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 Tau by Muon Software is a Virtual Instrument Audio Plugin. It functions as a VST Plugin and an Audio Units Plugin.
Product Tau
Developer Muon Software
Price (MSRP)
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Tau is a TB-303 emulation.

  • Monophonic.
  • Single Oscillator (Saw & Square).
  • Resonant 18dB/Oct LPF.
  • Simple envelope generator with adjustable decay for amplifier and filter cutoff modulation.
  • Glide (switchable).
  • 64 bit audio engine.
  • Parameters automatable.
Latest User Reviews Average user rating of 3.91 from 11 reviews

Reviewed By dburgan
February 8, 2004

OK, everybody knows this is a 303-knockoff. Yes, it's a one trick pony. Yes, it has only limited programmability. Yes, the 303 sound has been abused ad nauseum.

This little gem, however, just plain sounds GOOD. I have to say there are very few synths out there that can make as tight a bass sound as this masterpiece by Muon. The fact that Muon gave the synth away just floors me. Put simply, it just sounds fantastic. Forget the squelchy acid sound the 303 is so (in)famous for; instead, use this beauty to make sub basses, punchy smooth basses, even the occasional harsh bass. I love it.

I own Tau Pro, and I still keep Tau in my arsenel. Why? It's just the most well-focused little soft synth I've ever seen. A classic.Read more

Reviewed By kalkin
August 7, 2002

I've been using this synth since I first started reading CM magazine abaout 6 months ago (it comes on the cover CD). In fact, it was one of the first VSTi's I used when I first started using Logic. Since then I've become a VSTi junkie (as so many have), and have used just about every one out there. But I probably used this one more often than any others in my songs and most likely still would had I not purchased the Tau Pro.
NO, IT DOSEN'T SOUND JUST LIKE A 303! But I don't ever recall the 303 being given away for free. And with a little bit of properly applied effects it can do a heck of a lot.
That pretty much covers the pros as far as cons the only real one is the lack of presets. Not that big of a deal, especialy since it's so darn easy to use.Read more

Reviewed By drk_sum
August 6, 2002

Tau + distortion + Stereo delay = monophonic heaven.
Glide is a very useful feature that I use a lot. I recommend the Tau as a substitute for any monphonic string lead, although use a chopper effect with it, or convert to staccato 16th notes...Read more

Reviewed By Sascha Franck
June 11, 2002

OK, even if this is becoming somewhat ridiculous, I have to place another review here.
I don't think bashing something like Tau makes much sense at all - I mean, it's free, does what it's supposed to do and it's as stable as it could be. CPU usage is more than moderate, the sound becomes even more flexible with the Mdrive plugin insterted and the basses surely sound fat.
Personally I even think it's a good idea that it doesn't exactly reproduce a TB303 - I mean, do we have enough of 303 sounds in all sorts of productions or what?
Finally, for a freebie it's almost as good as possible, and guess what? Dave Waugh (Muon mastermind) even responded in a very nice way to some mail regarding some of my Tau wishes - incredible for a freebie!

Meanwhile I sampled Tau and do now use it in some EXS patch (www.saschafranck.de/exs if you want it), now I can use it polyphonic and along with pitchbend, but that's still giving it a good use.


Read more

Reviewed By BeefSoap
June 11, 2002

Tau is a great monosynth! No It's not an exzact clone of the 303 but so what. If you want the exzact 303 sound there's only two things to do: get a tb303 or get rebirth.Read more
Discussion: Active


26 October 2013 at 11:25pm

Discontinued .


The others (Tau Bassline MKII and Tau Pro) are shareware (the free links are only demos).

Good products besides this... but the lack of information on this actual KVR page (the missing state "No longer available") leads to a confusion.

Muon Software Ltd
Muon Software Ltd
13 March 2017 at 11:53am

Not discontinued at all - you can get your free copy at https://facebook.com/muonsoftware.

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Average user rating of 3.91 from 11 reviews

Muon Software
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