Instruction/ maintenance manual of the product 2595 Sound Performance Lab
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Manual Pa ssive Equ alizer with 120 V Make up A mpli f iers Pa sse q Model 2 5 95 - . ' ° . ) ' ) ' . ' ° . ) ' .
2 Passe q Versio n 1.0 – 7 / 20 0 6 Des ig ner: Wolf g ang Neuman n Th is use r's guide con tai ns a de sc rip tio n of th e produc t . It in no way repr es ent s a g uar ante e of par tic ular char ac ter is ti c s or re sult s of u se.
3 Passe q Impor t ant Safet y Information ................................................................ 4 Hook Up ........................................................................................ 5 Introduc tion .............................
4 Passe q Ple as e n ote an d re tai n thi s inf or ma tio n. C are f ully read and fol low al l of t he saf et y and op er- ati ng inst r uc tio ns bef ore you use th e machin e. Be doubl y caref ul to note and follow th e war n- ing s and speci al safe t y notic es.
5 Passe q Be ver y carefu l to check that the rear chas sis power s elec tion switch is se t to the correc t local line voltage position before using th e unit ( 2 30 V p osition: 220-240 V, 115 V position: 110- 120 V )! Whe n in doub t about a source, cont ac t your dealer or a pro fes sio nal elec t ri cian .
6 Passe q SP L Pa sseq —t he most powerful p a ssiv e E qu al ize r e ver ma de Uniqu e Features • Th e most pow er f ul pa ssi ve EQ ev er made— 72 (! ) pa ssi ve lter s per channe l in one EQ. • 120 V makeu p am pli er s b a se d upon SP L S UPR A- OP s wit h 150 dB dy nam ic rag e a nd 20 0 V /ms slew rate.
7 Passe q Adva ntages of Passive Filt erin g • T y pi ca lly c oil in duc t ance in vir tua lly a ll ac t i ve l ters is achi eve d t hroug h si mula tio n. T r ue pa ssi ve coil l ters , on t he contr ar y, c an only delive r th e g enuin e, chara c teri st ic sound ass o - ciate d with indu c ti ve compo nent s .
8 Passe q 12 0 Vo lt Ma keu p Am pli ers Wi th p a ssi ve lter ing c ome s an u navoi dabl e dro p in sig n al le vel that req uire s make up amp li- c ati on, and w it h th e P a ss eq, her e SPL ’s e x tr aor dinar y Sup ra - OP s , wi th t hei r uniq ue ana log 120 -vol t te chn olog y, co me into pl ay.
9 Passe q Lund ah l T ran sformers Th e Swe dish r m o f Lun dahl i s rec og nize d wo rl d wid e fo r the s uper io r son ic qual iti es of i t s han d made tr ans for m er s. SPL ha s use d Lun dahl tr ans fo rm er s for many year s, t y pic al ly for opt ional i n- an d out pu t st age s of v ar iou s pro duc t s.
10 Passe q R ear Panel 1JO 8JSJOH9-34PDLFUT (/%IPUDPME "7*43*426&%&$)0$c-&$53*26&/&1"40673*3 3*4,0'&-&$53*$4)0 $, %0/0501&/ $"65*0/ "$.
11 Passe q Power and Signal Connec tions Be ver y caref ul to chec k t hat the rear chassis power selec tion switch is se t to the cor rec t loc al line v oltag e position ( eithe r 230 or 115 vo lts).
12 Passe q One Coi l per F ilt er , one Cor e pe r C oil Ea ch Pa ss eq lter is ind iv idual ly const r uc ted for it s i ntend ed f requ enc y, t hat is, each coil, condenser and v ariable resis tor (var . resis tor=boost or cut control ) ensemble is s onically tun ed to it s inten de d f r eque nc y r ang e.
13 Passe q Cut LF-LMF Cut MF-MHF Cut MHF-HF Boo st LF B. LMF-MHF Boo st HF 20k 19k5 18k 18k 17k 16k 15k 14k 13k 12k 11k 10k 8k6 8 k6 7k8 7k5 7k 6k 6k 5k 2 5k 5k 4k8 4k5 4k3 4k 3k9 3k5 3k3 2k9 2k8 2k5 .
14 Passe q - ' # P P T U E # LF -LMF Cut a nd LF Boost The low cut fre quency r ange ex tends from 30 Hz to 1.
15 Passe q M HF -HF Cut and HF Boost Pa s se q’s high f req uenc y b and s hav e a dif fer ent l ayou t for the cut an d b oos t r ange s: Th e MHF -H F cut ba nd e xh ibi t s a (wide -b and ) shel vi ng char ac ter is ti c, w hile t he HF b oos t ba nd e x h i b i t s a v a r i a b l e Q , p e a k l te r c h a r a c t e r i s t i c .
16 Passe q In th e arena s of re cordin g and mi x ing on e can g ener all y dis ting ui sh bet we en t wo ma in goa l s in appl yin g EQ: T h e rs t is sou nd cor re c tio n, or so und de sig n th.
17 Passe q First contr ol le vels, then appl y E Q Bad ly adju ste d l evel s of ten induc e u s to misu se EQ in misg ui ded ef for t s to cor re c t t hem .
18 Passe q Cut ting f un damen tal levels Cut t ing fu ndam ent al fr equ enci es prov ide s for a per cei ved incr ea se in h ar mon ic s and i s the ref ore an ef f ec t i ve alte r nati ve to bo os ting h ar mon ic le vel s .
19 Passe q An over view of freq uenc ies a nd exa mpl es fo r pos sib le process in g ( H e r e w e p r o v i d e a p p r o x i m a t e v a l u e s w h i c h m ay e x p a n d t o a d ja c e n t a r e .
20 Passe q Cl a s si c al i ns t r u me n t s a nd t he i r f r e qu en c ie s A s ym pho ny orc he st r a pre se nt s a kind of idea l par ad ig m of a balan ced , w ide -sp ec t r um instrum ental sound canvas.
21 Passe q Fre qu en c y an d En e r g y In ge ner al , a f re quen c y pre sc rib e s a number of ev ent s in a tim e inte r v al . Th e pe r-seco nd c yc le of a w av e for m is gi ven in Her t z (Hz). Lower tones pro duce longe r waves and hig her, wa ves of shor ter leng th , and th e hig her t he f re quen c y, th e h igh er th e to ne.
22 Passe q F requenc y Filt ers A s a rule al mos t e ver yon e of u s ha s rs t ma de an aquaint ance with fr eque nc y l ter ing thr oug h our lis tenin g to hom e ster eos .
23 Passe q Equalizer In our conte x t here , an EQ is in ef fe c t a n et wo rk of f re quen c y lter s whic h chang es it s out put charac ter istic s depen ding on f requen cies. T he common recording st udio con cept f or sound shap ing o r co r rec t ion is th e am pli tud e- ba s ed EQ.
24 Passe q A c t i ve EQ s Th e lte rs of a n ac ti ve n et w ork r equi re e x ter nal p owe r whi ch all ows f or an i nteg r ati on of a mp l i f y i ng e l e m e n t s t h a t a l l o w f o r b o t h b o o s t a n d c u t f u n c t i o n s .
Passe q Po wer Supply Th e p ower supply w a s ca ref ull y eng ine ere d to pr ov ide c lean an d con sis tent c ur rent t t t an imp or t ant p rere quisi te f or e xcel lent au dio. Buil t a roun d a tor oidal t r ansf or m er, the p owe r suppl y ge ner ates a min imal e lec t rom ag net ic eld w ith no h um or me cha nic al no ise .
26 Passe q Guarantee & P roduct R egistration All SP L pr oduc t s com e w ith a t wo -y ear m anuf a c ture r ’s gua ran tee ag ain st def ec t s in m ater ial or ass emb ly f rom the date of pur cha s e. T ub es have a g uar ante e of thr ee mont hs .
Copy Master: R ecall Settings - . ' ° . ) ' ) ' . ' ° . ) ' . ) ' ° ) ' - ' ° - .
28 Passe q < Manual Passeq.
An important point after buying a device Sound Performance Lab 2595 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sound Performance Lab 2595 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sound Performance Lab 2595 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sound Performance Lab 2595 you will learn all the available features of the product, as well as information on its operation. The information that you get Sound Performance Lab 2595 will certainly help you make a decision on the purchase.
If you already are a holder of Sound Performance Lab 2595, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sound Performance Lab 2595.
However, one of the most important roles played by the user manual is to help in solving problems with Sound Performance Lab 2595. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sound Performance Lab 2595 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
