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 Repro-1 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-1 Repro-1 Repro-1 Repro-1
Product Repro-1
Developer u-he
Price (MSRP) $99
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
 1.0  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
 1.0  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
 1.0  Downloads Released
Miscellaneous Information
Copy ProtectionSerial Number

Repro-1 dives into the past for analogue inspiration, reverently modelling a classic synth. 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 original are present in Repro-1.

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

Key features:

  • Powerful analogue sound.
  • Component-level model.
  • Unashamedly monophonic.
  • 2 oscillators: 1 with saw, pulse waveforms and 1 with saw, triangle and pulse waveforms.
  • Oscillators waveforms combinations.
  • Waveform pulse width modulation.
  • ADSR envelope.
  • White noise generator.
  • Mixer for audio generators.
  • 4-pole low pass filter with self-oscillation.
  • Arpeggiator with latch mode.
  • Sequencer with two 32-step patterns (or 64 steps when chained).
  • 5 effects: wavefolder/distortion, delay/chorus, EQ/resonator, reverb, sonic conditioner/dynamics processor.
  • 3 modulation sources controlling 5 destination.
  • 2 additional "performance" modulation controls.
  • "Tweak" screen to adjust component behaviours.
  • Resizable UI.
  • MIDI learn page and editable list.
  • Global preferences page.
  • 32 & 64-bit VST2, VST3, AU, AAX.
  • Mac OS X, Windows, Linux (beta).
  • Support for Native Instruments NKS format.


Introduction to Repro-1 (4 part video)

Part 1: https://www.youtube.com/watch?v=4QDL2eroCqc

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

User Rated

Review Repro-1 Now!

Discussion: Active


6 December 2016 at 2:53pmVospi

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

6 December 2016 at 7:11pmUrs

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 8:59pmSycopation

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 11:12pmgammafied

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 12:22amSibelius19

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.

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Average user rating of 9.50 from 2 reviews

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