Art Pro VLA User Manual

Art Pro VLA User Manual

Professional two channel vactrol/tube leveling amplifier
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PRO VLA
PROFESSIONAL TWO CHANNEL VACTROL/TUBE
LEVELING AMPLIFIER
U U S S E E R R ' ' S S G G U U I I D D E E

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Summary of Contents for Art Pro VLA

  • Page 1 PRO VLA PROFESSIONAL TWO CHANNEL VACTROL/TUBE LEVELING AMPLIFIER U U S S E E R R ’ ’ S S G G U U I I D D E E...
  • Page 2: Table Of Contents

    VU Meter Input/Output Switch Attack Time Switch Release Time Switch Bypass Switch Stereo Link/Dual Mode Switch Gain Reduction Meter VU Level Meter Rear Panel Connections Input Output Applications Tube Replacement Warranty Information Service Information PRO VLA Specifications On-line Information 212-5004-101...
  • Page 3: Introduction

    - Extremely low noise (-99dBm ‘A’ weighted) - Internal power supply - 5-year parts and labor warranty - Designed and manufactured in the USA The PRO VLA is member of A R T’s Reference Series of profes- sional signal processing products.
  • Page 4: Audio Connections

    A R T’s PRO VLA circuitry is a hybrid design utilizing the latest and most advanced solid state and tube technology. Using a transformerless design throughout, the PRO VLA maintains exceptional signal integrity and extremely low noise.
  • Page 5: Threshold Control

    12dB over the threshold, the output level would rise by only 3dB. Generally compression ratios of 10:1 and greater are consid- ered limiting. The range of the Ratio control is 2:1 to 10:1. The PRO VLA may be used as either a compressor or limiter.
  • Page 6: Vu Meter Input/Output Switch

    B B y y p p a a s s s s S S w w i i t t c c h h A Bypass switch is included on each channel of the PRO VLA to enable you to remove the unit from your signal chain. When set to its “in”...
  • Page 7: Gain Reduction Meter

    Microphones must be run into a microphone preamplifi- er (like A R T’s PRO MPA) before being run into the PRO VLA. Use the XLR input for use with equipment that provides an XLR output.
  • Page 8 T T u u b b e e R R e e p p l l a a c c e e m m e e n n t t The two 12AX7A tubes in your PRO VLA have been specially selected and sorted to specific operating tolerances.
  • Page 9 A A R R T T P P R R O O V V L L A A S S P P E E C C I I F F I I C C A A T T I I O O N N S S Dimensions 19”W X 6.5”D X 3.5"H Shipping Weight...

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