ART Pro Audio Pro VLA II - Two Channel Vactrol-based Compressor - Manual (Page 3)

2
Pro VLA II

PROFESSIONAL TWO CHANNEL VACTROL
®
/TUBE LEVELING AMPLIFIER
IMPORTANT SAFETY INSTRUCTIONS – READ FIRST .......................................................................... 1
INTRODUCTION .................................................................................................................................... 3
INSTALLATION ..................................................................................................................................... 3
Unpacking .............................................................................................................................................................................................. 4
AC Power Hookup .................................................................................................................................................................................. 4
Analog Audio Connections ..................................................................................................................................................................... 4
FRONT PANEL CONTROLS and INDICATORS ...................................................................................... 5
Power ..................................................................................................................................................................................................... 5
Input Threshold Control .......................................................................................................................................................................... 5
Ratio Control .......................................................................................................................................................................................... 5
Output Level Control .............................................................................................................................................................................. 6
Attack Control ......................................................................................................................................................................................... 6
Release Control ...................................................................................................................................................................................... 7
Gain Reduction LED Meter ..................................................................................................................................................................... 7
Bypass Switch ........................................................................................................................................................................................ 7
VU Meter ................................................................................................................................................................................................ 7
VU Meter Source Switch ........................................................................................................................................................................ 7
LED Output Meter .................................................................................................................................................................................. 8
The Link Switch ...................................................................................................................................................................................... 8
REAR PANEL I/O ................................................................................................................................... 9
Balanced Inputs ...................................................................................................................................................................................... 9
Balanced Outputs ................................................................................................................................................................................. 10
I/O Level Switch ................................................................................................................................................................................... 10
APPLICATIONS ................................................................................................................................... 11
Compressor/ Limiter ............................................................................................................................................................................. 11
Stereo Mix and Mastering..................................................................................................................................................................... 11
Vocal and Instrument Leveling ............................................................................................................................................................. 11
WARRANTY INFORMATION ................................................................................................................ 12
SERVICE ............................................................................................................................................. 13
SPECIFICATIONS ................................................................................................................................ 14
LIST OF FIGURES
FIGURE 1 – Channel 1 Controls ............................................................................................................ 6
FIGURE 2 – LED Output Meter and Link Switch ................................................................................... 8
FIGURE 3 – Rear Panel ....................................................................................................................... 10