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String Theory

Synth (Hybrid) Plugin by Ugo
No Longer Available
String Theory
String Theory by Ugo is a Virtual Instrument Audio Plugin for Windows. It functions as a VST Plugin.
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Overall: 11610   10145

30-Day: 22169; 7-Day: 17168; Yesterday: 14928

String Theory is a flexible, delay based, physical modeling synth which is capable of a very wide range of plucked strings, atmospheric pads and ambiences, and unique hybrid synth sounds. String Theory also offers dual phrase arpeggiators. Each arp has its own speed, gate, and octave controls; which allows for far more complex patterns than the average arp.


  • Physical Modeling Plucked Strings.
  • Delay based Oscillators.
  • Detune.
  • Pitch LFO.
  • Amp Envelope with 2 attacks.
  • Tremolo.
  • BP+BR Filter.
  • LP Filter with envelope and LFO.
  • HP Filter with envelope and LFO.
  • Dual Metal Module.
  • Dual Delay with MIDI sync and Pan.
  • Dual Phrase Arpeggiator.
  • MIDI CC support.
  • 173 patches by: Ugo, Tim Conrardy, Matthew DeMeritt (Geeseaplenty), Mark Stolk (Mystahr).
Made with SynthEdit

Latest User Reviews

Average user rating of 5.00 from 1 review
String Theory

Reviewed By geeseaplenty [all]
August 13th, 2004
Version reviewed: 1.1 on Windows

Chris went and dun it again. When I heard he was making a string modeler, I was a little underwhelmed. I already have all the free SMs out there and was already planning on buying Harptime. But this is SO much more than a string modeler. For one, it has kick-ass modulation capabilities, kind of like the matrices on his monosynths, Rez and Texture, but much more fun. With it, I've created expressive, moving sounds, from pads to leads to comping sounds. As it has a full bank of 128 presets, a handful of which I made, you will have more fun with this synth than any other freebie out there. Be prepared to be shocked by the unique sound and variety of tones you can get from this thing. Have fun with the amazing and flexible arp feature. And the GUI kicks ass all over the place--so easy on the eyes and fun to look at. Can't wait for what's next. Thanks, Chris. ST is a stunning work of art and you should be proud of it.
Read Review

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Comments & Discussion for Ugo String Theory

Discussion: Disabled
12 August 2013 at 2:53pm

From Google Chrome:

Warning: Something's Not Right Here!
The website at www.vstcafe.com contains elements from sites which appear to host malware – software that can hurt your computer or otherwise operate without your consent. Just visiting a site that contains malware can infect your computer.
Below is a list of all the unsafe elements for the page. Click the Diagnostic link for more information on the thread for a specific element.

Malware http://www.vstcafeserver.com/vstcafe/js/superfish.js Safe Browsing diagnostic page
Malware http://www.vstcafeserver.com/vstcafe/js/jquery.tipsy.js Safe Browsing diagnostic page
Malware http://www.vstcafeserver.com/vstcafe/css/superfish6.css Safe Browsing diagnostic page
Malware http://www.vstcafeserver.com/css/jquery.lightbox-0.5.css Safe Browsing diagnostic page.

- + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + -.

I also got a virus from one of the plugins from the site.

Does s/he knowing do this or should someone tell him/her? I'm hoping that the developer is innocent.

Paul Ritchings (pmj_rit).

7 November 2013 at 12:43pm

vstcafe ?

Why do you talk about vstcafe ?

vstcafe is absolutely not Ugo's website .

His website is http://www.ugoaudio.com/ and it is safe and has always been safe !

Neither Ugo nor KvrAudio have to do with vstcafe ! And Ugo distributes himself his products .

Example : The webpage of String Theory is this one :

And at the upper right of the page you find the link to download String Theory. And the file to download is absolutely not in vstcafe... it is on his own website ! The URL of this link is this one :

When a software (whatever it is, musical or not) is provided by a developer on his own website one should NEVER try to go to download elsewhere !

7 November 2013 at 2:55pm

I did not know about Ugo's site. Thank you for the information. I will not use vstcafe in future.

Also I was not trying to cause offence or attack anyone.


8 November 2013 at 2:20am

<Also I was not trying to cause offence or attack anyone.>

;) Don't worry, it has not at all been taken like that.

7 November 2013 at 3:18pm

Usually here on KVR, on each plugin you have a link to the official developer website (as here "Developer Ugo") and a link to the product's page ("Product String Theory"). Those are usually updated quite often.

Discussions have been disabled for this item.