The ACM70 vintage limiter plug-in for Windows and Linux
Free Demo
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The ACM70 vintage limiter VST plug-in for Windows and Linux
Demo Limitations
Download and try for free. Every 60 seconds the plug-in will fade to silence momentarily. To remove this limitation you will need to buy an activation code.
To remove the demo limitations, open the plug-in in your host application and click the lock button at the top left of the plug-in to open the license entry dialogue. Type (or paste) your product activation code into the text box. You will then need to restart your host application to complete the process.
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The effortless control and uniquely musical character of one of the best-known vintage compressor / limiters, combined with an intuitive modern user interface.
Inspired by the legendary smooth, effortless control and uniquely musical character of the classic Fairchild 670 limiter, the ACM70 emulates the weight and authority of a high-end vintage mastering compressor / limiter - taming dynamics without robbing the mix of power or detail.
  • Smooth controls with no 'zipper noise' when adjusting the plug-in settings.
  • Physically modelled rotary control modes.
  • Fast attack and program dependent release settings.
  • Progressive onset of compression / limiting as signal level increases.
  • Lateral / Vertical, Independent, and Linked stereo channel modes.
  • State of the art processing emulates a fully balanced transformer-coupled signal path, while an innovative delay-free feedback algorithm accurately mirrors analogue sidechain behaviour.
  • VST and VST3 plug-in for Windows and Linux.
System Requirements - Windows
  • 64bit Windows 7 or newer.
  • A compatible host application with VST2 or VST3 plug-in support.
System Requirements - Linux
  • Linux x86-64/AMD64 64bit e.g. Ubuntu 20.04 LTS or newer.
  • An X11 or XWayland compatible host application with Linux VST2 or VST3 plug-in support.
Disclaimer: All trademarks are the property of their respective owners and are used for information purposes only. References to other companies or their products or representation of those products does not imply any official endorsement of the software by those companies or any affiliation to those companies unless expressly stated otherwise.
Latest Version
VST2 64bit V3.1.4
VST3 64bit V3.1.4
Fully balanced transformer-coupled design Emulates analogue circuit behaviour.
Physical control modelling Replicates the 'feel' of high quality rotary controls.
Delay-free feedback design Innovative DSP provides a delay-free feedback topology, replicating equivalent analogue circuit behaviour.
Soft-knee limiter Onset of limiting is progressive as level increases, ensuring smooth, transparent limiting.
Program dependent release Six time constants, including two settings which react to the prevailing program dynamics.
Three stereo modes Independent, Linked, and Lateral / Vertical mode for flexible stereo processing.
OS / System Compatibility
  32bit 64bit
Windows VST2  
Windows VST3  
Linux VST2*  
Linux VST3*  

OS / System requirements based on typical representative configurations and host applications. Be sure to check compatibility with the free demos provided.
*Linux compatibility is dependent upon operating system components, configuration and host application(s). Please check compatibility using the free demo.
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