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Vintage Leveling Amplifier

VLA-2A Frontplate
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Manual Download

VLA-2A Manual

Supported formats

AAX plugin support VST plugin supprt Audio Unit plugin support

Supported platforms (32/64 bit)



  • Intel Core CPU or Apple SIlicon M1/M2 Processor
  • 1GB of RAM
  • Mac OSX 10.9 or newer (M1/M2 supported)
  • VST, AU or AAX compatible host (64bit)
  • Display resolution of 1280x1024 pixels or more


  • SSE2 compatible processor (Intel Core CPU recommended)
  • 1GB of RAM
  • Windows 7 or newer
  • VST or AAX compatible host
  • Display resolution of 1280x1024 pixels or more


Black Rooster Audio is proud to present the VLA-2A - the world‘s finest emulation of THE opto electronic compressor of the late 1960s. After many hours of hard work, calculus and matching we finally bring you the VLA-2A plug-in. We have put all our knowledge, engineering skill and heart into designing the most authentic native emulation of this unit to this date. We love to use the VLA-2A on drums, but it also performs outstandingly well on bass or vocals and carefully adjusting the compression really helps to make your signals shine and just sit in the mix.


Authentic circuit emulation

Our real-time component based circuit simulation approach allows for authentically capturing the sound and feel of the analog unit as close as possible. All the crucial parts, including in- and output transformers, sidechain and audio path tube stages, filters and of course the T4A cell have been faithfully modeled and matched with an original '68 reference unit.

SSE2 optimized code

DSP operations are pipelined using the SSE2 instruction set. This ensures high-performance operation despite very complex computations.

Auto-adjusted oversampling for maximum audio transparency

Aliasing artifacts are efficiently attenuated using a low latency linear phase Dolph-Chebyshev polyphase design. The oversampling rate is auto-adjusted to your session's sample rate to save CPU while offering the most transparent sound possible.

HighDPI / Retina support

Our user interfaces support high pixel density on both Windows and Mac OS systems to present you with the most enjoyable user experience on high DPI displays. Please refer to your manual to learn whether your DAW is HighDPI capable if you're working on Windows.

Examples & Videos

Notes & additional info

LA-2A is a registered trademark of Universal Audio, Inc. Black Rooster Audio's products, specifically, the VLA-2A Vintage Leveling Amplifier, is developed by Black Rooster Audio, based on its own modeling techniques. Universal Audio, Inc. has neither endorsed nor sponsored Black Rooster Audio's products in any manner, nor licensed any intellectual property for use in this product.


Joe Barresi

Joe Barresi

Producer/Mixer/Engineer QOTSA, Tool, Slipknot, Bad Religion, Beatsteaks JoeBarresi.com

"These 2 compressor plugins (the VLA-2A and 3A) are really, really good—very smooth, and they react a lot like the original hardware versions. In fact, I like the limiter part better than most….A really nice addition to the arsenal of compressor plugins out there."

Igor Korzhov

Igor Korzhov

Mixer/Engineer nc-rec.com

"I've been using it in every mixing session since day one. While it's a very clean and transparent compressor perfectly suited for clean vocals, bass, acoustic guitars and mix busses, you can still hit it harder with the gain knob and get wonderful saturation for extreme vocals, creative drum buss processing or anything else you can think of! And what's even more important it keeps the low end tight and present. Thank you for this valuable tool."

Darrell Thorp

Darrell Thorp

Mixer/Engineer Paul McCartney, Foo Fighters, Radio Head www.darrellthorp.com

"Your VLA-2A and VLA-3A are amazing."