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 Rule Tec EQ1A by NoiseAsh, Inc. is a Virtual Effect Audio Plugin. It functions as a VST Plugin, an Audio Units Plugin and an AAX Plugin.
Rule Tec EQ1A Rule Tec EQ1A Rule Tec EQ1A
Product Rule Tec EQ1A
Developer NoiseAsh, Inc.
Price (MSRP)
Type / Tags PultecAnalogAnalog EmulationAnalog SaturationColoring EqualizerEqualiserEqualizer PreampEqualizer/PreampPassive EqualizerPultec EQPultec EQP-1APultec MEQ 5
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
Downloads Released
System Requirements
Intel I3 2ghz / AMD Athlon 64 X2 or above
Windows 7 with SP3 or above
4 GB RAM / 2 GB free space on system drive
VST / AAX host (supports both 32-bit & 64-bit platforms)
Min. 1024x768 Screen Resolution (1280x1024 / 1600x1024 Recommended)
Ability to download (Included: VST 32-bit, VST 64-bit, AAX 32-bit, AAX 64-bit
Downloads Released
System Requirements
Intel I3 2ghz or above  OS X 10.9.5 Mavericks and above
4 GB RAM / 2 GB free space on system drive
VST / AU / AAX host
Min. 1024x768 Screen Resolution (1280x1024 / 1600x1024 Recommended)
Ability to download (Included: VST, AU, AAX versions)
Max. 6 items
Latest Version Changes [view all]

Legendary passive equalizers have long been a top choice of leading recording and mastering engineers since it was released in 1951. 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 had the ability to 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. We've modeled lot's of unique complex interactive analog behaviour in order to present all signature characteristics of the original units' "a must have tone". 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. Rule Tec EQ1A for classic mixing and mastering. Same musicality, clarity, warmth and character with original units which is immediately noticeable when tweaking frequency boosts. Legendary tone is here with all of the legendary signature features including "Pultec EQ trick".


  • 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.

{See video at top of page}


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