- DL manuals
- LA Audio
- Stereo Equalizer
- EQ231G
- User Manual
LA Audio EQ231G User Manual
Summary of EQ231G
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Dual 31 band graphic equaliser 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 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...
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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 18.
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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 i...
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User manual 1. Introduction © la audio 2004 7 1. Introduction the eq231g is a high quality dual 31-band 1/3 octave graphic equaliser with variable 12db per octave hi-pass filter. A delayed by-pass relay allows silent on/off switching and also provides direct throughput when the unit is not powered. ...
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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 is carefully packed at the factory in a carton which is designed to withstand handling in transit. However if transit damage ...
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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 6. Filter frequency. The hi-pass filter has a 2nd order (12db/octave) slope. This control varies the turnover frequency from 16 to 160hz. This feature is particularly useful for protecting smaller loudspeakers, which will not be able ...
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User manual 4. Applications & techniques © la audio 2004 13 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 14 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 15 4k and 20khz. The remaining band is roughly equivalent to the bandwidth of a phone line. 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...
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User manual 4. Applications & techniques (contd.) © la audio 2004 16 as the graphic equaliser is essentially a set of volume controls (albeit frequency specific ones) and dynamics units respond to volume, it is best to cut or boost frequencies as desired before applying compression. This ensures tha...
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User manual 5. Block diagram & specifications © la audio 2004 17 5. Block diagram & specifications block diagram specifications frequency response 20 hz - 20 khz, +1/-1db signal to noise ratio @ +4dbu output 96db input impedance 20 k Ω balanced output impedance 100 Ω balanced maximum output level (i...
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User manual 6. Repairs and warranty © la audio 2004 18 6. Repairs and warranty the eq231g 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-lasti...