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!

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.

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

Specifications

• Type:Optical
• Number of Channels:2
• Controls:Input Threshold, Ratio, Attack, Release, Output
• Threshold:-30 dB to 20 dB
• Ratio:2:1 to 20:1
• Frequency Response:10Hz-100kHz
• Inputs:2 x XLR, 2 x 1/4″
• Outputs:2 x XLR, 2 x 1/4″
• Rack Spaces:2U
• Height:3.5″
• Depth:9.2″
• Width:19″
• Weight:10.5 lbs.
• Manufacturer Part Number:PROVLAII