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 A1TriggerGate by Alex Hilton / A1AUDIO is a Virtual Effect Audio Plugin. It functions as a VST Plugin, an Audio Units Plugin, an RTAS Plugin and an AAX Plugin.
Product A1TriggerGate
Developer Alex Hilton / A1AUDIO
Price (MSRP)
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
Downloads Released
System Requirements
Windows XP / 7 / 8 / 10
(32 / 64-bit)
Downloads Released
System Requirements
OS X 10.6 (and above)
Miscellaneous Information
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Max. 6 items
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A1TriggerGate is a 'Sequenced Gate' plugin to chop up any incoming audio signal. It is a well known effect in electronic music and sometimes also known as 'Trance Gate' effect.

Pattern Sequence

This plugin synchronizes to the host sequencer / DAW tempo. Each internal sequencer pattern consists of 4 beats / 16 steps (or 12 steps in Triplet mode). Each step length is eighter a 'ShortStep', 'LongStep', 'StepLink' or 'NoStep' and has its own step volume fader. There are 8 independent patterns that can be switched via automation.

Integrated FX

The integrated FX (Lowpass Filter, Drive/Distortion and Echo/Delay) are designed for easy usage. There is only a minimal number of parameters to get the desired effect as fast as possible. Of course there is a 'Global FX Off' switch to step through all presets without hearing any of the integrated FX. Professional producers will appreciate that little feature.

Pattern Commands

In Expert Mode there a 4 pattern command tabs featuring 'shift left/right', 'copy & paste, 'random' and 'init' commands eighter for the step volume values, the step lenght values or all of them. Especially the 'random' command on step length values gives interesting results and is a good source for inspiration.


  • FREE.
  • VST / AU / RTAS / AAX for MAC & PC (32 / 64-bit).
  • sequenced gate.
  • 8 patterns, 4 beats.
  • triplet mode.
  • additional internal FX (Lowpass Filter, Drive/Distortion, Echo/Delay).
  • all parameters automatable.
  • all parameters fully undoable (undo / redo).
  • no latency.
  • RESIZABLE GUI (fully vector-based, nice on 'retina' displays or even very small ones).

Price: Free at www.AlexHilton.net/A1AUDIO

Latest User Reviews Average user rating of 5.00 from 1 review

Reviewed By Sycopation
October 20, 2015

I like this plugin a lot. The presets all seem to be geared to dance / EDM genres, which doesn't do a whole lot for me, so I basically never use them.

So, if you're not working in those genres, you might think this thing is way too over-the-top. The solution to that is simple - turn down the mix knob. Actually, I rarely use this over 50%, and I quite often use this as a send effect rather than an insert. I find it easier to control that way.

My favorite use for this is on pads. It just adds a rhythmic component to them. But again, subtlety is key. There is a fine line between adding a relatively subtle rhytmic pulse to a track, and making the whole track sound like an EDM banger.

It's free, but having used it now for 3+ months, it would easily be worth at least $20 to me, and I'm a cheap SOB. It's just sooooo easy to use, and it can really help give a nice "breathing" to an otherwise lifeless part. Just don't try to use it to rhythmize your whole track, unless you want it to be repetitive as all getout.

One suggestion I have for improvement is to be able to adjust the note value of each 16-part pattern. It only allows for 16th note durations, which can be pretty limiting, especially if you're not into dance music.

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Discussion: Active


20 June 2015 at 9:49pmSynthJocky

Fantastic plugin, definitely worth getting if you want a sturdy yet simple rhythmic gate processor in your mixes. 5/5.

29 July 2015 at 8:53amWill Zégal

Impressive work. Plenty of functions with remote control and automation on almost each, easy and simple to use, even in expert mode, steady and efficient, clear and readable GUI. 5/5.

27 July 2017 at 5:06ammiikalumi

Very nice plugin when it works, thank you! I'm having sync problems on OS X / Logic Pro 9, also initial opening of the plugin freezes Logic for about a minute.

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Average user rating of 5.00 from 1 review

Alex Hilton / A1AUDIO
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