LA Audio Electronic EQ231G-SP User Manual

Manual is about: Dual 31 Band Graphic Equaliser & Dynamics Processor

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Dual 31 Band

Graphic Equaliser &

Dynamics Processor

User Manual

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Summary of EQ231G-SP

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Dual 31 band graphic equaliser & dynamics processor user manual.
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User manual copyright © la audio 2004 2 copyright copyright 2004. All rights reserved. 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 ...
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User manual thank you © la audio 2004 3 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 t...
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User manual contents © la audio 2004 4 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.
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User manual important safety instructions © la audio 2004 5 important safety instructions warning this equipment must be earthed. Do not expose to rain or moisture. Please read all of the following instructions and save them for later reference before attempting to connect your unit to the ac power ...
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User manual safety information © la audio 2004 6 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-s...
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User manual 1. Introduction © la audio 2004 7 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 a...
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User manual 2. Installation © la audio 2004 8 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 dama...
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User manual 2. Installation (contd.) © la audio 2004 9 2.4. External connections the input and output connectors are wired on female and male xlrs respectively, wired as follows: pin 1: ground pin 2: hot balanced signal pin 3: cold balanced signal 2.5. Impedance & termination most modern audio syste...
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User manual 2. Installation (contd.) © la audio 2004 10 2.6. Signal levels the unit is designed to accept an input signal level of up to +20dbu (db referred to 0.775vrms). Above this, clipping (distortion) of the signal will occur. It should be noted that the filter amplifiers may be driven into dis...
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User manual 3. Operating instructions © la audio 2004 11 3. Operating instructions 3.1. Controls 1. Eq faders allow high-resolution control over eq gain at 31 iso frequencies. The frequency is indicated on the front panel, as are the amounts of cut and boost, between –12 and +12 db. Each fader has a...
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User manual 3. Operating instructions (contd.) © la audio 2004 12 5. Shelving filter bypass switch allows the filter to be taken out of circuit. This allows you to hear its effects when compared to the unfiltered sound, and also to allow low frequencies to pass unaffected. 6. Shelving filter frequen...
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User manual 4. Applications & techniques © la audio 2004 14 4. Applications & techniques a graphic equaliser may be used in numerous situations, in many different ways. It is impossible to document every implementation, but we hope that the following examples will serve as a useful starting point. 4...
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User manual 4. Applications & techniques (contd.) © la audio 2004 15 technique is quite common in recording or production studios to tailor a sound for its eventual reproduction medium. C) elimination of "sibilance" sibilance is the noise which occurs when someone is speaking who either has a "hissy...
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User manual 4. Applications & techniques (contd.) © la audio 2004 16 another useful effect that can be created with a graphic eq is a ‘comb over’. To give a mono source some interest in a stereo mix, the graphic equaliser can be used to create variances in each side of the stereo signal, thereby wid...
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User manual 4. Applications & techniques (contd.) © la audio 2004 17 compressor or limiter. Placing the graphic equaliser after dynamics could cause the compressor or limiter to react to frequencies not audible in the output, creating unusual undulations in volume not associated with the program mat...
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User manual 5. Block diagram & specifications © la audio 2004 18 5. Block diagram & specifications 5.1 block diagram.
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User manual 5. Block diagram & specifications (contd.) © la audio 2004 19 5.2 specifications frequency response 20 hz - 20 khz, -1db signal to noise ratio @ +4dbu output -96db input impedance 20 k Ω balanced output impedance 100 Ω balanced maximum output level (into 600 Ω load, 1 khz, 600 ohms load)...
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User manual 6. Repairs and warranty © la audio 2004 20 6. Repairs and warranty the eq231g-sp is a ruggedly constructed solid-state unit that requires no preventative or routine maintenance. The unit is constructed from the highest quality components, which are selected to provide consistent, long-la...