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Manual de usuario LA Audio Electronic, modelo EQ231G-SP

Fabricar: LA Audio Electronic
Tamaño del archivo: 147.97 kb
Nombre del archivo: eq231gspusermanual.pdf
Idioma del manual:en
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Resumen del manual


The information in this document is subject to change without notice. Audient plc makes no warranty of any kind with respect to the material in this document and shall not be liable for errors contained herein or for incidental or consequential damages related to the use of the material. No part of this document may be reproduced without the prior written consent of Audient plc. © LA Audio 2004 User Manual Thank you Thank you for buying this product. As can be found throughout the LA Audio range, your EQ231G-SP has been designed and manufactured to the highest possible standards of performance and reliability. To make the most of your unit, we suggest that you take some time to acquaint yourself with the contents of this manual before you get started. The safety and installation information will help you set up your EQ231G-SP with the minimum of effort, while the operational guide describes the unit.s controls and functions. The applications section gives useful hints on how to get the most out of your unit in numerous situations, along with a couple of special effects with which you can experiment. © LA Audio 2004 User Manual Contents Contents IMPORTANT SAFETY INSTRUCTIONS 5 Safety Information 6 1. Introduction 7 2. Installation 8 3. Operating Instructions 11 4. Applications & Techniques 13 5. Block Diagram & Specifications 17 6. Repairs and Warranty 19 © LA Audio 2004 User Manual IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS CAUTION ATTENTION RISK OF ELECTRIC SHOCK DO NOT OPENDO NOT OPENDO NOT OPENDO NOT OPEN WARNING PLEASE READ ALL OF THE FOLLOWING INSTRUCTIONS AND SAVE THEM FOR LATER REFERENCE BEFORE ATTEMPTING TO CONNECT YOUR UNIT TO THE AC POWER SOURCE. © LA Audio 2004 User Manual Safety Information Safety Information EARTH This unit is connected via its power cord to the mains safety earth. NEVER OPERATE THE UNIT WITH THIS EARTH CONNECTION REMOVED. COVERS DO NOT remove the covers. Refer servicing to qualified personnel only. VOLTAGE The EQ231G-SP is set to operate only at the voltage shown on the outer packaging. CHECK that the correct voltage is available before connecting the AC mains supply. FUSES CHECK that the fuse fitted is of the correct type for the local mains voltage. ALWAYS replace fuse with the correct type. MOISTURE DO NOT expose the unit to rain or moisture. If your EQ231G-SP should become so exposed REMOVE the mains power immediately. HEAT ALWAYS site the unit away from sources of heat including direct sunlight and ensure adequate ventilation around the unit. © LA Audio 2004 User Manual 1. Introduction 1. Introduction The EQ231G-SP is a high quality dual 31-band 1/3 octave graphic equaliser including variable Hi and Lo-pass filters, Shelving EQ, Gate and Limiter. The Graphic Equaliser features centre detented, 45mm faders which give up to 12dB of cut and boost at 31 ISO centre frequencies, covering the entire audio spectrum (20 to 20KHz). The Hi-pass filter uses 4th order bi-quadratic topology giving a 24 dB/octave slope with corner frequency variable from 16 Hz to 160 Hz. The Lo-pass filter is a 2nd order design (12dB/octave) with the corner frequency variable from 3KHz to 32KHz. The Shelving Equaliser faders enable control of the amount of cut or boost, a centre detent is provided at 0dB. Two rotary potentiometers enable control of the LF and HF shelf frequency. A bypass switch allows the whole section to be taken out of circuit. The Dynamics section uses a fast RMS detector with soft-knee action. The Limiter has a 3 segment LED gain reduction display. The Gate has an LED indicator illuminating when the signal is below threshold. A delayed by-pass relay allows silent on/off switching and also provides direct throughput when the unit is not powered. Inputs and outputs are electronically balanced. Each channel has a Peak Indicator illuminating for an equivalent output signal of +18dBu. Options The unit can be augmented by parallel outputs offering a unique transformer distortion cancellation circuit. This reduces distortion by an order of magnitude compared to conventional designs and also provides galvanic isolation from connected devices for the reduction of interference and hum. © LA Audio 2004 User Manual 2. Installation 2. Installation It is important to read this section before applying power to the unit. 2.1. Inspection and unpacking The EQ231G-SP is carefully packed at the factory in a carton which is designed to withstand handling in transit. However if transit damage is evident, DO NOT discard any of the packaging material and notify the carrier and your dealer immediately. The shipment should contain the following: • The Unit, EQ231G-SP Graphic Equaliser • Power cord • Technical Manual (this book) If any of the above items are missing, notify your supplier immediately. 2.2. Operating Environment The unit is designed to operate between 0u and +50uC (32u - 122u F) in an atmosphere of relative humidity up to 80%. Should the unit be installed in an equipment rack, ...


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