Manuale d’uso / di manutenzione del prodotto EQ231G-SP del fabbricante LA Audio Electronic
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Dual 31 Band Graphic Equaliser & Dy namics Processor User Manual.
User Manual Copy right © LA Audio 2004 2 Copy right Copyright 2004. A ll rights reserved. The inf ormation in t his document is subject to change without notice.
User Manual Thank you © LA Audio 2004 3 Thank y ou fo r buying this product. As can be found t hroughout the LA Audio range, your EQ231G-SP has been desig ned and manuf actured to the hig hest possible standar ds of perf ormance and r eliability.
User Manual Contents © LA Audio 2004 4 Contents IMPORTANT SAFETY INST RUCTI ONS 5 Safet y Inform ation 6 1. Intr oduction 7 2. Installat ion 8 3. Operat ing Instr uctions 11 4. Applications & T echniques 13 5. Block Diag ram & Specif ications 17 6.
User Manual IMPORTANT SAFETY INSTRUCTIONS © LA Audio 2004 5 IMPORTA NT SA FETY INSTRUCTIONS WARNING THIS EQUI PMENT MUST BE EA RTHED. DO NO T EXPO SE TO RAIN OR MOIST URE. PLEA SE REA D A LL OF THE FOLLOWING INSTRUCTIONS A ND SA VE THEM FOR LA TER REFERENCE BEFORE A TTEMPTING TO CONNECT YOUR UNIT TO THE A C POWER SOURCE.
User Manual Safety Inform ation © LA Audio 2004 6 Safety Information EARTH This unit is connect ed via its power cord to the mains saf ety earth. NEVER OPERAT E THE UNI T W ITH T HIS EART H CONNECTI ON REMOVED. COVERS DO NOT remove the covers. Refer servicing to qualified personnel only.
User Manual 1. Introduction © LA Audio 2004 7 1. Introduction The EQ231G -SP is a high q uality dual 31-band 1/3 octave gr aphic equaliser including variable Hi and Lo-pass filt ers, Shelving EQ, Gate and Limit er.
User Manual 2. Installation © LA Audio 2004 8 2. Installation It is i mport ant to read this sect i on bef ore appl ying power to the uni t. 2.1. Inspect i on and unpacki ng The EQ 231G-SP is caref ully packed at t he fact ory in a carton which is designed to withstand handling in transit .
User Manual 2. Installation (contd.) © LA Audio 2004 9 2.4. External connect i ons The input and out put connectors ar e wired on female and male XLRs respectively, wired as follows: Pin 1: Ground Pin 2: Hot balanced sig nal Pin 3: Cold balanced signal 2.
User Manual 2. Installation (contd.) © LA Audio 2004 10 2.6. Sig nal lev els The unit is desig ned to accept an input sig nal level of up to +20dBu (dB refer red to 0.
User Manual 3. Operating Instr uctions © LA Audio 2004 11 3. Operating Instructions 3.1. Control s 1. EQ faders allow high-r esolution cont rol over EQ gain at 31 ISO f requencies. The f requency is indicated on the f ront panel, as are the amount s of cut and boost, between –12 and +12 dB.
User Manual 3. Operating Instr uctions (c ontd.) © LA Audio 2004 12 5. Shelving Filter Bypass sw itch allows the f ilter t o be taken out of circ uit. This allows you to hear its eff ects when compared to the unf ilter ed sound, and also to allow low frequencies to pass unaf f ected.
User Manual 3. Operating Instr uctions (c ontd.) © LA Audio 2004 13.
User Manual 4. Applications & T echniques © LA Audio 2004 14 4. A pplications & Techniques A graphic eq ualiser may be used in numerous sit uations, in many diff erent ways. It is impossible to document every implementation, but we hope that the f ollowing examples will serve as a useful starting point.
User Manual 4. Applications & T echniques ( contd.) © LA Audio 2004 15 technique is q uite common in r ecording or pr oduction studios to t ailor a sound for its eventual reproduction medium .
User Manual 4. Applications & T echniques ( contd.) © LA Audio 2004 16 Another useful eff ect t hat can be created with a graphic EQ is a ‘Comb Over’. T o give a mono source some int erest in a stereo m ix, the graphic eq ualiser can be used to create variances in each side of the stereo sig nal, thereby widening the sound.
User Manual 4. Applications & T echniques ( contd.) © LA Audio 2004 17 compressor or limiter. Placing the gr aphic equaliser af ter dynamics could cause the compressor or limiter to r eact to f requencies not audible in the output, creating unusual undulations in volume not associated with the prog ram m aterial.
User Manual 5. Block Diagram & Specific ations © LA Audio 2004 18 5. Block Diagram & Specificat ions 5.1 Block Diagram.
User Manual 5. Block Diagram & Specific ations (contd.) © LA Audio 2004 19 5.2 Specifi cat i ons Frequency Response 20 Hz - 20 kHz, -1dB Signal to Noise Rat io @ +4dBu output -96dB Input impedanc.
User Manual 6. Repairs and warranty © LA Audio 2004 20 6. Repairs and w a rranty The EQ 231G-SP is a rug gedly construct ed solid-state unit that req uires no preventative or routine m aintenance. The unit is constr ucted fr om the highest quality components, which are selected to provide consistent, long- lasting perf ormance.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il LA Audio Electronic EQ231G-SP è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del LA Audio Electronic EQ231G-SP - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso LA Audio Electronic EQ231G-SP imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul LA Audio Electronic EQ231G-SP ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il LA Audio Electronic EQ231G-SP, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del LA Audio Electronic EQ231G-SP.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il LA Audio Electronic EQ231G-SP. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo LA Audio Electronic EQ231G-SP insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
