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32-bit / 64-bit

Epure V3

EQ by Flux

Yvesjaget bandeau original
This equalizer belongs to the rare plug-ins, which make music instead of sound. During a 96 KHz session for a rather rock band, I've inserted around twenty of them. At first I've noted the code optimization, because of the very moderate DSP expense. Then, as usual, I wondered if sacrificing two equalizer sections for high pass and low pass filters, I wouldn't suffer of at least a parametric section shortage, regarding the three remaining sections. I did not, because I've observed that my corrections were not the same with Epure and with the software equalizer I used previously. I've equalized broader and much less than for my prior sessions. I loved the x2, /2, and Invert features which permit searching for the sensitive frequency by boosting, and inverting the gain value in a single mouse click. I loved the A/B Morphing, because it allows smooth changing. I also loved the gain, because all equalizers don't have this function, and it's a real must, when you need to compensate a gain reduction or the inverse. I think that this minimum phase equalizer offers both sweetness and musicality which are common on analog devices. For my part, I've used it on almost any kind of sources, especially voices, drums, basses...This plug-in is definitely one of my favorite devices, and it splendidly bears its name. Epure.
Yves Jaget. Sound Engineer

Built wIth our proprietary State-Space technology, carefully tuned to preserve the optimal signal to noise ratio independent of the parameter settings (unlike conventional digital filters increasing the noise level for negative gain values), preventing the signal from deteriorating when the gain is reduced, delivering the most superior quality achievable in digital equalizing processing today, Epure v3 is a powerful go-to processor for your day-to-day session works, and a sharp-edged surgical precision tool for the most demanding equalizing and filtering tasks conceivable.

User Interface And Workflow

In addition to the supreme audio quality, the logical and comprehensive user interface includes a variety of instant shortcut functions provided to enhance and simplify the user workflow, allowing for instant and precise operation. Each of the five colour coded band sections is covering the complete frequency range and offers -/+ 24 dB gain with dynamic gain controls allowing you to multiply the gain by 2, divide it by 2, or invert the gain with just the flip of a switch.
As all Flux:: processors Epure v3 provide up to eight channels of simultaneous processing for multichannel/surround operations.
In addition, 4 MS decoders/encoders and up to 8 internally routable processing groups present the ability to process multiple explicit tiers from within one single plug-in instance, allowing for complex processing assignments such as separate processing of M and S components.
Using the internal processing groups and the MS option in a multichannel setup, you could for example have one set of controls grouped together for the front channels, with a different group controlling the rear channels, configuring an MS EQ on the front channels and simultaneously another MS EQ on the rear channels as well, using one single instance of Epure v3 only.
Open Sound Control Support
Open Sound Control (OSC) is a content format for messaging among computers, sound synthesizers, and other multimedia devices that are optimized for modern networking technology. Bringing the benefits of modern networking technology to the world of electronic musical instruments, OSC's advantages include interoperability, accuracy, flexibility, and enhanced organization and documentation.
With the Flux:: version 3 (v3) framework support for OSC is introduced in order to allow for remote control of the plug-in parameters using OSC enabled devices and software applications such as TouchOSC for iPhone / iPod Touch / iPad.
Epure v3 Band Features
Each of the five band-sections provides
  • Filter type selection
    • low cut
    • low shelving
    • peak
    • hi shelving
    • hi cut

  • Frequency range covering the whole bandwidth
  • Q factor adjustable (from 1.00 to 100.00)
  • Gain control (ranged -24 dB to +24 dB)
  • Bypass
Epure v3 User Interface Features
To match the perfection of the sound quality of the Epure v3, we have provided a range of user interface functions to improve the workflow.
  • Multiply gain (x2) affecting the gain value of the band-section.
  • Divide gain (/2) affecting the gain value of the band-section.
  • Invert, converting the band-section positive values to negative and vice versa.
  • up to 8 band group
Signal Processing Features
  • Master gain control.
  • full I/O routing matrix
  • up to 4 MS encoder / decoder
  • Bypass routes the incoming signal direct to the output for a true smooth transition between processed and clean signal.
Preset and Parameter Handling
Preset/Parameter slots
To enhance the workflow the two Preset/Parameter slots, A and B, can be loaded with two full set of parameters at the same time. Apart from saving each preset, a "Global Preset" containing both the A and B settings, and the position of the "Morphing Slider", can be saved.
Parameter Morphing Slider with Automation

The Morphing Slider provides morphing between the parameter settings of slot A/B allowing for really creative and useful real-time tweaking. Enabling the Automation control button exposes the Morphing Slider to the host automation.



Epure v3 is available in:

  • AU / VST / AAX Native / AAX DSP / AAX AudioSuite / TDM for AVID VENUE Systems
  • Merging VS3 MassCore/Native**

Processing Specifications

Epure v3, as all Flux:: plug-ins, provide

  • Up to 8 channels Input/Output.
  • 64-bits internal floating point processing.
  • Sampling rate up to 384 kHz DXD (Pyramix & Ovation MassCore/Native)**
  • Sampling rate up to 192 kHz for native (AU/VST/AAX/AAX AudioSuite).


All major native formats as well as AVID AAX DSP are supported

  • Windows - XP, Vista, 7, 8 and 8,1 all in both 32 and 64 bits*.
  • VST (2.4)
  • AAX Native/DSP*
  • AAX AudioSuite*
  • Merging VS3 (Only in Windows 7 32/64 bits)**


  • Mac OS X (Intel) - 10.7, 10.8, 10.9 and 10.10 in both 32 and 64 bits*.
  • VST (2.4)
  • AU
  • AAX Native/DSP*
  • AAX AudioSuite*

* Epure v3 AAX Native/DSP & AAX AudioSuite supports 32 bit in Pro Tools 10.3.5 and 64 bit in Pro Tools 11.
**VS3 32/64 bit versions for Pyramix 9 & Ovation Native/MassCore available only through Merging Technologies

Due to AVID ProTools changing to AAX, from Version 3 (v3) RTAS for AVID ProTools is no longer supported.



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