Manuale d’uso / di manutenzione del prodotto 9320 del fabbricante Sound Performance Lab
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Owner ´ s Manual SOUND PERFORMANCE LABORA TORY STEREO Models 9319, 9320 ® ®.
SOUND PERFORMANCE LABORATORY S TEREO V ITALIZER Owner´s Manual by Paul White and Hermann Gier Version 2.2/95 The information in this document has been carefully verified and is assumed to be correct. However Sound Performance Laboratory (SPL) reserves the right to modify the product described in this manual at any time.
3 STEREO Contents F orw ord 3 Introduction 4 Operation saf ety 4 Connections 5 Applications S tudio 6 T ape - duplication 7 Broadcast 7 Sound reinf orcement 8 V ideo & film post production 8 First.
4 STEREO T he S TEREO V IT ALIZER is an equalizer c oncept whic h makes use of scientif ic psyc hoac oustic te c hnology to process audio signals . T he unique combina- tion of dynamic equaliz er s , .
5 STEREO Bef ore connecting t he S TEREO V IT ALIZER switc h the pow er off at all c onnected units . T he S TEREO V IT ALIZER is av ailable in tw o version up to autumn 1995: V er sion 1: unbalanced .
6 STEREO Applications: Studio A A p p p p l l i i c c a a t t i i o o n n 1 1 : : The S TEREO V ITALIZER inserted into the Master-Inserts of the console. A A p p p p l l i i c c a a t t i i o o n n 2 2 : : The S TEREO V ITALIZER inserted between Noise-Reduction and Recorder to improve archived recordings.
7 STEREO A A p p p p l l i i c c a a t t i i o o n n 3 3 : : The S TEREO V ITALIZER inserted between Compressor und Recorder. In t he field of electronic music , t he S TEREO V IT ALIZER can be used to add new range and dept h to samplers and synt hesizers and also to f urther process exis ting ef f ects suc h as delay and rev erberation.
8 STEREO In live perf ormance or in c lub installations , the S TEREO V IT ALIZER is a powerf ul ally in maint aining s peec h intelligibility under dif ficult c onditions . It is also of great benef it in syst ems designed to pla y recorded music because t he illusion of loudness can be maintained at lower absolut e SPLs.
9 STEREO W hen setting up t he S TEREO V IT ALIZER f or the f irst time , it is wise to approac h the c ontrols in a s pecif ic order to a void c onf usion and to ac hieve positive results right from t he start.
10 STEREO 5. A section wit hin the S TEREO V IT ALIZER with one of t he most decisive inf luences on the sound is P R OCESS c ontrol. If you c ontinue to tur n the P ROCESS c ontrol up , more of the signal is added to t he B ASS and M ID -H I T UNE sections whils t dominant mid frequencies are reduced acc ording human hearing at t he same time .
11 STEREO The control elements of the S TEREO V ITALIZER ® T he V IT ALIZER A CTIVE f unction switc hes the S TEREO V IT ALIZER on or off . The st atus LED indicates t hat t he S TEREO V IT ALIZER has been activated. T he V IT ALIZER A CTIVE f unction is a relais-hard-bypass f unction.
12 STEREO F ig .1: T he dotted line shows frequency r esponses f or a soft Bass (S OFT )a t maximumP ROCESS and a M ID -H I T UNE of 3.5 kHz. T he solid line shows t he phase response , whic h alwa ys drifts onl y a f ew degr ees if the amplitude is increased.
13 STEREO Control elements appropriate frequencies , thus c hanging the s pectral cont ent of the original signal. T he S TEREO V IT ALIZER , howev er , relies on a more subtle met hod of amplitude-depending phase shifting .
Fi g. 4 : T he dotted line shows frequency r esponses f or a soft Bass (S OFT ) at varying P ROCESS and a M ID -H I T UNE of 3.5 kHz. T he solid line shows t he phase responses , whic h alwa ys drift onl y a f ew degr ees if the P R OCESS inten- sity is increased.
15 STEREO Stereo Width 8 f ilter interv enes at l ow frequencies . If the M ID -H I T UNE f ilter is at 1 kHz, t he H ARMONICS f ilter af f ects higher frequencies . T he c haracteristics of t he tw o f ilters theref ore complement eac h ot her in an ideal f ashion.
16 STEREO Specifications S TEREO V ITALIZER Rear Panel Version 1 (Model 9319, unbalanced jack-version, until autumn 1995) - unbalanced input & output st ages (0 dB) - mono-1 /4inc h-jac ks - 2-wire power c ord - relais-hard-bypass Version 2 (Model 9320, unbal.
17 STEREO SPL electronics GmbH (hereafter called SPL) products are warranted only in the country where purchased, through the authorized SPL distributor in that country, against defects in material or workmanship.
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 Sound Performance Lab 9320 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 Sound Performance Lab 9320 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Sound Performance Lab 9320 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Sound Performance Lab 9320 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Sound Performance Lab 9320, 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 Sound Performance Lab 9320.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Sound Performance Lab 9320. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Sound Performance Lab 9320 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.
