The ACM-3SA passive filter plug-in for Linux
Download for Free
The ACM-3SA passive filter VST plug-in for Linux
Product Activation
Download for free. Every 60 seconds the plug-in will fade to silence momentarily. To remove this limitation you will need to use the free activation code provided.
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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A versatile low and high-cut filter plug-in combined with an intuitive, modern stylized user interface.
Inspired by the vintage Pultec HLF-3C passive filter, the ACM-3SA perfectly complements the ACM-2SA Vintage Program EQ and ACM-5SA Vintage Mid-Range EQ. Emulating 12dB / octave low and high-cut passive filters, the ACM-3SA combines high-performance processing with an intuitive stylized user interface. A versatile general purpose filter suitable for removing rumble, hiss, and hum with the minimum loss of content.
  • Easy to install.
  • Smooth switching between filter settings.
  • Physically modelled rotary control modes.
  • Resizable graphical user interface.
  • 12dB / octave low-cut (high-pass) filter.
  • 12dB / octave high-cut (low-pass) filter.
  • Innovative processing accurately models the analogue frequency response - without additional latency or high CPU demand, even at lower sample rates.
  • VST, VST3, JACK and CLAP plug-in for Linux.
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System Requirements - Linux
  • Linux x86-64/AMD64 64bit e.g. Ubuntu 20.04 LTS or newer.
  • A Linux VST2, VST3 or CLAP compatible Digital Audio Workstation application.
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
Linux VST2 64bit V3.1.4
Linux VST3 64bit V3.1.4
Linux CLAP 64bit V3.1.4
Linux JACK 64bit V3.1.4
Low-frequency cut filter 'Constant-K' high-pass filter switchable to 50Hz, 80Hz, 150Hz, 250Hz, 500Hz, 750Hz, 1kHz, 1.5kHz or 2kHz.
High-frequency cut filter 'Constant-K' low-pass filter, switchable to 1.5kHz, 2kHz, 3kHz, 4kHz, 5kHz, 6kHz, 8kHz, 10kHz, 12kHz and 15kHz.
Physical Control Modelling Replicates the 'feel' as well as the look of high quality rotary controls.
Passive Filters Passive filter emulation maintains the smooth frequency response of classic vintage designs.
Analogue Filter Modelling Analogue filter modelling algorithms recreate natural analogue filter curves, even at lower sample rates, without additional latency or high CPU demand, allowing more plugin instances in a typical digital audio workstation project.
OS / System Compatibility
  32bit 64bit
Linux VST2*  
Linux VST3*  
Linux CLAP*  
Linux JACK*  

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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