• views: 25
• date: 11 October 2026
• posted by: voska89

Software Overview

NK Productions AEQ-4000 Fusion eXtreme is intended for mixing engineers, producers, and audio professionals who want the characteristics of a classic console equalizer in a plug-in format. Its four EQ styles provide different equalization responses, while the two processing engines offer alternative approaches to the modeled hardware behavior.
A central aspect of the design is its attention to channel-specific characteristics. Rather than treating the left and right channels as identical, the model incorporates measured differences between them. The developer reports an RMS deviation of no more than 0.44 dB between the reconstructed EQ curves and the measured hardware response.
Reference Calibration addresses another practical aspect of analog modeling: the relationship between input level and the behavior of the modeled circuit. When the incoming signal is below the reference level, the analog stage may be driven less strongly, changing the tone and harmonic response associated with a preset. Ref Cal and Auto Input provide a way to compensate for this difference without altering the Input Trim setting.

Key Features

• Console EQ Modeling: Recreates the equalization characteristics of a classic mixing-console channel.
  
• Four EQ Styles: Provides four measured equalization approaches for different tonal requirements.
  
• Dual Processing Engines: Includes two engines for modeling the console EQ.
  
• Measured Frequency Response: Reconstructs individual frequency bands, gain laws, and Q shapes from the original hardware.
  
• Channel-Specific Modeling: Preserves measured differences between the left and right channels.
  
• EQ Curve Accuracy: The developer reports a match to measured hardware within 0.44 dB RMS.
  
• Reference Calibration: Compensates for differences between the incoming signal level and the unit's reference level.
  
• Auto Input: Measures the required input correction while Reference Calibration is enabled.
  
• Separate Calibration Storage: Keeps the calibration correction independent of the Input Trim control.
  
• Preset Consistency: Prevents the calibration value from being stored as a plug-in parameter in presets.
  
• Calibration Recall: Remembers the calibration value when Ref Cal is disabled and reapplies it when the mode is enabled again, without requiring another measurement.
  

Why Choose NK Productions AEQ-4000 Fusion eXtreme

NK Productions AEQ-4000 Fusion eXtreme is designed for audio professionals seeking console-style equalization with attention to measured hardware characteristics. Its four EQ styles, dual engines, and channel-specific modeling provide a range of options for shaping audio during mixing and production.
Reference Calibration is particularly useful when working with presets designed around a specific analog reference level. Separating input correction from Input Trim allows users to compensate for level differences while preserving the trim setting and keeping calibration data out of saved presets.

System Requirements

Specific supported operating systems, plug-in formats, processor requirements, memory requirements, and other hardware specifications are not provided in the source information.

Frequently Asked Questions

What is NK Productions AEQ-4000 Fusion eXtreme used for?

It is a console EQ modeling plug-in for shaping audio with equalization characteristics based on a classic mixing-console channel.

How many EQ styles are included?

The plug-in includes four measured EQ styles and two processing engines.

Does the modeling account for differences between stereo channels?

Yes. The model incorporates measured differences between the left and right channels rather than assuming both channels have identical characteristics.

What does Reference Calibration do?

Reference Calibration compensates for differences between the incoming signal level and the modeled unit's reference level. The Auto Input function measures the correction, which is retained separately from Input Trim.

Is the calibration value saved in presets?

No. According to the supplied description, the calibration value is not a plug-in parameter and therefore cannot be embedded in a preset. The value is remembered when Ref Cal is disabled and reapplied when the mode is enabled again.

Home Page

https://nk-productions.net/products/AEQ-4000FX/

Product Information

• Software Name: NK Productions AEQ-4000 Fusion eXtreme
  
• Version: v1.3.1
  
• Languages: English
  
• License type: Full Version
  
• File Size: 88MB
  

   
   
   

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