📅 May 2026
🎛️ Fairchild 666 Tube Compressor
🍎 Platform: macOS
🎵 VST · AU · AAX
⭐ 5.0 / 13 Reviews
💵 $49.99
⭐ 5.0 / 5 — Perfect Score — 13 Reviews
Kazrog MHB Red is a virtual analog compressor and saturator plugin developed by Kazrog in close collaboration with 7x Grammy Award-winning mixer Michael H. Brauer — modeled on his personal Fairchild 666 compressor that has been a key part of his vocal chain for decades. Unlike the famous Fairchild 660 and 670 delta-mu designs, the 666 was Fairchild’s hybrid opto-compressor — combining tube amplification with solid-state control circuitry for a uniquely musical compression character that is part compressor, part saturation box. Available as a plugin for the very first time, MHB Red features modernized Attack, Ratio, Threshold, Release, and Makeup Gain controls, a dedicated THD control for dialing in subtle tube warmth to aggressive saturation, sidechain HPF/LPF filters, stereo link, wet/dry blend, and Kazrog’s Analog Entropy for authentic component-level variation. Rated a perfect 5.0/5 from 13 reviews — no iLok, no dongle, no subscription, ever.
💡 Quick Summary
Kazrog MHB Red macOS — Developed with Michael H. Brauer. Modeled on his personal Fairchild 666 hybrid opto-compressor. THD control (subtle warmth to aggressive saturation), sidechain HPF/LPF, stereo link, wet/dry blend, Analog Entropy. Attack, Ratio, Threshold, Release, Makeup Gain — all modernized for intuitive workflow. VST/AU/AAX — macOS 10.13+ — Universal Binary 2 — $49.99 — perpetual license — no iLok — no subscription — 5.0/5 perfect score.
The Fairchild 666 — Why It’s Different
🔴 Fairchild 666 — Hybrid Opto-Compressor
Most engineers know the Fairchild 660 (mono) and 670 (stereo) — both legendary delta-mu all-tube designs. The 666 was a completely different beast — Fairchild’s hybrid design combining tube amplification with solid-state control circuitry, creating an opto-compression behavior unlike either of its siblings. Where the 660 and 670 are known for their silky all-tube glue and weight, the 666 has a uniquely musical character — responsive in a way that other Fairchild designs simply aren’t — part compressor, part saturation box, instantly adding elusive character to vocals and other tracks like nothing else in Michael Brauer’s arsenal.
Heard On Records By
🎵 Coldplay
🎵 John Mayer
🎵 Florence and the Machine
🎵 James Bay
🎵 + Countless More
Key Features
🔴
Fairchild 666 Emulation
Michael Brauer’s personal Fairchild 666 hybrid opto-compressor — part compressor, part saturation box — first-ever plugin version on Mac.
🌡️
THD Control
Dedicated Total Harmonic Distortion knob — dial in everything from subtle tube warmth to aggressive saturated character on macOS.
🎚️
Sidechain HPF / LPF
High-pass and low-pass sidechain filters — control exactly which frequencies trigger the 666’s unique opto-compression on Mac.
🔗
Stereo Link
Link left and right channels for cohesive stereo bus compression — or unlink for independent channel control on macOS.
🎛️
Wet / Dry Blend
Parallel compression and saturation built in — blend the 666 character with your dry signal instantly for New York-style processing on Mac.
🌡️
Analog Entropy
Authentic component-level variation between channels — mimics real hardware tolerance drift for true stereo analog character on macOS.
🎯
Modernized Controls
Attack, Ratio, Threshold, Release, and Makeup Gain updated for intuitive modern workflow — vintage soul with contemporary usability on Mac.
🍎
Universal Binary 2
Native Apple Silicon and Intel Mac support — no Rosetta needed. Ultra-low CPU impact across all modern Macs.
What the Pros Are Saying
“The 666 has a very different feel from other Fairchild designs. It responds in a way that’s uniquely musical, and brings elusive character to vocals and other tracks like nothing else. MHB Red captures that behavior in a way I can easily integrate into my mix templates, as its own unique color in the sonic palette.”
— Michael H. Brauer, 7x Grammy Award Winner
Coldplay · John Mayer · Florence and the Machine · James Bay
“I’m sort of obsessed with the MHB Red, it is so musical pushing it or not. I’d take this over a 670 or 660 any day.”
— Brandon Bell, Mix Engineer
Brandi Carlile · Billy Strings · Allison Russell
User Ratings — 5.0 / 5 — Perfect Score
5.0
★★★★★
13 reviews — 100% five stars
System Requirements — macOS
| Requirement |
Details |
| Operating System |
macOS 10.13 High Sierra or later |
| Processor |
Apple M1 or Intel i5 “Ivy Bridge” or newer (Universal Binary 2) |
| Plugin Formats |
VST, AU, AAX (64-bit) |
| Pro Tools |
Pro Tools 12 or higher for AAX |
| Price |
$49.99 USD — perpetual license |
| Hardware Modeled |
Michael Brauer’s personal Fairchild 666 hybrid opto-compressor |
| Last Updated |
March 24, 2026 |
| Activation |
No iLok — no dongle — no subscription — ever |
| Devices |
Multiple devices per license |
| Developer |
Kazrog x Michael H. Brauer |
| Trial |
Free time-unlimited demo available (minor restrictions) |
| Compatible DAWs |
Logic Pro, Ableton Live, Pro Tools 12+, Cubase, Studio One, Reaper, GarageBand and all AU/VST/AAX hosts |
Pros & Cons
✅ Pros
- ✓Developed directly with Michael H. Brauer
- ✓Fairchild 666 — unique hybrid opto design, first-ever plugin
- ✓THD control — subtle warmth to aggressive saturation
- ✓Sidechain HPF/LPF for freq-dependent compression
- ✓Stereo link + wet/dry blend built in
- ✓Analog entropy — real hardware component variation
- ✓⭐ Perfect 5.0/5 score — 100% five-star reviews
- ✓No iLok, no dongle, no subscription — ever
- ✓Universal Binary 2 — Apple Silicon + Intel native
⚠️ Cons
- ✗Newer release — smaller preset library than MHB Green
- ✗Pro Tools 12+ required for AAX on Mac
- ✗Demo has occasional silent output restriction
Frequently Asked Questions
What is Kazrog MHB Red for macOS? ▾
MHB Red is a virtual analog compressor and saturator plugin for macOS — developed by Kazrog in close collaboration with 7x Grammy Award-winning mixer Michael H. Brauer, based on his personal Fairchild 666 hybrid opto-compressor. Available as VST, AU, and AAX (64-bit) with Universal Binary 2 for native Apple Silicon and Intel Macs running macOS 10.13 or later. Features include a dedicated THD control for dialing in tube warmth to aggressive saturation, sidechain HPF/LPF filters, stereo link, wet/dry blend, Analog Entropy, and modernized Attack, Ratio, Threshold, Release, and Makeup Gain controls. Priced at $49.99 with a 100% perpetual license — no iLok, no dongle, no subscription, ever. Rated a perfect 5.0/5 from 13 reviews with 100% five-star ratings.
What makes the Fairchild 666 different from the 660 and 670? ▾
The Fairchild 660 and 670 are legendary all-tube delta-mu compressors famous for their silky, weighty glue — the 660 in mono, the 670 in stereo. The Fairchild 666 was a completely different design — a hybrid opto-compressor combining tube amplification with solid-state control circuitry. This unique combination gives the 666 a distinctly musical compression character that is part compressor and part saturation box — more responsive and more characterful than either of its siblings. As Brandon Bell put it: “I’d take this over a 670 or 660 any day.” The 666 has become one of Michael Brauer’s most-used vocal chain compressors for decades for exactly this reason.
What is the THD control in MHB Red? ▾
The THD (Total Harmonic Distortion) control in MHB Red gives you a continuously variable dial for the amount of tube saturation character contributed by the Fairchild 666 circuit on macOS. At lower settings it adds subtle tube warmth and harmonic richness without obvious coloring — perfect for mix bus, master bus, and transparent vocal processing. As you increase the THD control the saturation becomes progressively more aggressive and forward, adding rich tube character, grit, and body — making MHB Red equally useful as a coloring saturator and as a dynamic compressor across any source.
Download Kazrog MHB Red macOS full version — Michael Brauer’s personal Fairchild 666 hybrid opto-compressor plugin with THD control, sidechain filters, perfect 5.0/5 score, no iLok, no subscription!
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