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 Repro by u-he is a Virtual Instrument Audio Plugin. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
Repro Repro Repro Repro Repro Repro Repro Repro Repro
Favorite Developer - KVR Audio Readers' Choice Awards 2019
Product Repro
Developer u-he
Price (MSRP)
Type / Tags Synth (Analogue / Subtractive)Analog EmulationClassic SynthesizersMono SynthPolyphonicSynthVintage Analogue Emulation
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
Downloads Released
System Requirements
Current PC with modern CPU (Sandy Bridge architecture or newer recommended)
Windows 7 or newer
1GB RAM, more recommended
60MB free disc space
display 1000x600px and up
VST2, VST3, AAX, NKS compatible host software
AAX support for Pro Tools 10.3.7 or later, 11 & 12
Downloads Released
System Requirements
Intel Mac with modern CPU (Sandy Bridge architecture or newer recommended)
Mac OS X 10.7 or newer
1GB RAM, more recommended
60MB free disc space
display 1000x600px and up
VST2, VST3, AAX, AU or NKS compatible host software
AAX support for Pro Tools 10.3.7 or later, 11 & 12
Downloads Released
Miscellaneous Information
Copy ProtectionSerial Number

Repro dives into the past for analogue inspiration, reverently modelling two classic synths. Every detail of the originals were 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.

Repro-1 is a fierce synth: hard working, raw sounding and immediately playable.

Repro-5 shares sonic DNA with Repro-1, but offers new flavours and features, most notably polyphony.

Repro-1 Key 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 Key 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.

Common Key Features for both synths:

  • 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.


Introduction to Repro-1 (4 part video).

Part 1: {See video at top of page}

Part 2: https://www.youtube.com/watch?v=6SUeRReJMe8

Part 3: https://www.youtube.com/watch?v=3syFbftBeP8

Part 4: https://www.youtube.com/watch?v=2uIzPRgm9OA

Latest User Reviews Average user rating of 4.83 from 6 reviews

Reviewed By Relja
August 20, 2018

Repro-5 is the best sounding software synthesizer available today (20/08/2018).

The trade off is a really high CPU usage.

It's really easy to make good sounding presets, the stock ones are better than average softsynth presets but still not as good as in some hardware keyboards and synthesizers.

Still, I can't give it less than 5 stars just for the sound that it delivers.

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Reviewed By kokotte
April 15, 2018

ONe of the best synth here, .

the sound is incredible, .

when Repro will be fully mpe compatible, it will be the ultimate analogue emulation.

2 synths for the price of one .

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Reviewed By alienimplant
March 12, 2018

One of the best and most realistic emulations around. For classic synths in software, U-He is one of the few no-brainers. And with Repro, you get two synths in one.

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Reviewed By craigtumps
February 12, 2018

Amazing sound, the most analog sounding synth I ever heard. Its easy to create original patches too. Its a bargain now it also comes with Repro-5 for the same price.

Its heavy on CPU though. Give the demo a good try to make sure your computer can handle it.

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Reviewed By p4tz3r
July 9, 2017

Excellent vintage emulator. Very thick analogue sounds. Good presets, very playable and often with mod and aftertouch settings. Sequencer and effects are awesome. Can't wait for free addition of Repro-5 modeled on the Prophet-5, which should be released soon.

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Discussion: Active
6 December 2016 at 2:53pm

Is it just me or a monosynth model for $100 is a really niche market? :)

6 December 2016 at 7:11pm

Depends. Some companies were more successful with mono synths than with their poly stuff. Try the demo and maybe you'll see why.

28 August 2017 at 8:59pm

I have gotten $100 worth out of it in under two weeks. I love it. I love all u-he's stuff, but this has quickly become number one! Plus, basses, arps, leads and even some pads are monophonic by nature, so being monophonic is really not as limiting as you might think. And I imagine you already own oodles of polys, as do I. What you're paying for with this is character, and it has it in bucket loads. And frankly, I actually like being limited to monophonic in a lot of cases. It forces me think in a different way.

And lastly (this should be the kicker for any fence-sitters out there), word on the street is that Repro-5 (a polyphonic synth based on the Prophet 5) will be free for Repro-1 owners.

14 February 2017 at 11:12pm

I tried the demo. It was good. Not too taxing on CPU, friendly interface, and crisp sounds. It is on par with u-he's other offerings (it is well-made).

1 September 2017 at 12:22am

This and Bazille seem to suit me perfectly --though still using the CM and Beta versions. Can't wait to finally get a full version of this.

1 March 2018 at 10:58am

Repo 1 and 5 are just plain awesome! So good to have them both in the arsenal.

Repo 1 / the Sequential Circuits Pro-One and its multitimbral bigger brother was used by so many artists and notorious bands and it has been so convincingly reproduced on the software side by u-he...it's pure joy to use them.

On par with that kind of quality emulation of a hardware Synth only the OBX-II PRO comes in mind.

Have fun.

10 February 2019 at 11:14am

Repro 1 & Dune 3 doing a silent revolution in synthesizing, quality - it's all about this synths, they both can kill any Hardware or sofware synth for now.

14 September 2019 at 10:09pm

What is the formula for voice index modulation in Repro?

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Average user rating of 4.83 from 6 reviews

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