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76735
UnderTone Audio UnFairchild 670M II
A painstaking recreation of the classic sound of the legendary circuit
MFR# UnFairchild 670M II
Product Description
The UnderTone Audio UnFairchild - Recreating A Beloved Compressor
Under the banner of UnderTone Audio, famed producer and engineer Eric Valentine (Smash Mouth, Good Charlotte, Queens of the Stone Age, Slash) has released an incredible new compressor, the UnFairchild. As an avid fan of the original Fairchild 670, a tool he has utilized on countless records, Valentine was looking to create a more affordable take on the classic unit that would still deliver its trademark sound. In the UnFairchild, UnderTone and Valentine have created a replica compressor that stays true to the characteristics of the original while also expanding the unit to be more flexible in the modern studio.
Breathing Life Into A Classic Compressor
The Fairchild circuit could be one of the most coveted and time-tested compressors of all time. It has proven its extraordinary universal musicality for over 5 decades on countless genres of music. The beauty of its design is in its simplicity. The audio path, primarily consisting of only 2 transformers and 4 paralleled vari-mu tubes, can provide a gentle smoothing of levels or an explosive, energizing compression that will make any recording leap out of the speakers. The UnderToneAudio UnFairchild is a painstaking recreation of the classic sound of this circuit.
A Fairchild With Flexibility
There are a few limitations of the original Fairchild that UnderTone set out to address. First, they have made careful adjustments to the circuitry that greatly improve the lifespan and reliability of the tubes. Additionally, they have added a whole host of exciting new features that have never before been available on a Fairchild. The UnFairchild sports 6 original preset Time Constants and 4 variable Time Constants (attack and release), MS function, side chain processing, a true bypass, fine adjustment of left/right balance, user adjustable "DC Threshold", and "Feed-Back" vs. "Feed-Forward" functionality. With the UnFairchild, UnderTone made this extraordinary circuit flexible enough to handle pretty much every compression task on any style of music.
Product Specifications
| Condition | New |
|---|---|
| Unit Weight | 37.4 lb |
| Tube or Solid State | Tube |
| Channels | Dual-Channel |
| Chassis | 19-inch Rack-mount |
| Rack Spaces | 8U |
| Input Connectors | Analog XLR |
| Output Connectors | Analog XLR |
| Impedance | 2.5 kOhms (input); 200 Ohms (output) |
| Tube Complement | ECC83, ECC83-S, ECC99, 6386-LGP |
Product Reviews
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Make it sound better with the unfairchild!
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This is the finest compressor ever recreated!!!! Witch now makes it the finest compressor ever!!!!! Makes my mixes silky!!!
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One of the most favorite pieces of equipment I own. There is a sound that I can’t get from any other piece of gear.
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FFS it smokes.
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MOJO!!!
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I have many Manley, vintage Neve, Urei, Ua,Retro, etc etc.
This is my favorite compressor for mix buss or drums for rock music, hands down. -
Effortless compression when you want it. Just seems to make everything sound “better”. Considering what the UnFairchild does to audio, the cost of an original, and the service and support from VK and UnderTone Audio I feel the price for this is completely justified.
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Bought and use it.
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this thing is amazing!
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Related Blog Posts
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UnderTone Audio Releases The UnFairchild Compressor
02.23.2017Read MoreUnder the banner of UnderTone Audio, famed producer and engineer Eric Valentine (Queens of the Stone Age, Slash) has released an incredible new compressor, the UnFairchild. This painstaking replica of the Fairchild 660/670 has long been in the works and is finally available from Vintage King. We sold out of our first batch of UnFairchilds in April, but you can be in on the next shipment if you order yours today by clicking here. Continue reading → -
Comparing A Vintage Fairchild 670 To The UnderTone Audio UnFairch...
08.29.2017Read More
The Fairchild 660 and 670 vintage compressors are the most sought after and coveted compressors of all time. They have been the top choice for tracking and mix engineers for over five decades because of the signature glow and warmth they add to whatever source you run through them, even if no compression is actually happening. They have been the choice compressor for The Beatles, Pink Floyd, classic Motown records and many more. Loaded with 20 tubes, 14 transformers and miles of wiring, it’s no wonder that the Fairchild has a sound that has been unmatched… Until now.
UnderTone Audio is a pro audio company run by recording guru Eric Valentine. Valentine has been making records for over 25 years and worked with many of today’s top artists. He has used pretty much every piece of gear on the planet and knows how to create gear that caters to the modern tracking and mix engineer. Engineers such as Greg Wells swear by Valentine’s designs, as Wells traded in his vintage Neve console for one of UnderTone Audio’s custom recording consoles. Continue reading → -
20 Questions With Chris Tabron
02.01.2019Read MoreChris Tabron is a multi-platinum record producer, mixer, and engineer based in Brooklyn, New York. He has worked with everyone from pop legends like Beyoncé, Nicki Minaj, and Mary J. Blige to indie rock icons like the Strokes, the Voidz and Lower Dens.We recently had the pleasure of sitting down with Chris for our ongoing 20 Questions series. Read on to learn more about his hybrid mixing setup, impressive outboard collection, and why he brings his trusty tap-tempo metronome to every session. Continue reading → -
Buyer's Guide: Compressors/Limiters
05.23.2019Read MoreCompressors and limiters are some of the most important and versatile tools that any audio engineer can use. Virtually every modern recording uses compression somewhere in the chain of tracking, mixing, and mastering. This ubiquity makes them valuable but also creates confusion when considering the many choices in the marketplace. To help straighten that out, we’ll discuss the main types of compressors and the terminology that explains their usage.
The purpose of a compressor is to even out the audio signal in order to tame loud transients and bring up lower amplitude material. Compressors were born out of necessity to fill that very straightforward role, to protect radio transmitters from overly hot signals, and to keep recordings in a narrower dynamic range that was easier to reproduce on tape or record. Continue reading →
The 
Compressors and limiters are some of the most important and versatile tools that any audio engineer can use. Virtually every modern recording uses compression somewhere in the chain of tracking, mixing, and mastering. This ubiquity makes them valuable but also creates confusion when considering the many choices in the marketplace. To help straighten that out, we’ll discuss the main types of compressors and the terminology that explains their usage.
The purpose of a compressor is to even out the audio signal in order to tame loud transients and bring up lower amplitude material. Compressors were born out of necessity to fill that very straightforward role, to protect radio transmitters from overly hot signals, and to keep recordings in a narrower dynamic range that was easier to reproduce on tape or record. Please fill out the form below and a Vintage King Audio Consultant will contact you with a ship date for the UnderTone Audio UnFairchild 670M II.
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