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Customer Reviews 361 Reviews

4.84 out of 5 stars

by . (8/14/2016):

I had a client who loves the Beatles, and as soon as I slapped some Fairchild on the… Read more

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Fairchild Tube Limiter Plug-In Collection.
The Gold Standard in Vintage Tube Limiters — Captured for UAD and Apollo.

The Fairchild 670 and 660 are the most coveted vintage compressor/limiters in the world, with good reason. These 20-tube tone titans — which now fetch upwards of $50,000 — impart an unmistakable silky warmth heard on hundreds

of hit records from the Beatles and Pink Floyd, to Miles Davis and countless Motown classics. Now your vocal tracks, drum bus, and entire mix can benefit from the world’s most accurate plug-in recreations of these one-of-a-kind compressors.

Now You Can:

  • Give your tracks and mixes classic Fairchild tube warmth and character
  • Harness the Fairchild’s tube-driven gain control, compression curves, and tube amp and transformer sections
  • Duplicate the famed Ocean Way Studios' compression sound with circuit-modeled recreations of their golden reference units
  • Complete your “Big Three” compressor arsenal, alongside the LA-2A and 1176 plug-ins

The World’s Most Coveted Compressor

The very first Fairchild limiter that audio genius Rein Narma created on Les Paul’s kitchen table transformed the sound of recording forever. Soon, these 20-tube, 14-transformer, 67-pound behemoths were embraced by world-class studios, many of which still employ their vintage Fairchilds despite the increasing difficulty in maintaining these tube-driven tone machines.

For a half-century, the Fairchild 670 — and its aggressive little brother, the Fairchild 660 — have defined popular music’s most revered vocal and drum sounds. In fact, the world’s elite mixers often employ a 670 simply for the “glow” it brings to their final mixes, even without compression happening.

The Closest You Can Get to Vintage
Fairchilds in a Plug-In

In 2004, Universal Audio released the Fairchild 670 Legacy plug-in, which was quickly heralded as the best 670 emulation available. Today, UA’s team of DSP experts have improved the original Time Constants and gain reduction curves, while modeling — for the first time ever — the complete tube-powered amplifier and transformer sections of their hardware counterparts. Far beyond other Fairchild emulations, only the new UAD Fairchild Collection is based on an accurate circuit models of Ocean Way Studios' “golden-reference” units.

New Features — Classic Tones

Although the Fairchild Tube Limiter Plug-In Collection nails the classic sonics of yesteryear, it also sports useful new features for modern workflows.

Blend Sounds with the Wet/Dry Mix Control
A Parallel Mix control lets you blend your unprocessed signal with the compressed signal, opening worlds of textural possibilities on everything from a drum bus to a mix bus.
Enhance Drums with Sidechain Filters
By using the Fairchild’s Sidechain Filtering, you gain another level of control over your tracks. In this example, it’s used to punch up the drum bus to enhance its impact without triggering the threshold of the compressor with the kick drum.
Add Grit with the Headroom Control
The Headroom (HR) control can be increased to make mastering applications a breeze, raising the gain reduction threshold and lowering distortion. Conversely, you can decrease headroom, lowering the gain reduction threshold and raising distortion for grittier textures that work on everything from vocals and drums to guitar and bass.
The Ultimate Companion to the LA-2A and
1176 Plug-In Collections

Combined with the Electro-Optical (LA-2A) and FET-based (1176) compressor plug-ins, the Fairchild’s unique tube-driven sound completes the compression “Triple Crown.” Renowned for its aggressive power on piano, bass, and guitar, the 660 is a stereo/mono version of the original mono compressor, while the flagship 670 is a full stereo compressor that can inject vibe and color into tracks or add the final touch to mixes.



Fairchild Tube Limiter Plug-In Collection.
Basics and FAQ.
How different is the Fairchild Tube Limiter Collection from the original UAD Fairchild plug-in?

The Fairchild Tube Limiter Collection benefits from more than 10 years of UA’s evolving sophistication designing plug-ins, plus the additional processing power afforded by the UAD-2 over the original UAD-1. While our original Fairchild plug-in's compression behavior remains an excellent rendition of the hardware, the new Fairchild Tube Limiter Collection plug-ins benefit from improved complexity with the tube amplifier and gain reduction nonlinearities (distortions) and updated time constant behaviors. Hands down, these are the most musical and authentic Fairchild plug-in emulations ever created.

How are the Fairchild 670 and 660 different from each other, sonically?

Besides their obvious mono and stereo differences, the Fairchild 670 and 660 models offer variations in Threshold and DC Threshold behaviors, total gain, input attenuation range, distortion amount and structure, program dependence, time constant subtleties, and more. This provides an expanded palette within the Fairchild sound — just like a professional studio might have with various hardware units on hand. The 660 may be handy with mono sources, or when less control is required. Both plug-ins work as mono or stereo plug-ins.

Is the new 670 plug-in still based on the same hardware you modeled originally?

The target unit was indeed the same Ocean Way Recording Fairchild unit #505 we originally modeled in 2004. The unit’s gain reduction components were carefully re-tubed and re-capped with period accurate NOS components to get it as close as possible to its original from-the-factory behavior.

Why does the old 670 compress so much more than the new one at the same settings?

The Legacy 670 plug-in’s Input Gain parameter was tuned to have maximum control over Threshold by adding a lot of additional gain to the Input (around 15 dB more gain than the hardware). The new 670 remains faithful to the exact gain range and amplifier behaviors of the original hardware. The new 660 and 670 are calibrated to -16 dBFS. The Headroom (HR) control will allow the user the get similar compression amounts as the 670 Legacy version and beyond, and makes setting a higher ratio with DC Threshold much easier. Conversely, Headroom settings can be increased to make mastering applications a breeze. Counter clockwise Headroom selections increase headroom and therefore raise the gain reduction threshold and lower distortion behaviors. Clockwise selections decrease headroom, therefore lowering the gain reduction threshold and raising distortion behaviors.

Does the Fairchild Tube Limiter Collection replace the "old" Fairchild plug-in?

No, the original Fairchild 670 Legacy plug-in will be included in the UAD collection of plug-ins. The original Fairchild 670 plug-in remains useful, in that it consumes less DSP, and is less sonically “colored” — which may be desirable in some instances.

Can I still purchase the “old” Fairchild plug-in?

For UAD customers who do not already own the Fairchild 670 Legacy plug-in, they will get it as a third plug-in title with the purchase of the new Fairchild Tube Limiter Collection.




  • Rich Tozzoli

    (Pro Audio Review)

    “Overall, the [Fairchild] Collection is a great compliment to most any type of production track.”

User Ratings

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Average Rating (361 Reviews)
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    great on inserts and mix bus
    by . (Sunday 14 August, 2016)

    I had a client who loves the Beatles, and as soon as I slapped some Fairchild on the mix bus, things started sounding like the Beatles. I like to crank up the input gain to give it a little bit of sheen. I also used it in mid-side mode, where it controlled hard-panned doubled vocals. Read More

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    This is the one!!!
    by M. Spaans(Sunday 7 August, 2016)

    I wanted this one instandly, it's my 'to go' compressor. It glues and fattens up my mixes, i use it a lot! Read More

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    by J. Arrington(Sunday 7 August, 2016)

    Thank you UA for taking what was already a bad a** plug, and giving it a more modern set of features. The side chain just opens this beast up! Huge detailed sound. Read More

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    Fresh wind in your hair!
    by W. Krol(Monday 1 August, 2016)

    Another amazing tool whih gives to your mix essencial from fat warm sound to "Jimmy the Wind" - how you wish ;). Thanks UA for this babe :) Read More

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    • 5 Star
    Blissful.. A must-have if all you use is the Legacy currently.
    by M. Cawthra(Friday 29 July, 2016)

    See below really.. There are 5 stars all over the shop. Absolutely love these things, especially the 670. Amazing on anything, it seems to lift the signal as well as control it which is to to say it does what the hardware does. The 660 is a beauty too. I read somewhere that John Wood had one… Read More


Features & Specs
Fairchild Tube Limiter Plug-In Collection.
Key Features
  • Includes the mono 660 and stereo 670, each with their own sonic attributes and feature sets
  • Models entire electronic path, including tube amplifiers and transformers for complete analog color and behavior
  • Modeled after Ocean Way’s famous, meticulously maintained golden Fairchild channels
  • Lateral-Vertical mode for stereo imaging and balance control
  • Includes custom hardware Stereo Sidechain Link mod
  • Six attack and release Time Constants (plus additional Time Constant variations with Sidechain Link)
  • Includes all-new “digital only” features: Sidechain filtering, Dry/Wet parallel blend and Headroom
  • Includes artist presets from Darrell Thorp, Michael Brauer, Ryan West, and more
  • Requires a UAD-2 DSP Accelerator or Apollo Interface available from authorized dealers worldwide

See the UAD Instance Chart here


Fairchild 660
  • Input: ∞ to 0 dB in 2 dB steps
  • Threshold: Continuous, 0 to 10
  • Time Constant: Six position attack/release switch
  • DC Threshold: Continuous, 0 to 10
  • Balance: Continuous, -10 to 10
  • Meter: In / GR / Out
  • Output: Continuous, -20 to 20 dB
  • SC Filter: Continuous, Off/20-500 Hz; 12 dB per octave low cut internal sidechain filter
  • Mix: 0 to 100%; Continuous, blends affected signal with unprocessed signal
  • Headroom: 4 to 28 dB in 4 dB steps
  • Power: Off/On (All DSP processing is bypassed)
Fairchild 670
  • AGC Matrix: Switches compressor from standard Left/Right compression to Lat/Vert (Lateral/Vertical) compression
  • Left Input: -20 to 0 dB in 1 dB steps
  • Right Input: -20 to 0 dB in 1dB steps
  • Left-Lateral Threshold: Continuous, 0 to 10
  • Right-Vertical Threshold: Continuous, 0 to 10
  • Left-Lateral Time Constant: Six position attack/release switch
  • Right-Vertical Time Constant: Six position attack/release switch
  • Left-Lateral DC Threshold: Continuous, 0 to 10
  • Right-Vertical DC Threshold: Continuous, 0 to 10
  • Left-Lateral Balance: Continuous, -10 to 10
  • Right-Vertical Balance: Continuous, -10 to 10
  • Left-Lateral Meter: In / GR / Out
  • Right-Vertical Meter: In / GR / Out
  • SC Link: Unlinks/Links the L/R or L/V compressor sidechains
  • Control Link: Unlinks/Links all L/R or L/V parameters
  • Left Output: Continuous, -20 to 20
  • Right Output: Continuous, -20 to 20
  • Left-Lateral SC Filter: Continuous, Off/20-500 Hz; 12 dB per octave low cut internal sidechain filter
  • Right-Vertical SC Filter: Continuous, Off/20-500 Hz; 12 dB per octave low cut internal sidechain filter
  • Mix: 0 to 100%; Continuous, blends affected signal with unprocessed signal
  • Headroom: 4 to 28 dB in 4 dB steps
  • Power: Off/On All DSP processing is bypassed

Peter Mokran
(Mary J. Blige, The Flaming Lips)

Fairchild 660

  • Dub Steppy Snare
  • Kick Hump
  • Lead Vocal 1
  • Lead Vocal 2
  • Parallel Type Snr Squash
  • R&B Snare
  • Rap
  • Thumpy Bass

Fairchild 670

  • Acoustic Gtr Strum
  • BGV Bus
  • Drum Room Nuke
  • Drum Room Snr Compress Only
  • Fingerstyle Guitar
  • Jazzy Brush Drums
  • Overheads
  • R&B Lead Vocal
  • Slow Strings
  • Stereo Bus
  • Synth Bass
  • Synth De-Claw
  • Wider BGVs
  • Wider
Mike Poole
(Robert Plant, Martina McBride, Buddy Miller)

Fairchild 660

  • Because the Snare Needed It
  • Come See About This Here Kick Drum
  • Go for a Wurl on my Wurly
  • More Room for Percussion
  • Settle Down You BG Vocal
  • That's a Swell Cymbal
  • Tighten Up the Kick Drum
  • Tone Down Those BVOX
  • Vocal Compression

Fairchild 670

  • Get on the Drum Bus
  • Grab that Steel Guitar
  • Hey Don't Step on my Mandolin
  • I Need More Room for my Loud Drums
  • I Need More Room for my Quiet Drums
  • Mellow Out You Lead Vocal
  • Such a Swell Acoustic Guitar Roll
  • That's a Really Cool Guitar Arpeggio
  • Who Held Up the Mix Bus
Ryan Hewitt
(Red Hot Chili Peppers, The Avett Brothers)

Fairchild 660

  • Acoustic Balls
  • Chesty Vocal
  • Dense Mix Vocal
  • Finger Pick Guitar Spanker
  • Just Tone
  • Open Vocal
  • Stonesy Guitar
  • Woody Bass DI

Fairchild 670

  • Downtempo Mix Bus Goosh
  • Dreamy Drum Bus
  • Piano Bomb
  • Pretty Piano
  • Slow Drumbrush
  • Touchy MS Bus Comp
  • Uptempo Mix Bus Bump
Micheal Brauer
(Coldplay, John Mayer, The Rolling Stones)

Fairchild 660

  • Bass
  • Kick
  • Snare

Fairchild 670

  • Drum Room
  • Strings
  • Toms
Ryan West
(Jay-Z, Kid Cudi, Kanye West)

Fairchild 660

  • AC GTR Strum Color Start Here
  • Elec GTR Start Here
  • Lead Vocal Parallel
  • Smooth Bass Transients
  • Smooth Vocal Start Here
  • Snappy AC GTR Start Here
  • Vocal Crusher Start Here
  • Ye Ol Bass Pumper

Fairchild 670

  • Balls to the Walls Mix
  • BKGD Vocals Start Here
  • Drum Bus Start Here
  • Drum Parallel Start Here
  • Lightly Kissed Mix
  • Overhead Center Squeezer
  • Piano Squeezer Start Here
  • Sweet Strings Start Here
Darrell Thorp
(Beck, Radiohead, Charlotte Gainsbourg)

Fairchild 660

  • Bass Heavy
  • Bass Light
  • Drum Parallel Compress
  • Drum Room
  • Electric Guitar
  • Mono Oh Gain
  • Oh Hard Compression
  • Snare Gain
  • Snare Top
  • Vocal Heavy Compression
  • Vocal Light Compression

Fairchild 670

  • Acoustic Guitar
  • Bass
  • Drum Overhead Hard
  • Drum Parallel Compression
  • Grand Piano
  • Kick Drum Control
  • Snare Top
  • Vocal Heavy Compression
Steve Levine
(Culture Club, Beach Boys, Ziggy Marley)

Fairchild 660

  • Bass Amp Extra Drive
  • Bass Amp
  • Drum Room Ribbon Mic A
  • Drum Room Ribbon Mic B
  • Hi Tom Splat Sustain
  • Low Tom Splat Sustain
  • Male Lead Vocal Smoother
  • Male Lead Vocal
  • Slight Room Love
  • Smooth Acc Bass Even Attack
  • Snare Smasher 50-50
  • Snare Smasher
  • Splat Acc Bass No HR
  • Sweet Rhodes-Add Pultec for Shine
  • Synthy Bass Hold Sustain

Fairchild 670

  • Acc GTR-Use Mix to Taste-High HR
  • Acc GTR-Use Mix to Taste-Low HR
  • BV Mix Output Smoother A
  • BV Mix Output Smoother B
  • Crush Front Acc Piano
  • Drum Loop Kick Pusher High HR
  • Drum Loop Kick Pusher Low HR Crush
  • Gretch Dist Guitar
  • Overheads
  • R&B Ahh BGVox-Use Input for Drive
  • Sustain Acc Piano



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