LA Audio Electronic EQX20 инструкция обслуживания

Dual 3 Ban d, Mon o 6 Band Param etri c Equali ser OPE RATION MANUAL[...]

Page 2 Vers ion - V1 April 20 00[...]

Page 3 CONTENTS 1. Intro ducti on Page 3 2. Install ati on Page 4 2.1 Inspec tio n a nd un-p ack in g 2.2 Operat i ng e nviro n ment 2.3 CE sta nd ard s 2.4 Power r equ ire ment s 2.5 Signal levels 2.6 Extern al con nect ions 3. Warra nt y Page 7 4. Des cr ipti on of c ontr ols Page 8 4.1 Chan nel 1 Page 8 4.2 Chan nel 2 Page 10 5. Applic ati o ns [...]

Page 4 1.0 INTRODUC TION The EQX20 is a t wo c ha nnel 3 ban d Par ametric Equ alise r whic h c an als o be conf i gured as a sin gle ch an nel 6 ba nd unit . Eac h b an d of fers vari ab le Frequ ency , 15 dB cut and b oost a nd var ia ble Q (B and widt h ). Having all para m eters f ully v aria ble makes th e EQX 20 a powe rful tool capa ble of a[...]

Page 5 2.0 INSTAL LATION IMPOR TA NT: PLEA S E RE A D T HIS SE CTIO N BE FORE USI NG THE E QX20 2.1 IN SPEC TI ON A ND UN P ACKIN G The E QX20 h as bee n c ar efully p ack ed at our f ac tory in a c art on desi gn ed to withst a nd handli ng in tr ans it. Shoul d the unit appea r t o have be en dam age d in t r ans it not ify your dealer i mmed iat[...]

Page 6 • Pl ea se ch e ck th at your unit is corr e ctly ra te d f or the volt a ge of the c ou ntry of op er a tion. If t he f use require s cha ngi ng at any time ple ase ensur e the corr ec t fuse is fitt ed. An inc orrect fus e co uld ca us e d am age to t h e unit a nd m ay c onstit ute a fire haz ar d. If you carry your E QX 20 fro m one co[...]

Page 7 The i nput and o utputs of t he EQ X2 0 a re bal anc ed o n both XL R a nd 1/ 4" TRS jack c onnec to rs. F or bal ance d in put and ou t puts, conn ec tions to t h e unit s hou ld b e wired as f oll ows: TRS j ack -10dB V Tip Hot (si gnal +) Ring Cold (s ig nal -) Sleeve Screen (s ignal g round) For un- bal anc ed oper ation j oin Ring [...]

Page 8 3.0 WARRANTY Your LA A udio EQ X2 0 has been manuf act ured t o a hig h s tan da rd usi ng quality c omp on ents. If corr ect ly i nst alled an d o per ated th e u nit s hould giv e years of prob le m free operat io n. Howev er i n t he event of a defec t in materia l or wor km ans hip c ausi ng f ailur e of t he unit wit hin f ive y ears of[...]

Page 9 4.0 DESCRIPTION OF CON TROLS 4.1 C HAN NE L 1 LF co nt rol This co ntrol s ets t h e am ou nt of cut or boos t f or t he L F (Lo w Fre que ncy) sect ion. Ga in r ang e on th e E QX2 0 is ±1 5d B. The f ollo wing di ag ram s ho ws the ef fec t of diff erent cut and boost set tin gs. Ma ximu m c ut or boo st o ccur s at the centre frequ enc y[...]

Page 10 In ge ner al l o wer Q s a re u s ed whe n boosti ng an d higher Q s whe n cuttin g - see a ppli cat io ns FREQ UE NCY cont rol This cont rol ad justs t he cent re frequ ency f or L F cu t or boost The L F FREQ U ENCY control h as a 40:1 r an g e and is ad just able fr o m 20Hz, CCW to 1kHz, CW. T he f o llowi ng di agra m s ho ws t he effe[...]

Page 11 Sets the amou nt of c ut or boost for the H F (Hig h Frequ enc y) s ect ion. FREQ UE NCY cont rol Adjus ts the c ut or bo ost ce ntre fr equ ency fo r the H F s ection. Cont rol ra nge is 50 0Hz, CCW to 20k Hz, C W. Q cont ro l Varies t he 'Q' of the cut or b oost re gio n for the H F sect ion. CLIP led The CLIP le d mo nitors the[...]

Page 12 BYP ASS s wit ch Press ing BY PASS s witches the EQ o ut of th e si gna l p ath and allow s A/B compa ris on. Remem b er if y ou a re u sing any amou nt of bo o st, BYPASSi ng th e E Q will cau se a noti cea ble dro p in si gnal le vel. In M O NO mod e Cha nn el 2 B YP ASS is in op erative and Chan nel 1 BY PASS now s witch es the wh ole E [...]

Page 13 5.0 APPLICATIONS 5.1 S e tti ng u p a n d usi n g the E Q X2 0 Refer t o Sect io n 2. 6 Exter nal c onnec tio ns on pag e 5 f o r con nect ing t o and fro m the EQX2 0. Now unles s y o u are f a milia r with ope rati ng par am etric equali s ers a goo d start ing poi nt will be .. ... Set all Q c ontrol s t o 12 o'c lock, this gives a [...]

Page 14 Kick dr um Slap at 3- 5k Hz Flop py around 600-6 50 Hz Bas s at 40- 12 5 Hz Boom y belo w 80 Hz Snare dru m Crack at 2-3k Hz 'In the way' 1kHz Body at 12 5Hz t o 3 00Hz Botto m 8 0 Hz[...]

Page 15 INS TRU ME NT BOO S TING CUT TI NG Hi-H at an d Sparkl e ab ove 5k Hz 'In the w ay' at 1kHz Cymb als Ring ar oun d 25 0 Hz Toms Slap at 3.5 -5k Hz Boom y around 300-3 50 Hz Bas s 60-25 0 Hz Bas s guita r Slap at 1k Hz String n ois e at 1k Hz Bite at 2. 5k Hz Boom y at 12 5-2 20 Hz Bas s 40-10 0 Hz Acoust ic guit ar Sparkl e ab ove[...]

Page 16 Addin g a hi gh Q peak aroun d 1k Hz wit h the MF sec tio n will furt her enhanc e this ef fect . EN HA NCING THE EQ O N A MIXI NG CONS O LE Patch the EQX 20 i nt o the in sert p oints on your co nsole to a dd f urth er equalis ati on c a pabilit ies when treat ing i ndivi dual sound s. Or pat ch int o Group inse rts f or equ alisi ng s ub-[...]

Page 17 6.0 CIRC UIT D E SCRIP TIO N Audio input High pass filter A u d i o o u t p u t Clip Equaliser By pa ss By pa ss Fig: 6.0. 1 B lock di agra m of the L A E QX20 sho win g the mai n sig nal pat hs AUDI O PA TH The in put sig na l f irst pa sses t hrou gh the elect ro nic ally bala nc ed input s tage which prov id es R F f ilteri ng a nd rej e[...]

Page 18 7.0 SP ECIFI C ATIO NS INPU TS Type electro nic ally bal anc ed XLR-F +4dB u, wired pin 2 = h ot (sign al +) 1/4' TRS jac k -10dB V, wired Tip = hot Imped anc e 20k Ω Maxi mu m inp ut +20d Bu OU TPU TS Type Ground se nsin g, ba lanc ed i mpe da nce XLR-M +4 dB u, wi red pin 2 = hot (s ignal +) 1/4" T RS jack -10dB V, wired Tip =[...]

Page 19 Dimens i ons 1.75" ( 44 mm ) H x 19" ( 482 m m)W x 6. 5" (1 65 mm ) D Weig ht U nit = 2.2k g, Ship pi ng = 2.85k g LA Aud io rese rves the righ t to alter any feature or speci ficat ion w ithou t prior notice E &OE[...]

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