Repro dives into the past for analogue inspiration, meticulously modelling two famous synthesizers. Every detail of the original was captured using component-level modelling technology to create the most authentic model possible. All the subtle characteristics and quirks found in the originals are present in Repro. One product, one installer, two synths.

Repro contains Repro-1 and Repro-5.

Repro-1 screenshots

Repro-1 is a fierce monosynth: hard working, raw sounding and immediately playable. The classic design is simple and intuitive but belies a deep feature set capable of a wide range of sounds.

Repro-5 is the new polyphonic addition. It has a lot in common with Repro-1, a similar design and feature plus shared sonic DNA. But Repro-5 introduces new flavours, most notably is ability to play lush chords or thick unison leads, while keeping the authentic analogue sound.

ReSequenced Soundset

★ ★ New soundset for Repro-1 now available: ReSequenced. Sound designer and musician Electric Himalaya created 100 new presets for Repro-1. ReSequenced focuses on Repro-1's sequencer—packed with basslines, melodies and percussive loops.

Check out ReSequenced.

At first glance Repro-1 and Repro-5 are simple and intuitive, but the clean and classic designs hide deep feature sets capable of a wide range of sounds.

Key Features

Repro-1 features:

  • Unashamedly monophonic
  • 4-pole resonant lowpass filter
  • Glide control
  • Arpeggiator with latch mode
  • Sequencer with two 32-step patterns (or 64 steps when chained)
  • 3 modulation sources controlling 5 destination
  • 2 additional "performance" modulation assignments
  • 5 effects: wavefolder/distortion, delay/chorus, EQ/resonator, reverb, sonic conditioner/dynamics processor
  • 500 factory presets

Repro-5 features:

  • 8-voice polyphony
  • 1 to 8 voice unison with glide control
  • Audio-rate voice modulation: oscillator FM (frequency and pulse width), filter FM
  • 4-pole resonant lowpass filter
  • Flexible modulation options plus 2-slot matrix
  • Polyphonic distortion unit with 4 types including bit crusher
  • 5 effects: tape emulation, delay/chorus, EQ/resonator, reverb, sonic conditioner/dynamics processor
  • Over 950 factory presets

Shared features:

  • Powerful analogue sound using component-level modelling
  • 2 oscillators: saw / pulse and saw / triangle / pulse
  • Oscillator waveforms can be combined
  • Waveform pulse width modulation and oscillator sync options
  • White noise generator
  • ADSR envelope
  • "Tweak" screen for adjusting component behaviour
  • Host-syncable LFO with 3 waveforms
  • Microtuning support (.tun files)
  • Resizable UI
  • MIDI learn page and editable list
  • Global preferences page
  • New preset browser with powerful search functions, tagging

The sound of Repro


Remember the Night

Arksun takes Repro-5 on an ambient synth trip.

Repro-5 Demo Song

Touches of funk and retro vibes are on display in Electric Himalaya's Repro-5 demo track.

Repro-5 Presets

Luftrum shows off his contributions to the Repro-5 factory preset library.


Repro-5 Demo 3

Oddvar serves up an electro / breakbeat piece showcasing Repro-5.

Repro-1 Demo Song

Using only Repro-1, Urs creates a short piece reminiscent of 1980s electronica (Berlin / Düsseldorf crossover).


Swelling layers and bubbling accents drive this tech house piece from Oddvar. All sounds by Repro-1 except the drums.


The Big Reveal

The Unshushable Coktor channels some 80s vibes for his Repro-1 track. All sounds by Repro-1 except the drums/percussion.


A pulsing dance oriented track from Ned Bouhalassa. All sounds from Repro-1 except the drum loops.


Ned Bouhalassa creates a dramatic synth track using only Repro-1.



Repro in action

Dan Worrall introduces Repro-1 with a four part video series.

A fun video we created to celebrate the release of Repro-1

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