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Comp DIODE-609 Comp DIODE-609 Comp DIODE-609 Comp DIODE-609 Comp DIODE-609
Comp DIODE-609 by Arturia is a Virtual Effect Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and an AAX Plugin.
Win 8.1+ PC: 4 GB RAM; 2 GHz CPU.
1GB free hard disk space
OpenGL 2.0 compatible GPU
10.13+: 4 GB RAM; 2 GHz CPU.
1GB free hard disk space
OpenGL 2.0 compatible GPU
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Comp DIODE-609 is a re-engineered software emulation of the legendary Neve 33609 Diode Compressor and Limiter, famed for its warm, smooth, and versatile stereo response. For mixing and mastering alike, reinforce your sound with the spirit of analog dynamics.

Main Features:

  • Added variable attack time.
  • M/S mode option.
  • Advanced features panel.
  • External side chain option.
  • Advanced sidechain EQ and look-ahead controls.
  • Analog Input drive.
  • Dry/wet control.
  • Optional stepped controls.
  • Analog and digital level displays.
  • Resizable window.
  • Integrated tutorials.
  • Broad selection of presets for mixing and mastering.

The gold standard compressor

Listen to any chart-topping hit, award-winning soundtrack, or seminal album from the past 40 years, and it's likely that you'll be hearing the signature transient wizardry of the Neve 33609.

From Daft Punk to Coldplay, James Newton Howard to Michael Buble, this dual-channel compressor and limiter has been the dynamic backbone of studio recordings for almost half a century.

Its unmistakably creamy response, simple design, and huge sonic flexibility has cemented its reputation as the gold standard - modern music simply wouldn't be the same without it.

The dynamic all-rounder

Comp DIODE-609 transcends the terms 'compressor' and 'limiter' to offer go-to dynamic enhancement, whatever the occasion; delicate, smashed, or pumping, it'll deliver the dynamic goods.

For every sound

Parallel drum bus processing, bass guitar fattening, final-touch master bus coloration, and everything in between; Comp DIODE-609 is a crucial tool for any producer, music maker, or audio professional.

Modern enhancements

Comp DIODE-609 is modernized for the demands of contemporary production; features like mid-side processing and built-in sidechain EQ controls further expand its flexibility to suit your needs.

Revered Neve sound

Capture the magic of a cornerstone of audio engineering, lauded throughout the industry, right in your DAW. An exquisite sound that continues to define hit records and audio trailblazers to this day.

Engineered to perfection - again

Behind Comp DIODE-609's authentically simple interface is a wealth of groundbreaking engineering, extensive analysis, and detailed modeling. The end result is a professional, intuitive effect that efficiently enforces the laws of mix dynamics, working sonic wonders with the smallest of tweaks - retrofitted with razor-sharp contemporary features to suit every modern production need.

Perfect compressor

At the heart of Comp DIODE-609's features is the dual compression panels. This diode-style compression is particularly effective on bus channels such as drums and your stereo master, but will also add tightness and harmonic richness to vocals and instruments.

It features the familiar essential controls, from slow/fast attack options to makeup gain, and has been equipped with a variable attack time option for the optimal amount of punch.

Crunchy limiter

Comp DIODE-609's limiting abilities are authentically the opposite of transparent. Even when used to protect the peaks of your mix, it has a distinct warmth to it - and when you tighten the threshold, you'll enjoy that signature crunch that's as popular as ever.

Stereo processor

As with its hardware predecessor, Comp DIODE-609 is a stereo effect with linkable L and R channels for both the compressor and limiter sections. It can also be used in Mono and Mono>Stereo modes, ensuring that your stereo field is as narrow or wide as you want it.

Advanced sidechaining

An array of specially-engineered features makes Comp DIODE-609 the perfect sidechain tool. Internal or external input, sidechain listen, look ahead control, and even a built-in sidechain equalizer ensures pumping pads, vocal space, and responsive density in any mix.

Mid-side processing

M/S processing opens up a whole new dimension of control over your stereo field. Swap out left/right configuration for the ability to independently compress the middle and sides of your mix, so that every instrument, vocal, and rhythm sits just right.

Unit calibration

Want to crank up the color on your compressed signal? This newly-added control adjusts the calibration of the emulated diode-bridge circuitry, reducing the unit's headroom and ultimately introducing more harmonic character the higher you go.

Digital VU meter

If you need a more detailed view of Comp DIODE-609's magic, a single click on the old-school VU meters will unveil a modern digital display. This shows the original waveform alongside gain reduction and compression levels in real-time.

Authentic design

The realistic feel of using Comp DIODE-609 doesn't end with the sound; its workflow and aesthetic offer an immersive studio experience. Enjoy instant adjustments with the famed stepped controls, as well as immediate visual feedback with the gain reduction VU meters.

Preset library

When a session is challenging, a mix is proving stubborn, or a deadline is creeping up on you, sometimes you need that quick sonic solution. Comp DIODE-609 comes loaded with dozens of handy presets, from snare tightener to smashed backing vocals.

Continuous controls

Part of Comp DIODE-609's charm is its stepped control panel, letting you adjust your sound in bold chunks. But for those who prefer to mix between the lines, we added the option of continuous controls for tweaking the finer details. The choice is yours.

Sidechain supreme:

  • Stereo sidechaining just the way you want it - delicate to pumping, focused to ultra-wide.

Compressed in parallel:

  • Reinforce your drum bus by dailling in a degree of compressed signal to tie everything together.

Center stage guitar:

  • By subtly compressing the middle of the stereo field, this bluesy electric guitar stem becomes more focused while preserving its roomy ambience.

From protective mix gluing to maximizing drum bus punchiness, this unique diode-bridge effect stands out from the compressor crowd as a workhorse processor for any audio application - and Comp DIODE-609 brings it into the virtual production realm like never before.

A compressor icon

Some things are just built right the first time.

The Neve 33609 was originally designed in the '80s. Since then, it's seen a number of model variations, but the core design - and, crucially, the iconic sound - has remained the same. Truly a studio classic that has stood the test of time, and not just in its industry-wide usage; it remains in production by AMS Neve to this day.

But the 33609 didn't just stand the test of time - it set the bar. Michael Brauer, Paul Epworth, Josh Homme, Nile Rodgers - the list of genre-defining veteran producers who swear by its dynamic talents is never-ending.

So what's the secret? Derived from modules found in the almost-mythical Neve consoles from the '70s, the 33609 is a rack unit that offers 2 channels of compression and limiting. It's renowned for its simultaneous buttery response and transparency of signal, courtesy of its diode-bridge topology - offering a faster response, and more refined distortion.

This unique response was also the result of the use of first-class components. Some of Rupert Neve's own early consoles featured transformers from Marinair, a UK-based manufacturer of radar equipment. Decades later, these transformers were carried over into the production of the 33609 - ensuring that a part of Neve 's own sonic legacy lives on in these relatively modern units.

To capture this magic for Comp DIODE-609, we modeled one of the revered 33609 'C' versions, an earlier fully-discrete model. Faithfully emulated down to the behavior of individual components, and boldly expanded to cater to modern production needs, Comp DIODE-609 tells an extraordinary story of its own.

A plugin you can count on

Comp DIODE-609 is designed to make mixing, mastering, and creative sound design accessible and enjoyable for everyone - no technical knowledge required.

In-App Tutorials

Every plugin in FX Collection comes with built-in tutorials, guiding you step-by-step through the crucial parameters, adjustments, and mixing hacks to get the most out of your sound. The tutorial panel also explains the controls you're using in real-time - so you'll never miss a tweak.


Arturia Software Center lets you download, organize, and update all of your Arturia software titles in one place, as well as manage all of your licenses across multiple devices. Keep it simple.

DAW ready

However you use these plugins; for the amazing tone of their reverb, for the gritty preamps, or for their incredible sound design abilities, you'll be safe in the knowledge that they are fully compatible with your setup. These plugins work with all major DAWs, and on both Windows and MacOS.

Preset browser

FX Collection's streamlined preset browser lets you filter, organize, and save your favorite presets for instant recall. Search by instrument type, genre, production technique, and much more - so you can quickly find the tweak you need and save valuable creative time.

Resizable GUI

Whether you want the full visual immersion of our classic effects emulations, or to save precious screen real estate, the interfaces for all of your Arturia plugins can be resized to a scale that suits you.

Real-time control

Every parameter in every FX Collection plugin can be mapped to your favorite MIDI controller for instant, hands-on control of your mix. Sweep a filter, crank a preamp, or warp your modulation on the fly.

{See video at top of page}

Latest User Reviews

Average user rating of 5.00 from 2 reviews
Comp DIODE-609

Reviewed By sandrodc [all]
February 19th, 2022
Version reviewed: 1.0.2 on Mac

Iconic compression sound, particularly on drums. Easy to use, light on the CPU, great presets. Recommended!.

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Comp DIODE-609

Reviewed By DiBase [all]
August 12th, 2021
Version reviewed: 1 on Windows

The Comp 609 is a nice compressor remake of one that is/was used for radio broadcasting in Germany.

Nevertheless I do not see that it is inferior or better to the other ones from Arturia. Every single one is a masterpiece in it's current state.

Read Review

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