hybrid VCO has all the feel of an analog VCO but with the benefits of digital waveshaping. The PDO will easily…

WMD/SSF Pole Zero LP Filter

POLE-ZERO is a 4-pole (24dB/octave) low pass Voltage Controlled Filter (VCF) utilizing MOSFET transistors. MOSFETs are known for their soft, vacuum tube like distortion when overdriven.

POLE-ZERO is…

Doepfer A-111-3V Vintage

The Micro Precision VCO is a space-saving and utterly precise analog VCO/LFO with a extremely big frequency range, immaculate tracking over at least ten octaves and nearly perfect waveforms. Basically it…

Doepfer A-111-5 Synthesizer Voice (AS3394)

Module A-111-5 was out of production many years as the special circuit CEM3394 used as core of the module was no longer available. Now a clone of the CEM3394 is available…

Klavis Twin Waves MKII

Voltage-controlled Dual VCO/LFO/random

Two oscillators independently set as VCO, LFO, or random generator
Features in VCO mode:
V/Oct tracking over 10 octaves
Through zero and linear FM
Sub-octave…

Modbap - Osisris black

Osiris is a powerful and neatly packed 12hp bi-fidelity wavetable oscillator with 6+ timbre modes including FM and phase modulation, an independent sub-oscillator, LoFi processing, extensive cv modulation…