Plugin comparison
Specs, price and the Dubspot Score, side by side — with our verdict on which synth to buy.
Independent score / workflow fit / buying signal
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Contenders
Synth / u-he
Diva is a virtual analogue synthesizer that models oscillators, filters and envelopes from classic hardware synths via circuit simulation.
Microvolt 3901 is Pittsburgh Modular's software version of the 3900 semi-modular synth, with seven oscillators, 19 effects, a full patch bay and six-voice polyphony.
Technical matrix
| Signal | u-he Diva | Microvolt 3901 |
|---|---|---|
| Price | — | $69 |
| Dubspot Score | 9.1 | — |
| Formats | VST3, AUv2 (macOS), CLAP, AAX | Standalone, VST3, AU, AUv3 |
| Oscillator models | 5 models based on classic synth hardware (Triple VCO, Dual VCO, DCO, Dual VCO Eco, Digital) | — |
| Filter models | 5 models based on classic synth hardware (Ladder, Cascade, Multimode, Bite, Uhbie) | — |
| Polyphony | Up to 16 voices, plus duophonic, monophonic and legato modes | Six voices, or mono with up to six unison voices |
| Factory presets | Over 1200 factory presets | — |
| Effects | 2 stereo effects slots (chorus, phaser, plate reverb, delay, rotary speaker) | 19, usable at the end of the chain or patched inside the synth |
| Platforms | macOS, Windows and Linux (Linux is beta) | — |
| Developer | — | Pittsburgh Modular |
| Type | — | Patchable virtual-analog / semi-modular synth |
| Models | — | Microvolt 3900 plus classic Pittsburgh Modular Eurorack modules |
| Oscillators | — | Seven sources, including Microvolt, Lifeforms SV-1, Double Helix wavetable, DNA Symbiotic Waves |
| Modulation | — | Ten sources: VILFO, dual LFO, function generator, Game System, envelopes, modulation oscillator, sample and hold, ring modulator |
| Patching | — | Full patch bay routing audio and CV |
| Sequencer | — | 16-step; built-in touch-plate keyboard |
| Sync | — | MIDI, Ableton Link, host sync |
| Presets | — | 200 factory, import and export, 100-step undo |
| Formats | — | macOS: Standalone, AU, VST3. Windows: Standalone, VST3. iPad (Standalone, AUv3) coming |
| Systems | — | macOS 12+, Windows 10/11 (64-bit, incl. ARM64), iPadOS 15+ |
| Price | — | $69 (Mac and Windows); 7-day free trial |
See the full plugin database for more comparisons.