The complete extremely accurate legends.

Legendary passive equalizers have long been a top choice of leading recording and mastering engineers since it was released. When it was first on the market; this custom-engineered and built by hand unit was a game-changer in recording studios, as you now could manipulate the sound even farther than before, bring it closer to the front of the mix, and make it feel as if you’re in the room with the performer. With tons of research and hard work; we are proud to present extremely accurate models of these legendary equalizer units, Rule Tec® Collection. The legendary tone is here with all of the legendary signature features including the “trick”.

Watch the Overview Video

See the features, hear the warm sound of the Rule Tec Collection.


In this tutorial video, you’ll see how to set the low-frequency controls of the Rule Tec on bass drums.

  • Extremely accurate circuit reproduction of the 3 classic vintage passive equalizers
  • Combination of the popular classic analog circuit models
  • Unique analog behavior of total harmonic distortion, tubes, hum, etc.

Well known Top Models in One Bundle.


Classic mixing and mastering equalizer.


EQ5M is a classic mid-range mixing and mastering equalizer. On top of the EQ5M, the F3C model was added to complete the purpose with unique taming sharp high pass – low pass filters.


FC3C + EQ1A + EQ5M… All three models are in one single plugin. The very powerful unit combines All of The Rule Tec Models.

Legend from the History

The result is pretty amazing. All in one solution for legendary famous equalizer tone that you’ve heard in thousands of records for 70 years.

Interactive Analog Behavior

We’ve modeled lots of unique complex interactive analog behavior to present all signature characteristics of the original units’ “a must-have tone”. Same musicality, clarity, warmth, and character with original units which is immediately noticeable when tweaking frequency boosts.

On Every Track

Use it on every track. Just put it on the channel, and it will just sound great. Rule Tec adds a very desirable and subtle tube saturation to your signal even when the EQ is set flat. Rule Tec Heritage Pro is a perfect all-in-one solution for both professional mixing and mastering purposes. You really can’t go wrong with it.

Product Specifications

  • Extremely accurate circuit reproduction of the most popular vintage studio equalizers ever made
  • Complex legendary interaction between filters with smooth and musical curves
  • Unique analog behavior of total harmonic distortion, tubes, hum, etc.
  • Friend of CPU
  • Resizable GUI

Channel Components

Rule Tec EQ1A
Rule Tec EQ5M
Rule Tec Heritage Pro

System Requirments

  • You can try all of the NoiseAsh products using Demo Mode which is fully functional, with no expiration date. As the Demo Mode limitation, the output of the plugin will mute briefly every 30 seconds. If you like it, you can purchase a license and then authorize the demo mode.
  • Windows
  • Included: VST3, AAX plug-in versions (64-bit only)
  • Windows 7 64-bit or above
  • VST3 / AAX host
  • Intel I3 2ghz or above / AMD Athlon 64 X2 or above
  • 4 GB RAM / 2 GB free space on the system drive
  • Min. 1024×768 Screen Resolution
  • Ability to download
  • macOS
  • Included: VST3, AU, AAX plug-in versions (64-bit only)
  • macOS 10.9.5 or above
  • VST3 / AU / AAX host
  • Intel I3 2ghz or above / Native Apple Silicon (except for AAX)
  • 4 GB RAM / 2 GB free space on the system drive
  • Min. 1024×768 Screen Resolution
  • Ability to download

License Protection

NoiseAsh products use a completely software-based licensing system. No USB or hardware dongles, no special drivers are needed. The activation process is pretty easy and straight forward which provides both Online and Offline Activation.

No USB Dongle

No USB or hardware dongles are required


1 license up to 3 computers

Online & Offline

Both Online and Offline Activation options are available

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