Art Pro VLA User's Guide

Pro VLA II™ PROFESSIONAL TWO CHANNEL VACTROL®/TUBE LEVELING AMPLIFIER USER’S GUIDE

REAR PANEL I/O The Pro VLA II™ XLR connectors follow the AES standard of: Pin 1 = Ground, Pin 2 = Hot (+), Pin 3 = Cold (-). The balanced 1/4” p

FIGURE 3 – Rear Panel Balanced Outputs The analog output of the Pro VLA II™ is available on both a 1/4” TRS balanced jack and an XLR jack. This

APPLICATIONS Compressor/ Limiter The main application of the Pro VLA II™ is to control the dynamic range of an audio signal. Plug a line level (p

WARRANTY INFORMATION Limited Warranty: Applied Research and Technology will provide warranty and service for this unit in accordance with the follow

SERVICE The following information is provided in the unlikely event that your unit requires service. 1) Be sure that the unit is the cause of the pr

SPECIFICATIONS Input Impedance Balanced/Unbalanced ...10K Ohms Maximum Levels Range Sw

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IMPORTANT SAFETY INSTRUCTIONS – READ FIRST This symbol, wherever it appears, This symbol, wherever it appears, alerts alerts you to the presence

Pro VLA II PROFESSIONAL TWO CHANNEL VACTROL®/TUBE LEVELING AMPLIFIER IMPORTANT SAFETY INSTRUCTIONS – READ FIRST ...

INTRODUCTION Thank you for purchasing Applied Research and Technology’s Pro VLA II. Offering a superb level of sound quality, the Pro VLA II has a

Unpacking Your Pro VLA II was packed with care at the factory. The shipping carton was designed to protect it during initial shipment. Please ret

FRONT PANEL CONTROLS and INDICATORS Power The POWER switch turns the power on and off to the unit. The Pro VLA II should be turned “on” with all m

FIGURE 1 – Channel 1 Controls Output Level Control The OUTPUT LEVEL control serves two functions. The CH1 knob always controls the output level of

Release Control The RELEASE control sets the time the Compressor/Limiter takes to increase the gain after the input level drops. Longer settings ma

FIGURE 2 – LED Output Meter and Link Switch LED Output Meter This meter displays both average and peak levels of the output signal. The LED label