Distressor Vst Plugin

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Distressor Plugin Vst

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The human voice is one of the most dynamic musical instruments, and therefore presents unique challenges when recording and mixing. Here are the plugin compressors that I find myself using most frequently when I mix vocals.

1. The 1176/LA2A Combo

The FG-Stress is a digital replication of one of the industry’s most highly coveted analog compressors, the Empirical Labs Distressor. Every aspect of the Distressor has been modeled, which is no simple task due to the Distressor’s unique topology where every ratio is essentially a different compressor! Softube and Empirical Labs have teamed up for a series of plug-ins based on ELI’s iconic hardware. The Mike-E Comp is a preamp, saturator and compressor built around the Empirical Labs Distressor circuit. Lil FrEQ recreates the equally renowned EQ and de-esser. And to round things out, they’ve made a channel strip for Console 1, as well. For years everybody has been looking for high quality emulations of the classic EL8 Distressor by Empirical Labs and there have always been very few decent o.

Plugin emulations of these two classic compressors are a dime a dozen. While I have my own preferences, most on the market are pretty great and are mostly faithful to their hardware counterparts, and at a fraction of the cost. Individually, they’re wonderful tools for mixing vocals, but when used in series (and in a specific way) they’re on a whole new level (pun intended).

Mix Tip:

Start with the 1176, and set it so that only the loudest passages of the vocal performance are being compressed. A medium-to-fast attack/release should do the trick, and tweak the input/ratio so you see the desired amount of Gain Reduction. Next, insert an instance of the LA2A after the 1176, and set the Peak Reduction knob so that you’re getting a couple of dB of compression at any given moment.

The idea is that the faster or “grabbier” 1176 handles and tames the loudest peaks so that the LA2A is never pushed too hard and can focus on general, consistent compression duties. The resulting sound is smooth, warm and natural. If you’ve never done this — try it now. If you’re more of a visual learner, below is a video of the technique being applied.

Compression Basics: 1176 into LA-2A on Vocals + CL1-B on Keyboards

2. FabFilter Pro-C 2

FabFilter has a different approach than most plugin companies. While most are creating tools that faithfully mimic the sonics and controls of tried-and-true hardware units, FabFilter has always been more interested in developing state-of-the-art plugins, complete with highly scientific visual interfaces and endlessly tweakable parameters.

For surgical work, which I find myself doing often when mixing vocals, they’re indispensable tools. If you’re interested in learning what compression actually does, the Pro-C 2 is a fantastic learning tool. The eight distinct compression “styles” built into the Pro- C 2 (including one especially for vocals) really place it head-and-shoulders above the competition when it comes to versatility.

Mix Tip:

In Pro Tools, I route all of my audio tracks through one of several sub-aux tracks. Generally, these auxes consist of Drums, other instruments, vocals and effects. I insert the Pro- C 2 on the instrument buss and using the vocal signal to trigger sidechain compression, subtly duck everything around the vocals. I’m not talking intense, EDM-style pumping, I’m talking one to two dB of gain reduction at most. This technique helps establish a defined space for the vocals, as instruments like guitars and synthesizers sometimes occupy the same frequency range as singers. I also use the kick and snare to trigger compression if they need to be a bit more prominent.

Introduction to FabFilter Pro-C 2 compressor

3. UAD Distressor

The Distressor is one of the most flexible hardware compressors, offering a lot of dynamic and tonal control over whatever you run through it. It’s one of those units that can be used transparently, but has a very distinct sound when it’s pushed.

I commonly apply well over 10 dB of Gain Reduction on vocals with this thing, and it still sounds awesome. Very few compressors can handle this kind of abuse while still sounding natural. The UAD version meticulously emulates all of the features of this wonderful unit, and in addition, incorporates the all-important Dry/Wet blend knob.

UAD Empirical Labs EL8 Distressor on Drums, Bass, Vocals & More

Mix Tip:

Use the “band emphasis function” of the detector for taming harshness. What this does is make the unit more sensitive to nasty, mid-range frequencies. For singers that have a build-up in the mids, this feature really takes the edge off.

4. Softube/UAD Tube-Tech CL 1B

Another sought-after hardware unit that has been faithfully reproduced, available as a Softube Native plugin, and also for those of us that have UAD Hardware. When I want to achieve a smooth, warm sound, quickly, I reach for the CL 1B. If I’m in a pinch and don’t feel like going through the 1176/LA-2A gain-staging process, this is my go-to.

Mix Tip:

The Softube Native version has a sidechain option, so I use it similarly to the FabFilter Pro-C 2 method mentioned earlier. The CL 1B is not as precise — but is a great option when you’d like to add a bit of color to your signal.

UAD Tube-Tech CL 1B Compressor Plug-In by Softube Trailer

5. Waves V-Comp

Modeled after a vintage Neve 2254 Unit, but updated with some more modern features, I find myself using the V-Comp for pretty particular applications. It doesn’t work on every singer, but when it does work, it’s a special sound. It’s not as precise and variable timing-wise as the other compressors here, but sometimes it’s just what a vocal needs. The De-esser makes it even more vocal-friendly.

Mix Tip:

The V-Comp is great for achieving an upfront sound. If you want your vocal to pop and sit closer to the listener than other elements, the V-Comp is my go-to. That said, it takes some tweaking to achieve what you want, but when you hit the sweet-spot with the V-Comp, you’ll know.

Eddie Kramer on Modeled Plugins and Waves V-Series

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Seasoned audio engineers all speak a secret language. It’s littered with seemingly random letters and numbers, like some kind of Cold War spy code. Phrases like “punch”, “bite” and “attack” are used to describe inanimate objects. They talk about “gluing”, “crushing” and “smashing” instruments.

At first, it seems shrouded in mystery. But just like any other language, as you spend time with the locals you slowly start to pick it up. Apparently, this whole time they were talking about compressors.

Most of the compressors we use today are based on analog hardware units. *But why? What’s so special about the same four basic designs?

*Author’s Note: Most, but not all. There are plenty of modern compressor plugins with unique sounds. FabFilter, Klanghelm, Kush Audio and Tokyo Dawn Records all have popular designs.

Urei 1176

The 1176 is arguably the most well-known compressor in the world. Released by Urei in 1967, it was the first “peak limiter” to use solid-state technology, instead of tubes. The 1176 uses a field-effect transistor (FET) to apply compression, which gives it a distinct “brightness, presence, and energy.”

The 1176 went through several revisions. Rev A was the original silver model with a blue stripe. Rev C was released in 1970, featured a black faceplate and increased noise reduction. Some engineers feel the Rev C models have a slower response time and increased bass response.

The controls on the 1176 are a bit quirky:

There’s no threshold control. Instead, compression is controlled by increasing or decreasing the input knob.
There’s no ratio knob. Instead there are four fixed ratio buttons: 4:1, 8:1, 12:1 and 20:1.
The attack and release times are “backwards”. The slower times are to the left and the faster times are to the right.

The attack time on the 1176 is hyper-fast; 20 to 800 microseconds. It also features a variable release time. After a transient, it “releases quickly (50 mS to 1.1sec) to avoid level drops. But, if there is a continued state of heavy compression, it will exhibit a longer release to reduce pumping.”

The 1176 sounds great on many different instruments; particularly drum room mics, bass guitars and vocals. For a classic vocal sound, the Dr. Pepper setting…

Back in the 60’s, Dr. Pepper ran this ridiculous commercial suggesting that you drink a bottle at 10 am, 2 pm and 4 pm for a sugar boost. Engineers adopted the mantra when setting their 1176’s: attack knob at 10 o’clock, release at 2 o’clock and the ratio at 4:1.

Yeah, I know it makes no sense.

If you’re looking for a more aggressive sound, try the “British Mode” setting. Instead of pushing one of the ratio buttons, PUSH ALL THE BUTTONS! This increases the amount of compression and distortion applied to the signal. It’s great for crushing tracks in parallel or adding grit to help something cut through the mix.

The 1176 has more plugin emulations than any other compressor — over 20! Rev A, Rev C, vintage, modern and totally unique versions of the 1176 have been modeled by Antelope Audio, McDSP, PSP Audio, Slate Digital, Softtube, Universal Audio and Waves to name a few.

5 Minute UAD Tips: 1176 Classic Limiter Plug-In Collection

Teletronix LA-2A / 3A

The 1176 and the LA-2A are like yin and yang. Think of the 1176 as chocolate and the LA-2A as peanut butter — smooth and creamy. They’re known to “warm things up and EQ all the warmth and low mids and bass.”

The LA-2A is a Leveling Amplifier and an optical tube compressor. It uses a tube to apply compression, and an optical photocell to detect the incoming signal. The louder the signal, the brighter the light and the more compression is applied.

That’s why the LA-2A has such a simple design. Only two knobs — make-up gain and peak reduction (threshold). It also has a fixed attack time of 10ms, and fixed ratios of 4:1 in compression mode or 10:1 in limit mode.

The release time is fixed as well, but it’s more complicated. Depending on the previous program material, the release time is about 60 ms for 50% of the release, and 0.5 to 5 seconds for full release.

The first LA-2A units were produced by Teletronix in the early 60s. In 1969, they released the LA-3A — a solid-state version of the LA-2A. For the most part, the LA-3A was a pretty faithful recreation, although it has a faster attack time with larger transients.

Popular versions of the LA-2A and LA-3A have been modeled by McDSP, PSP Audio, Universal Audio and Waves.

Tube-Tech CL 1B

The LA-2A is a legendary compressor, but it doesn’t offer a lot of flexibility. It’s a bit of a “one-trick pony.” So, in 1987 Tube-Tech had a new take on the optical compression method.

The CL 1B is essentially an LA-2A with variable knobs:

Threshold
Ratio (2:1 to 10:1)
Attack (0.5 to 300 ms)
Release (.05 to 10 sec)

A unique feature of the CL 1B are the attack and release times. Not just the variable knobs but the fixed/manual switch, which offers three different settings:

Fixed: Attack 1 ms, Release 50 ms
Manual: Attack from 0.5 ms to 300 ms, Release from 0.05 sec to 10 sec
Fix/man: Attack 1 ms, Release from 0.05 sec to 10 sec

The CL 1B sounds particularly great on vocals. Some engineers choose to combine the 1176 and LA-2A sounds, while others just use a CL 1B. It’s described as “warm, smooth and transparent.”

Popular versions of the CL 1B have been modeled by McDSP, PSP Audio, Softube, Universal Audio and Waves.

UAD Tube-Tech CL 1B Compressor Plug-In by Softube Trailer

Fairchild 660/670

Fairchild compressors are the heaviest, oldest and most expensive analog compressors on the market. Released in the late 50s, these tube compressors came in two forms — the 660 mono version and the 670 stereo version.

Fairchild compressors use variable-mu compression techniques, which means the ratio “changes dynamically in response to the signal level. The result is a unique form of soft-knee compression which responds differently depending on the type of signal which is fed into it.”

Fairchilds may look intimidating, but the controls are essentially the same as on any other compressor. There’s no ratio control, so dial in the amount of compression using the input and threshold controls. The ratio actually increases exponentially with the amount of compression applied. “Gain reduction starts between 1:1 and 2:1 for smaller peaks and gradually increases to a ratio of up to 20:1 on loud input signals.

The “time constraint” knob controls the attack and release times simultaneously. Here are the attack and release times for each position:

1: 0.2 ms, 0.3 sec
2: 0.2 ms, 0.8 sec
3: 0.4 ms, 2 sec
4: 0.8 ms, 5 sec
5: 0.4 ms, 2 sec (peaks), 10 sec (multiple peaks)
6: 0.2 ms, 0.3 sec (peaks), 10 sec (multiple peaks), 25 (programme material)

Perhaps the most unique feature of the 670 compressor is the Left/Right – Lat/Vert switch. In addition to operating in stereo, the 670 can also operate as a mid/side compressor, with different settings for each.

Fairchild compressors are known for the transparent, natural peak limiting and are sometimes described as pristine. However, they’re also a bit of a “one-trick pony”. Even with 5 different time constraint settings, they all basically boil down to slow attack/long release. These settings can be great for vocals, bass and even the mix bus, depending on the genre.

Popular versions of the 660/670 have been modeled by Antelope Audio, McDSP, Slate Digital, Universal Audio and Waves.

5-Minute UAD Tips: Fairchild Tube Limiter Collection

Manley Vari-Mu

In 1991 Manley Labs released their version of a variable-mu compressor. Designed to rival the legendary Fairchild design, the Vari-Mu is known for it’s “remarkably transparent sheen and silk” and often described as “thick, warm, almost syrupy sounding.”

Controls include input and output gain, as well as a Left/Right – Mid/Side switch just like the Fairchild unit.

The Vari-Mu also features a comp/limit switch. When in Compress mode, the unit uses a soft-knee with a 1.5:1 ratio. When in Limit mode, the unit uses a hard-knee and a 4:1 ratio. As compression amounts increase over 12dB, the ratio is increased to up to 20:1.

Unlike the Fairchild, the Manley Vari-Mu features independent attack and release knobs. The attack times are variable (ranging from 25 ms – 70 ms) and there are 5 selectable release times:

0.2 sec
0.4 sec
0.6 sec
4 sec
8 sec

Popular versions of the Vari-Mu have been modeled by Native Instruments, McDSP, Universal Audio and Waves.

DBX 160A

In 1971, DBX released the 160A, a VCA compressor with “a rough, warm and grainy punch.” The DBX 160 is great for adding presence and intelligibility to things like kick, snare, bass and vocals.

Controls include standard threshold, make up gain and ratio (1:1 – 1:∞) knobs. The attack and release times, however, are fixed:

Attack Time: Program-Dependent; typically 15ms for 10dB, 5ms for 20dB, 3ms for 30dB
Release Time: Program-Dependent; Typically 8ms for 1dB, 80ms for 10dB, 400ms for 50dB; 125dB/sec rate

The 160A uses a hard knee for added punch and clarity, but later units included an “overeasy” button for less aggressive compression.

Popular versions of the DBX 160A have been modeled by Native Instruments, Slate Digital, Universal Audio and Waves.

Introducing the Waves dbx® 160 Compressor Plugin

Empirical Labs Distressor

In 1995, Empirical Labs set out to design a “Swiss Army Compressor” that could emulate the 1176, LA-2A, Fairchild 670 and DBX 160A.

The controls are simple: input, attack time, release time, output. Increase the input the apply gain reduction. There’s also a ratio button, that toggles between the eight unique compression curves of the Distressor. “Each curve has its own personality and release shape.” Depending on the selected ratio, the time constants vary:

Attack range 50uS – 50mS
Release range .05 sec to 3.5 seconds, normal modes (up to 20 seconds in 10:1 opto mode)

Finally, the best part is the programmable analog distortion:

“Dist 2 mode produces “Class A” type warmth, producing mostly 2nd harmonic when compressing (tube distortion is known for its 2nd harmonic).