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 Lokomotiv by Archetype Instruments is a Virtual Instrument Audio Plugin. It functions as a VST Plugin and an Audio Units Plugin.
Product Lokomotiv
Developer Archetype Instruments
Price (MSRP) Free
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
 1.1.3    Download Released
System Requirements
Windows 7 or Windows 8 (latest Service Pack, 32/64-bit)
Intel Core Duo or AMD Athlon 64 X2
512 MB RAM
2MB free disk space
 1.1.3    Download Released
System Requirements
Mac OS X 10.7 or 10.8 (latest update)
Intel Core 2 Duo
512 MB RAM
2MB free disk space
Miscellaneous Information
Copy ProtectionNone

Lokomotiv is a software synthesizer for both Windows and Mac. Lokomotiv is designed to make your sounds more powerful and create wide range of sounds way easier.


  • Oscillator:
    • Mathematically generated high definition Oscillator without using wavetable or interpolation.
    • Silky smooth 9 X detuned sawtooth wave.
    • Pulse wave with self PWM.
    • Shape morphing sub oscillator.
  • Filter:
    • MG ladder modeling multimode filter featured Zero Delay Feedback technology.
    • Routable filter Drive. (Pre / Post).
  • Modulator:
    • Natural Curved ADSR Envelope generator.
    • Oneshot LFO which can be used as envelope.


  • 1 X OSC (Saw+ Pulse) + 1 Sub OSC. Noise Generator.
  • 1 X multimode Filter with Drive.
  • 1 X LFO, 1 X Envelop Generator.
  • 8 polyphonic voices, Mono and Legato mode supported.
  • 64 Factory preset included.
  • Native 64-bit, Mac and Windows OS supported.

Demo Track: SoundCloud.com/archetype-instruments/lokofunk-by-jaewon-choi

- No effector, no sample, used LOKOMOTIV only.


- ONLY Factory presets of Lokomotiv and automation used.

- NO EFFECTS (internal, external or master) at all.

- Maximum 2 instances used at once.


Latest User Reviews Average user rating of 5.00 from 1 review

Reviewed By arseniy2
March 3, 2017

I don't understand what is the need to install the presets into windows documents. Had to make search in total commander to find them.

I love this Hard Sync.

Read more
Discussion: Active


3 August 2014 at 6:27ampascalb

Installer don't accept to install where I want, only on default path (Windows 7 32-bits)

3 August 2014 at 10:00amjwchoi

Hi, that dialog box is for just preset bank file.
You may change the plug-in folder at next step.

4 August 2014 at 10:55amElffin

For some reason sounds don't stop playing! almost like a sustain sound on some patches (Using sonar X1) Hope this info helps...



9 August 2014 at 1:01amlayzer

at 23-26% CPU usage (intel 1.6ghz centrino) on a single note, you will have to work on that to get it down.

to the 5% CPU usage synth1 and linplug freealpha3 use.

16 August 2014 at 6:29pmjwchoi

Thanks for report!
It would be helpful to optimization if you let me know more information :) (name of host sequencer, bit (32 or 64) of your host, OS, RAM.

10 August 2014 at 12:05amalienimplant

I REALLY like the sound of this synth. Add stereo affects and distortion, and I'm on cloud nine. However...

The audio unit hangs every time I stop Logic if the note is still "on". If I don't stop Logic right between nots, it just goes on for ever. Your synth should receive an all notes off message when the host sequencer stops.

It's not a deal breaker, but it definitely affects the professional impression on the user. I hope it can be fixed.

16 August 2014 at 6:31pmjwchoi

Next update will contain bug fix about receive all note off message (CC 123).

Thanks for your info.

26 August 2014 at 2:37amARC5

Lokomotiv has been updated to 1.1.3 :)

Issues fixed and CPU usage reduced. Don't forget to grab new soundset from Marko Aamunkajo. (www.aeonlights.com)

27 August 2014 at 7:21pmDrewDale

Still no fix for FL Studio note off / sustain issues as I posted here on page #2 and #3 - http://www.kvraudio.com/forum/viewtopic.php?f=91&t=417364 A nice looking synth, but that's all I can say. I have other Juno Emu's that I can use. Shame.

16 September 2014 at 5:47pmjwchoi

We are still waiting for your setup information of FL studio to solve this issue.

and we are happy to receive any responses from anybody who have experienced similar (note stuck) issue with Lokomotiv in FL Studio. Please contact at support@archetype-instruments.com.

16 October 2014 at 10:55pmdavidalexander

where do i save these presets to on mac ? thankyou.


3 January 2015 at 2:18amSound Author

Excellent! I agree with alienimplant. Some kind of stereo width parameter would be nice. A unison pan spread control would be awesome.


10 January 2015 at 8:14pmswever

Sounds amazing! BUT there's some sort of voice allocation problem. The "CrimsonGlory" patch from the factory bank is one example. Play a few chords in succession and it sounds worng once its starts stealing voices. Win7 x86, Ableton Live 9.1.6 32-bit.

25 February 2015 at 3:26pmJStolarski

After I listened to the tracks on Soundcloud, I decided to try it. There are so many synths and it's counter productive to try a bunch and and never get familiar with one, but this one has some subtle effects that just sound so smooth and "wet" that I just have too. Thanks for the work on it guys. I know it sucks to be giving away something you've worked on, probably harder than the work I put into my mixes. But, that's the way things are, for now. So much music, and you would think with the beautiful synths and effects that are now at our disposal, that the music would be getting better. I am an avid listener of music, and I frankly can't understand how bad a lot of the music sounds. I started doing remixes and mixing about 8 months ago, and the quality of the remixes that are being chosen as the winners in a lot of the contests, has really gone down.

1 September 2015 at 5:01pmTaron

I'll just say it: I love you guys! 8D.

Honestly, this thing is beautiful, the sound is what I already knew it had to be and then some, just gorgeous, rich and clear and I can't wait for you guys to make a commercial big brother of it with additional modulation controls as brilliantly arranged as you've already started. And don't forget to sponsor an OSC here for sure.

Congratulations, you're giving me a moment of euphoria and my new favorite free synth! Rock on.

1 September 2015 at 5:11pmTaron

...almost forgot: The only "funny" thing is the "Bend Range" number! Ordinarily it's halftones away from the origin, meaning 2 should go 2 halftones around the played note, but in your case it's one less. That's a little odd, I'd say, but other than that: Still love you! 8))))

3 September 2015 at 7:49pmYeager

Yep, a 2 octave bend is NOT possible, you get close, but it's missing that last little push..;)

3 September 2015 at 9:43pmTaron

One other odd thing is that there's no tuning? That almost feels a little like an oversight to me and that alone makes me wish for a version 2.0.

I also can't quite put my finger on it, but when max polyphony is reached, it seems to cut off notes not based on the quietest, but possibly in order based, haven't checked it, yet, but it sounds a bit wrong to me. I also believe it could handle a lot more notes and going up to 32 or higher should be no problem, I'm sure. A choice for that could be elegant.

Those things I would still consider foundation and would make a courteous update to the free version. A commercial version could simply have complex modulation routing, several LFO targets with independent amounts or even 2 LFOs and 2 envelopes. It wouldn't even need that much more, maybe a stereo option, but I'm sure it would be enough to have a stunning little product well worth buying.

4 September 2015 at 8:41amTaron

I probably should look for a thread on this, but anyway...

Polyphony issue #2: Velocity on Amp shows more logic troubles that simply have to get approached differently. Give a sound some release time! Hit a note hard and then hit that same not softly right after! You'll hear that the second cuts of the first immediately, showing that the polyphony logic looks for the same not currently still playing and assumes it has to get replaced with the new hit since the same note "couldn't play more than once". Bad choice and should really get fixed, honestly.

With the full-on glory of this synth in its sound and its interface elegance, it really deserves greater care on those fundamentals. I really, really urge you to have another look at the code, please. You're literally sitting on a- if not 'THE"- pearl out there. It will only take some minor tweaks to make it unbeatable for the near future.

Add the option to increase the maximum polyphony, add a global or even individual fine tuning, fix the bend range display number (hihi) and that's kind of about it and you will have contributed a piece of VST history.

4 September 2015 at 5:22pmSound Author

...To update my last criticism, when I say "stereo width parameter", I'm just talking about a single delay line that you could toggle on and off, perhaps labeled "Stereo" or maybe "Haas", with a time value control from...oh, let's say 7-25 milliseconds. It would be a simple add-on, taking up very little CPU. Of course, I don't have much experience with C++, but I think most of the work would involve making room for it in the GUI.

Currently, I'm using FL's Stereo Shaper at about 16ms in tandem with the "Synth Strings" preset from Marko Aamunkajo's free "Original House & Trance" bank -- seriously check that out if you haven't already -- and I'm only using up 14% CPU with my fingers holding down four notes. Sounds very nice. I think I'll definitely be taking Lokomotiv on-board my go-to freeware VA synth arsenal, which (until now) includes only two programs: Synth1 and Charlatan 2. It's good to finally have a third party ;)

12 December 2015 at 11:34pmtoolsquatch


13 December 2015 at 12:07amTaron

LOL, it needs an overall overhaul.

I was way too excited way too early. I know now how tricky it is to write proper polyphony, for example, but even my first attempt is something Lokomotiv could use bitterly. There were many unfortunate weaknesses in it...kind of a waste of some really neat stuff in there. Ah well...I hope he keeps at it.

14 January 2016 at 7:41pmtungee78

This is in my ears the best sounding Freeware-Synth!
The Oscillators and the Filters are sounding extraordinary good.

The Drive section, especially the POST-drive, gives the sound an analog warmth.

Its extreme versatile alltough it has not so much knobs. This will stay for sure in my arsenal.

15 February 2016 at 10:00amcaiua

Is there a manual for Locomotiv?

23 July 2016 at 11:14pm100F

Have you thought of doing something like a more traditional VA with this sound engine?

I mean I LOVE THE SOUND but the synth is incredibly limited.

Please do the world a favour and release a new version with 2 LFOs, tunable osc and an amp env. And SELL IT!.

7 December 2016 at 8:01pmclocolan

I've used AI's Lokomotiv rather ruthlessly in my new album--it does way more than just arpeggios and bass lines. Beautiful textures to be found in this little gem, ranging from silky, whispy leads to noisy, buzzing pads.

Album preview here:

Lokomotiv featured on:
01 Namaqua
02 Everything You See Is You
03 Cannon Rock, '72
04 Redstone
05 Obsolete Advancements
06 Ciskei

Thanks for making this available guys, one of my favorite noisemakers.

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Average user rating of 5.00 from 1 review

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