Dual VCO

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Page last updated Mar 30, 2026

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Elevate your modular synthesis game with the Kilpatrick Audio K3020 // Dual VCO. This versatile dual voltage-controlled oscillator module is designed to bring rich, dynamic sound capabilities to any Eurorack setup. Featuring two independent VCOs, each with its own set of controls and waveform outputs, the K3020 allows for complex sound layering and modulation possibilities. Perfect for both beginner and seasoned synthesists, this module provides a robust foundation for creating anything from lush, evolving pads to aggressive, cutting leads.

Each oscillator section offers a selection of classic waveforms, including sine, triangle, saw, and pulse, alongside sync and FM inputs for advanced sound design. The inclusion of precision tracking and fine-tuning controls ensures that your oscillators remain stable across a wide range of pitches, ideal for both live performances and studio sessions. Additionally, with individual outputs for each waveform and dedicated pulse width modulation (PWM) control, you have the flexibility to craft your sounds with unparalleled detail.

Key Features:

Dual VCO design with independent control for each oscillator
Selection of classic waveforms: sine, triangle, saw, and pulse
FM and hard sync inputs for complex modulation
Precision tracking and fine-tuning controls
Individual waveform outputs for comprehensive sound shaping
Dedicated pulse width modulation (PWM) for each oscillator
Eurorack compatible module, easy integration into existing setups

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KilpatrickAudio

Modular Synth: K3020 Dual VCO

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Synth Demo 3 - K3020 Dual VCO

KilpatrickAudio

Kilpatrick K3020 Dual VCO Sequenced

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4.0 out of 5

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vohs

101

about 11 years ago

ultra stable, very flexible, superb sounding dual vco.

I picked this up along with a Make Noise DPO, The 3020 is by far my favorite osc at the moment. sonically i could compare it to serge negative slew ( patched as a vco ) with out any blending the sound is very balanced, mids are as present as the highs and lows. It pairs very well with the tiptop prophet filter/Dsi Curtis filter responds well to heavy saturation, unto this point nothing had been able to compete with serge neg slew for bass until i purchased the 3020. very fat, tight and focused.

It gets interesting with its cross modulation options, pitch and pwm are present as well as cv input for fm, blend, pwm, etc the standards really. one issue i have with it is there is no cv inputs to control the cross modulation between osc 1 and 2 as well as pulse width. Its nothing major, the sounds get moving quite well with out but if this was present the 3020 would do everything aside from slay dragons.

the XOR or digital exclusive output is fantastic (its not digital, its a square wave output) and creates a very good, metallic ring mod type timbre. All things considered i could not live with out mine anymore, its a very stable osc with extremely professional timbre and sonic creation possibilities. (kilpatrick has just announced his new "phenol" synth. its fully modular desktop dual osc, dual filter, dual env, with voltage multiplier and divider with clock sync. uses banana jacks, 1 volt standard. for $850 msrp)

FWIW....

Vohs