Sound Performance Lab PQ Mastering Equalizer инструкция обслуживания

Owner‘ s Manual > PQ Mastering Equalizer[...]

2 Ana lo g, du al -c ha n ne l fi ve- band p arame tr ic equalizer Owner‘ s Ma nua l V 1. 4 , 9/ 2003 Sof tware ve rsion 24 0H R & D: Wolf gang N eumann The info rmatio n in this do cument has b een c aref ully veri fi ed and is as sumed to b e cor rec t. H owever So und Per f or mance L ab (SP L) res er ves th e rig ht to modif y t he pro [...]

3 Content Intro duc tion 3 Inst allation 4 Te c h n o l o g y 5 Key F unc tion s 6 Channel Co ntrol Elem ent s 8 Te c h n i c a l S p e c i fi cati on s 10 War r ant y 11 Introduction Dear customer , thanks for usin g the P Q Ma stering E qualizer . We wish you have a s much f un wor king with it as we h a d d u r i n g the developmen t of this ex[...]

4 Installation BEF ORE SWITCH ING ON POWER S UPPL Y AND PQ, THE PQ MU ST BE CONNE CTED TO THE POWER S UPPL Y WITH TH E SUPPLI ED MU L TICOR E LE AD. P A Y A T TENTION T O A SECURE CONNECT ION . The PQ an d the ex ter nal power suppl y should b e situated aw ay f rom hea t sources and direc t sunlig ht . PQ and p ower supply ne ed suf fi cient ai r[...]

5 SPL Hig h Gain T echnolog y SPL is cons tant ly pu shing analog sig nal proces sing to it s limit s by combining t he be st possi ble com ponents with perfec tly opti mize d circuit desig n. A s our l atest ac hieve- ment in this ongoing pro cess , SPL ‘s High G ain Ser ies sur pa sse s the hit her to accepted limits of au dio sig nal processin[...]

6 Const ant Q an d prop or tional Q mode s Eac h freq ue ncy b an d co ns ists es sentiall y of t wo f ully p arame tr ic equalizer s: one f or const ant Q mode an d one for prop or ti onal (or var iable) Q mo de, selec t able per b and. The PQ is the fi rst equ ali ze r to of fer b oth mo des, en dowi ng it w ith double e qualiz a- tion power fo [...]

7 K ey F unctions Motor ized po tentio mete rs All of th e P Q‘s potent iometers are m otorize d to accommodate th e channel link an d unit link f unc ti ons. T he adjus tm ent ra nge of the Fre quenc y , B andw idth and A mplit ude pot entiome ters is ev enl y dispers ed throug hout the 3 0 0 - degre e movement area , ensuring sm ooth and con ti[...]

8 LINK FUNCTION The lin k functi on cou p les the t wo c hannel s for stere o applicat ions. In link mo de, one channel‘s control s will cont rol both c hannel s simultane ously. Note: T h e l i n k f u n c t i o n i s n o t a v ailab le in slave mo de (unit link ). If sl ave mode is ac ti - vated, the lin k key is dis ab led and the L ink LED is[...]

9 Ov erwri ti n g a wr itten pres et 1. Se lect a writte n preset you wish to over wr ite, e.g. A00 3 („ A “ does not bl ink) 2. P ress t he Save key. The display sh ows „ OVE R “, p r ompting you to confi rm o ve r wri te 3. P re s s the Save ke y ag ain. T he display sh ows „ SA VE “ for app roxima tely one se cond 4. The pr ese t i [...]

10 Input impedance (balanced): 20 kOhm (Welwyn pr ecision resistors; transformerless) Output impedance (balanced): ‹ 600 Ohm (CMR trimmers, transformerless) Overload resistance: +34 dB (Band 1-5 = ON, B/C = 0) Harmonic distortion: @-30 dBu: 0.2% @-20 dBu: 0.05% @0 dBu: 0.01% @+10 dBu: 0.002% @+30 dBu: 0.0005% S/N: -90 dBu (A-weighted; -88 dBu w/o[...]

11 Wa rranty SPL elec t ronics Gmb H ( hereaf ter calle d SPL) produc t s are war r anted only in th e countr y where p urchas ed, t hrough th e author ized SPL dis tr ibutor in th at countr y, ag ainst defe ct s in mater ial or work manship. The spe cifi c p erio d of this limite d warranty s hall be tha t w h i c h i s d e s c r i b e d t o t h [...]

> PQ Mastering Equalizer , Owner‘ s Manual All yo u need is imag ination, g ood ear s and three let ters:[...]