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ART Pro-VLA II

Item ID: ProVLA2

2-channel Leveling Amplifier/Compressor with Optical Compression, Tube Gain Stage, and Mastering-quality Audio Path

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From Our Research Team:

An Effective, Affordable Compressor/Leveling Amp from ART!

The ART Pro-VLA II is a tube driven Vactrol-based compressor/leveling amplifier designed for tracking, mixing, mastering, live sound, or broadcast situations. By using an opto-electronic design, (as opposed to a more typical VCA driven level detection circuit) the Pro-VLA II allows more compression to be added to an audio source with a more natural, musical sounding output and virtually transparent dynamic leveling. This VCA-less design coupled with a 12AT7 vacuum tube in the gain stage makes the Pro-VLA II an ideal dynamic control device!

ART Pro-VLA II Compressor/Leveling Amplifier at a Glance:
  • Great in the studio or live
  • Tube compression circuitry
  • Vactrol

Great in the studio or live
ART's Tube Compressor/Leveling Amplifier deliver analog leveling/compression designed to work seamlessly with any recording, sound-reinforcement, and electronic instrument application. It excels at making tracks sound rich and full for both live audio engineering and studio recording applications.

Tube compression circuitry
ART's tube compression circuitry is a hybrid design utilizing advanced analog and tube technology, and has exceptional signal integrity with extremely low noise.

Vactrol
This unit utilizes optical electronics (a device known as a Vactrol), coupled with a 12AT7 vacuum tube gain stage for superior musical performance. Unlike typical compressors which use VCAs to control level detection, ART tube compressors are very musical, expressive and natural-sounding.

ART Pro-VLA IICompressor/Leveling Amplifier Features:
  • Vactrol Opto-Compression Design (no VCA)
  • Mastering-Quality Audio Signal Path with Tube Gain Stage
  • Enhanced Link Mode - While in stereo link mode, channel 1 level control acts as a master output level and channel 2 becomes a balance control between them, - optimizing the Pro-VLA II for use as a mastering tool
  • Variable Threshold, Ratio & Output Controls
  • LED Backlit VU Input/Output Level Metering
  • LED Metering Indicates Both Average Level And Peak Hold
  • Accurate Ten Segment LED Gain Reduction Metering
  • +4dBu/-10dBV Mode Switch Optimizes Pro-VLA II For Interface With Professional OR Consumer Grade Components
  • Active Balanced XLR And 1/4-inch Inputs and Outputs
  • Toroidal Transformer Reduces Mechanical and Electrical Hum

The ART Pro-VLA II is an incredibly effective compressor/leveling amp that sounds fantastic!
Specification Detail
Number of Channels 2
Controls Input Threshold, Ratio, Attack, Release, Output
Threshold -30dB to 20 dB
Ratio 2:1 to 20:1
Frequency Response 10Hz-100kHz
Side Chain Insterts No
Inputs 2 x XLR, 2 x 1/4"
Outputs 2 x XLR, 2 x 1/4"
Sidechain I/O No Sidechain I/O
Rackmount Spaces 2U
Height 3/5"
Depth 9.2"
Width 19"
Weight 10.5 lbs.
Manufacturer Part Number PROVLAII

Pro-VLA II Image Gallery

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Reviews

based on 21 reviews

Fantastic!

by John Harill from Atlanta, GA USA
May 13, 2013
Music Background: Live sound engineer
I could not afford a sixteen hundred UREI compressor. I have used that one and loved it. So I ordered this one and hoped it would work out. Wow! It worked like a charm and I really need it with the pr... read more [+]oject I am working on. This man I am recording cannot be recorded without a compressor. close [-]

Better than I expected!!! Way better!!

by Willy Franklin from United States
December 5, 2012
Music Background: Pro Musician, Recording Hobbyist, Hardware Engineer
I had read where people were calling it "transparent" and wow!! The only thing I'd change is putting the +4/-10db button on the front instead of the back... Sounds GREAT with electric bass. Real nice... read more [+] tight slap sounds, super clean... and it's quiet!! I was worried about it having a lot of noise because of my experience with a different ART compressor. Nice and clean... Am thinking of getting another one... close [-]

A Remarkable Compressor

by Craig from Massillon, Ohio USA
August 15, 2012
Music Background: Internet Radio
A truly remarkable compressor for the price! I run an internet radio station and have tried other compressors, but this one truly does the job. I finally found the sound I was looking for. With thi... read more [+]s compressor, the levels are constant, and the sound is natural. I still find myself tweaking the attack and release occasionally, but you should be able to dial in the sound you want, without the squashing like on so many other compressors. Go for this one, you won't be disappointed. close [-]

As good as my Fatso!

by Bernardo Manzoli from Brazil
October 16, 2011
Music Background: Recording Engineer
I also own a UBK Fatso, a Avalon 737 and a DBX. This compressor is really, really good. With the stock tubes it sounds very good. But I changed for a pair of 12ax7 Mullard (12ax7 give you more gain an... read more [+]d let you reach the right amount of valve character, to warm any source). Even with no compression, the Pro VLA II will give you a wonderful roundness and the most natural compression that exist - tube (or tape) compression. Using 12ax7 tubes can polish very well the offending high frequencies of a digital recording. There is no input volume control, so it keeps the signal untouched before it hit the valves and compressor. Resuming - If you mix in the box, one Art Pro VLA II is enough. But if you, as me, mix OTB, buy one to test and then buy 1 or 2 more. One good trick - It gets its best results after 2 hours in use. Everyday I wake up, turn it on, check my email, go to break fast, etc..,before use it. While it will not give you an ultra fast attack as a SSL Master Bus or an 1176, the Pro VLA II has a respectable fast attack and, most of all, a natural sounding. One thing that I discovered only after 2 weeks of use - the attack and release knobs changes the ratio and vice-versa. So, if it is not exactly the sound you want, try very subtle tweaking the attack, release and ratio knobs. This compressor It is another kind of animal, a totally different way to achieve compression. If I only had Art Pro VLAs to mix, I would be capable of do a good job. close [-]

front end leveling for all

by ty from home of the bave
September 15, 2011
Music Background: enthousiastic novice
I was going to get a pair of la2a's, but then I noticed the Art unit having a pan pot, so I got it instead..(ha,ha!). Here's the truth- this sounds so good it hurts me to criticize it at all, but you... read more [+] don't want to use the stereo link switch for the best sound. And with the excellent meters(input,output,gain reduction), you'll have no challenge matching the two sides with ease, anyway.
Now my conscience is clear disclosing the only fault, here's the deal- I choose between my AEA, UA, and Focusrite pres for an input and use it like a TRS patch bay in front of my Burl B2 ADC. If it didn't sound good, it would not stay in my rig. It not only sounds good(for any price), my front end gain-staging is now rock solid. close [-]
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See Also: Limiters , ART , ART Compressors / Limiters , ART Compressors / Limiters

ART Pro-VLA II

Today's Payment: $109.66
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