Microvolt 3900

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microvolt left angle.png

Microvolt 3900


A Love Letter to the Analog Monosynth

The Pittsburgh Modular Microvolt 3900 is a modern, semi-modular synthesizer, inspired by the instruments designed by our heroes. The Microvolt 3900 takes a new approach to building a raw, analog monosynth with a host of unconventional and inspirational features.

Creative Synthesis Design

With our new temperature stabilized, dual VCA oscillator core, the analog audio engine of the Microvolt 3900 feeds a set of timbrel waveshapers crafted for deep harmonic shaping, enabling a layer of additive synthesis alongside the classic subtractive synthesis waveforms. Waveforms are fed into our binary filter, a custom state variable filter architecture offering near infinite resonance with or without self-oscillation. Sonically this creates a juicy, fluid filter adding depth and energy to the oscillator that can scream if you ask it to.

Microvolt 3900 Highlights

  • Voltage controlled West Coast style wavefolder.
  • Switchable harmonically rich sine wave.
  • External preamp with independent 30x gain and output level controls.
  • Classic Pittsburgh Modular low pass filter with extended resonance.
  • Dynamic VCA with standard VCA and dynamic low pass gate modes.
  • Variable overdrive on output.
  • Multi-mode sequencing arpeggiator.
  • Chaotic random CV and gate generator.
  • Multi-tasking function generator works as a voltage controlled envelope, LFO, and oscillator.
  • Highly tuned ADSR envelope generator.
  • 39-point Eurorack format compatible patch bay.

Microvolt 3900 Specs

Power coated steel and walnut construction.
Dimensions: 10.375" x 7" x 1.875"
Weight: 3.6 lbs
Power: 1.5A +15v DC power adapter


Patch Cables: 5 Nazca Audio brand patch cables.
Midi Connector Cable

More information, video, and audio demos available at pittsburghmodular.com/microvolt.

We are currently taking pre-orders for the Microvolt 3900. Estimated shipping date is April 27.

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