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Three-Body Technology

Kirchhoff-EQ

The ultimate EQ plugin, featuring dynamics processing, vintage models and mixed phase options.

Product Type:

EQ, Mixing, Mastering 

User Groups:

Mixing Engineers, Mastering Engineers, Producers, Sound Designer

Hard Rock Live Drums - DRY
Hard Rock Live Drums - WET
Heavy Rock Distorted Guitar - DRY
Heavy Rock Distorted Guitar - WET
Heavy Rock Mix - DRY
Heavy Rock Mix - WET
Keys - DRY
Keys - WET
Live Drum Kit - DRY
Live Drum Kit - WET
Male Vocal - DRY
Male Vocal - WET
Pop Mix - DRY
Pop Mix - WET
R&B Female Vocal - DRY
R&B Female Vocal - WET
Rock Electric Guitar Stack - DRY
Rock Electric Guitar Stack - WET
Rock Male Lead Vocal - DRY
Rock Male Lead Vocal - WET
Roomy & Organic Drums - DRY
Roomy & Organic Drums - WET
Simple Electric Bass - DRY
Simple Electric Bass - WET
Snappy Electric Bass - DRY
Snappy Electric Bass - WET
Upbeat Pop Rock Drums - DRY
Upbeat Pop Rock Drums - WET
Upbeat Pop Rock Electric Guitar - DRY
Upbeat Pop Rock Electric Guitar - WET
Upbeat Poppy Piano - DRY
Upbeat Poppy Piano - WET
Anthemic Rock Drums + Bass - DRY
Anthemic Rock Drums + Bass - WET
Chill Hop Drum Kit - DRY
Chill Hop Drum Kit - WET
Clean Bass - DRY
Clean Bass - WET
Clean Electric Guitars - DRY
Clean Electric Guitars - WET
Electronic Drums - DRY
Electronic Drums - WET
Emo Chill Pop - DRY
Emo Chill Pop - WET
Fat Saw Synth Pad - DRY
Fat Saw Synth Pad - WET
Hammond Organ - DRY
Hammond Organ - WET
Kirchhoff-EQ Sound Examples

EQ will never be the same again

Kirchhoff-EQ is the ultimate 32-band parametric EQ plugin, built for critical professional applications. It features refined sound quality, analog modeled curves, ultra-low distortion dynamics processing, 15 filter types (with continuously variable shape) and 32 vintage EQ types that emulate real-world devices.

The ultimate in sound quality

With its “Robust Nyquist-matched Transform”, Kirchhoff-EQ has made its digitally modeled frequency response more closely match its analog counterparts, without the high frequency “cramping” found in regular IIR (infinite impulse response) equalizers.

High-precision processing

Sporting 64-bit operation by default, Kirchhoff-EQ uses a technique called “Double-Double” to make the precision of internal processing reach 117 bits! This is the first equalizer in the world to reach such precision. A technology called “Psychoacoustic Adaptive Filter Topologies” allows filter structures to intelligently change themselves to their “best fitting” state, resulting in optimized sound quality without tradeoffs in low or high frequencies.

A full palette of analog and digital filter types

Kirchhoff-EQ includes 15 unique filter types from conventional low pass, high pass, bell and shelving filters to more esoteric flat tilt, flat top and “sword” filters. Take advantage of 9 precisely matched vintage EQ models and fully variable EQ points not found in the analog domain.

Selectable phase modes

To meet all your phase relationship needs, the phase mode of Kirchhoff-EQ is switchable between zero-latency mode, analog mode, linear phase mode and an ingenious mixed phase mode that uses zero-latency when the band frequency point is low, and uses linear phase when it is high.

Deep and powerful dynamic EQ capabilities

Dynamics processing in the Kirchhoff-EQ are not just a bonus—they provide some of the richest dynamics features you have ever seen. With two-way thresholds, adjustable “onset” control and a relative detection option, you can do things other EQs simply can’t: Simultaneously compress and expand to help “stabilize” a given frequency. EQ transients separately from body. Or, effectively sidechain one frequency band to the dynamic activity in another. Even the vintage-modeled curves can be applied to the dynamics processing.

Downloads

Download this plugin and all other Plugin Alliance installers HERE, using the PA Installation Manager desktop application.

Download the product manual for Three-Body Technology Kirchhoff-EQ here

Specification

Supported Plugin Formats
AAX Native, AU, AAX AudioSuite, VST2, VST3

Supported Operating Systems
macOS 12 down to macOS 10.11
Windows 11 down to Windows 8

Mac
Intel, or Apple Silicon (except for AAX) architecture

PC
x64-compatible CPU

System requirements

Display resolution: 1440 × 900px or 1280 × 960px or higher
Memory: 2 GB RAM

MEGA Bundle

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MEGA L

3 FREE Plugins every year!

$14.99/mo

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Free Trial

  • Activation: 3 Machine
  • Use 150+ Plugins (except 3D Mixing)
  • 40+ Modular FX
  • Pick ANY 3 FREE Plugins, every year!
  • MEGA Sampler & Sounds
  • NEW! 6 FREE Online Masters

Terms & Conditions

MEGA XL

6 FREE Plugins every year!

$24.99/mo

Get started

Free Trial

  • Activation: 3 Machines
  • Use 150+ Plugins (incl. 3D Mixing!)
  • 40+ Modular FX
  • Pick ANY 6 FREE Plugins, every year!
  • MEGA Sampler & Sounds
  • NEW! 12 FREE Online Masters (HD)
  • BX Mastering DAW

Terms & Conditions

MEGA XXL

10 FREE Plugins every year!

$29.99/mo

Get started

Free Trial

  • Activation: 3 Machines
  • 150+ Plugins (incl. 3D Mixing!)
  • 40+ Modular FX
  • Pick ANY 10 FREE Plugins, every year!
  • MEGA Sampler & Sounds
  • NEW! 20 FREE Online Masters (HD)
  • BX Mastering DAW
  • Live Plugin Host
  • NEW! Unlimited Access to PA Beta Program!

Terms & Conditions

MEGA L

3 FREE Plugins every year!

$149.99/yr

Get started

Free Trial

  • Activation: 3 Machine
  • Use 150+ Plugins (except 3D Mixing)
  • 40+ Modular FX
  • Pick ANY 3 FREE Plugins, every year!
  • MEGA Sampler & Sounds
  • NEW! 6 FREE Online Masters

Terms & Conditions

MEGA XL

6 FREE Plugins every year!

$249.99/yr

Get started

Free Trial

  • Activation: 3 Machines
  • Use 150+ Plugins (incl. 3D Mixing!)
  • 40+ Modular FX
  • Pick ANY 6 FREE Plugins, every year!
  • MEGA Sampler & Sounds
  • NEW! 12 FREE Online Masters (HD)
  • BX Mastering DAW

Terms & Conditions

MEGA XXL

10 FREE Plugins every year!

$299.99/yr

Get started

Free Trial

  • Activation: 3 Machines
  • Use 150+ Plugins (incl. 3D Mixing!)
  • 40+ Modular FX
  • Pick ANY 10 FREE Plugins, every year!
  • MEGA Sampler & Sounds
  • NEW! 20 FREE Online Masters (HD)
  • BX Mastering DAW
  • Live Plugin Host
  • NEW! Unlimited Access to PA Beta Program!

Terms & Conditions

$299  $149.99
Full License Intro Price

If you don’t want to start a MEGA Bundle subscription you can buy a perpetual (forever) license of Three-Body Technology Kirchhoff-EQ instead.

Either pay $149.99 today and own the license forever – or just pay your license off in 6 easy monthly rates of just $24.99.

How does the new PA Rent-To-Own model work? 

  1. First of all, our rent-to-own plans are based on the intro price offer, not the full list price. Save big – and still pay low monthly rates!
  2. Choose our new Rent-To-Own plan below, and you will start a payment plan of $24.99 for 6 months.
  3. Pay the 1st installment today, and you can use Three-Body Technology Kirchhoff-EQ right away!
  4. The other 5 rates will be auto-charged every month for the next 5 months, then your payment plan (a short-term subscription) will stop automatically. No need to cancel.
  5. After the 6th payment we will send you a code for the full license via email automatically!

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