Madrigal Imaging Five Channel Amplifier manual

PR O C E E D Five Ch an ne l A mpl ifi e r[...]

2 C A UTIO N RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. The l ig htn in g fla sh w ith a rro w h ea d sym bol[...]

3 Im por tan t Saf ety I n st ru ct i on s P lea se rea d a ll inst ru ct i ons a nd p rec a ut i o ns ca refu ll y a nd c om pl et el y be fo re o per at in g y our P r oce ed po w er ampli fier . 1. AL W A Y S disc o nn ect y ou r ent ire sy st em f r o m th e A C ma ins be f or e co nnect in g o r dis co nne ct in g any cables, or when cleaning [...]

4 F ro m all o f us at Ma driga l Au dio La bora t orie s , th a nk you f or ch oos i n g th is P rocee d power a mpl ifi er . A gr eat d eal o f ef f ort went i nt o th e des ig n a nd c o nst r uct io n of t h is pre c isi on devic e . Us ed p roperly , i t will g ive you ma n y years of en joym ent .[...]

5 T able of C ont e nts U np ackin g a n d P la cemen t ................................................................. 6 U npac king .......................................................................................................... 6 Plac eme n t ............................................................................................[...]

6 U npac k in g an d P l ac e m en t Un packi ng Unpack your Proc ee d ® F i v e Ch ann e l Amp lifi er a nd keep a l l p ack ing m at e r ia ls for f ut ure tr an spo r t . S hi pm ent o f th e amp lif i er w ith out t he o rig inal pa ckin g ma te rial is n ot re co mmen ded , as it is h ea v y en ou g h to ma k e imp ro v ised pa ck a g- in g i[...]

7 O per ati ng V olt age The P r oce ed am pl i fi er is f a cto r y-set f o r 1 00V , 1 20V , 2 20V , o r 2 40V A C mains o per a- t i on a t eit h er 5 0 or 60 Hz , a cc ord ing t o th e cou ntry f or w hic h th e u nit w as ma nu- f a ctured . ( 2 30V i n Europea n Un io n c ou nt r ies , i n c omp lia nc e wit h CE reg ulat io ns . ) M ak e sur[...]

8 A Qu ic k St ar t W e recognize that many pe op le are underst andab ly ea ger to begin li steni ng to th eir ne w c om pon ents , an d th at r ea din g th e manu a l is oft en do ne (if at a ll) a t a l a ter t ime—per ha ps w hile l iste nin g t o mus ic t hro u g h th e ne w pr oduct it self . W e stron gl y recomm end tha t you re a d thi s[...]

9 7 SL O WL Y RA IS E TH E V OL U M E O N Y O U R PR EA M PLI F I E R C o n gr a tul at io ns! Y ou s ho u l d no w be a bl e to e njo y y our f a v orit e mus ic w hil e re ad in g th e res t of th is manu al . ( Pleas e , do re ad th e rest o f th is ma nu al . I t c on t a i ns m uc h val uable i n f ormati on a bou t you r new a mpl ifier wh ic[...]

10 Spec ial D e si gn F eatu r e s C o n gr a tul at io ns on y ou r pu rc ha se of a P roc eed a m p lif ier! W hil e y ou r ne w amp li- fi er is st ra i ghtf or w a rd in it s use , it inc lu des se v er al d es i gn f ea tur es w hi ch a re r e- s po nsib le f or its o utsta nd in g perf o rman ce . A f e w o f th ese a re g iv en bel o w . Mul[...]

11 po w er s up p l y co mp on ents d urin g po w er -u p , an d sw itc he s off-l ine o nc e th e po w er s up p l y ha s been c ha r g ed . Hom e THX A udio Sy st em certifi cati on Lucasf i lm, Ltd. ® ha s esta b lis hed min imum sta nd ar ds f o r th e perf o rman ce o f v ari- ou s co mp o ne nts w hic h ma y be us ed in th eir H ome THX ® A[...]

12 five channel amplifier pow er standby 1 2 3 F r on t P an el 1P O W E R B U T T O N P r ess ing t his l at chin g po w er butt on c onn ects t he a mp lif i er t o th e A C ma ins , c h ar g es t h e po w er s u pp l y (w hic h tak e s a bou t f i v e se c on ds), an d p la c es it in sta ndb y . H a vin g a tru e stan db y fun cti on k ee ps t [...]

13 No te al so th at i f the ampli fie r has b e e n dis con nec te d from the A C m ain s po w er b y de pr es sin g th e f ro nt pa ne l po w er b utt o n , it ca nnot r es po nd t o a re mot e turn-o n c omma nd f ro m a co ntr ol u nit . 3 IN D I C A T O R LI GH TS The po w er in dicat or ligh t (a bo v e th e sma ll po w er bu t ton, below t h[...]

14 PUSH input selec t input selec t input selec t input selec t PUSH PUSH PUSH PUSH righ t fr ont righ t r ear ce nt er input selec t left rear left fr ont trigger inputs com municat ion ports ~ac mains outputs outputs outputs outputs outputs five c hannel am plifier by M ADR IG AL A UDI O LABS made in u. s. a . PR O C E E D R 1 4 5 6 7 2 3 R ear P[...]

15 The se t w o R J-4 5 co mmu ni ca ti ons po r ts a lso su p port th e P HAS T™ int er - c om pon ent co mmun ica ti ons p rot oco ls , grea tl y sim pl if y ing t he d esi gn a n d insta ll at io n of s o ph isti ca t ed ho me a ut oma t io n sy ste ms . Th ey p ro v id e t w o- w a y co mmu nic a t io n wit h the h om e a ut oma ti on c ont r[...]

16 If y ou a re n ot usin g t he se turn-o n inp ut s , y ou ma y l ea v e the m both emp ty of any plug s . 4 BALA NC ED AU DI O IN PU TS A c c ept s si gna ls f ro m p rea mp lifi ers w ith ba la nc ed outp uts v ia hi gh q ua lity XLR c o nne ct o rs . The p in as si gnment s of th ese XLR -ty pe f ema l e in pu t co nne cto rs a re: PUSH 21 3 P[...]

17 7 SPE AK E R OU TPU TS & BI N DI NG PO S TS The P r oce ed am pl i fi er is equ ip ped w ith g ol d-p l a t ed , h ig h-cu rrent b in din g post s f or ou tpu t t erminat io n to a l ou ds pea k er s y ste m . T o ta k e ful l ad v a nta g e of the A MP ’ s sonic qualit y , w e re commend usi ng hig h- qual ity␣ s pea k er ca b l e; see [...]

18 Br idge d Oper a tio n Y our P roc eed am p lifi er h as bee n des i gn ed to be e x tr eme l y v ers a til e . S ho ul d y our n eeds c ha n ge o r gro w ov er tim e , y ou ma y wis h to a dd a dd iti ona l po w er b y o ne of tw o mea ns: Bri d gin g , o r Bi am pin g . W e will d iscu ss b rid g ed o per at i on f irst . Brid ging Explain ed [...]

19 Bal an ced Bridg ing Kit 21 3 12 3 12 3 Female XLR Input Pin 1: signal ground Pin 2: signal + (non-inverting) Pin 3: signal – (inverting) Male XLR Output (normal) Pin 1: signal ground Pin 2: signal + (non-inverting) Pin 3: signal – (inverting) Male XLR Output (inverted) Pin 1: not used (floated) Pin 2: signal – (inverting) Pin 3: signal + [...]

20 3 CO NN EC T TH E BA LAN CE D BRI DG I NG OU TP UT AD A PTE R T O TH E T W O BL A CK OUTP UT TERMI NAL S C o nne ct on e en d of th e Ba la nc ed Brid g ing O ut pu t A da pt er to a b la ck ou t- pu t termina l on o ne o f th e t w o ch ann els t o be bri dg ed to g et he r , a nd th en c o nne ct th e oth er en d of t he O ut pu t A da pt er t[...]

21 Sing le-E nded Bridg ing Ki t 12 3 12 3 Female RCA Input Skirt: signal ground Center: signal + (non-inverting) Male XLR Output (normal) Pin 1: signal ground Pin 2: signal + (non-inverting) Pin 3: signal ground Male XLR Output (inverted) Pin 1: signal ground Pin 2: signal ground Pin 3: signal + (non-inverting) Single-Ended Bridging Input Adapter [...]

22 3 CO N N EC T TH E SI NG LE -EN D E D BR I DGI N G OUTP UT AD A PTE R T O TW O SI DE - B Y -SID E BLA CK OUTP UT TER MI NA L S C o nne ct on e en d of th e Ba la nc ed Brid g ing O ut pu t A da pt er to a b la ck ou t- put ter m in al on one side of the amplifier , a nd then connec t the ot her end t o a b l a ck o ut p ut t ermina l on t he ot [...]

23 Bia mp li f ic a tio n In c o ntr ast t o bri d ged o per at io n (w her ein tw o am p lifi er c ha nn els a re “f ool ed ” int o beh a vin g as a s ing l e , la rg er c ha nnel), bi am pl i fi ca tio n ma k es us e of t w o c h an- ne ls to d riv e dif f erent port io ns of a s ing l e lo u ds pea k er . As w ith b rid gin g , it off ers a [...]

24 Car e & M ain t en an c e T o rem o v e du st fr om t he c a b ine t of y o ur a mp lifi er , use a f ea th er d us t er o r a lint- f ree s oft c lot h . T o re m ov e dirt an d fin gerp rints , w e rec o mme nd is op ro py l al co ho l and a soft cloth . D ampen the cloth wi th alco hol fi rst and then lig ht ly clea n the su rf a ce of t [...]

25 U .S . an d Can adian W arr an ty 90-Day Lim ited W arranty This P roc eed ® p rodu ct is w arr ant ed to be f re e f r om d ef ects in ma t eria l an d w or k- ma ns hi p un der n o rmal u se f or a p eri od of nin ety (90) da y s f r om t h e da te o f pu r- chase . T o extend the war ranty of this Proceed p roduct , retu rn the w arr anty r [...]

26 Ob t a ining S er v ic e W e t ak e ␣ grea t pr ide i n ou r de aler s . Exper i e nce , de di cation, and i n teg rity mak e th ese p ro f ess io nals i de all y su ited t o ass ist wit h our c us to mers ’ ser vi c e ne eds . If y ou r Pr oceed c om po ne nt must be s er vi ced , p le as e co nta ct y ou r dea l er . Y o ur de a l er w ill[...]

27 Spec ific ations T h e c orrelat io n bet ween pu bl is h ed spe c ific ati o ns a nd perfo r man ce is u nre l iab le . A l ist of n u mbers revea ls virtua lly n oth i n g . All te ch n ic al mea su remen t s m ust be su b- je ct t o qual it at ive as we ll as qua nt it at ive i nterpret at io n . M eas ur ements o f th e Pro- c eed a mpl ifi [...]

28 Dimen s io n s five cha nnel amplifie r power standby PUSH input select input select input select input select PUSH PUSH PUSH PUSH right fr ont right r ear ce nte r input select left rear left fron t trigger inputs communication ports ~ac mains outputs outputs outputs outputs outputs five chan nel amplifier b y MADRI GA L AU DIO LABS made in u. [...]

29 Ra ck Mo u nt i ng If y ou n eed o r p re f er t o ra ck m ou nt y ou r amp lif ie r , c o nta ct y our P roc eed de a l er a b ou t the o pt io nal r a ck m ou nt kit. This p urp ose-d esi gn ed as semb l y pr ov ides the ne eded v ent ila ti on f o r the h eat sink “ chimn ey s ” of t he a mp lifi er as w el l as t h e su p- po r t req uir[...]

630280-2 © 2/1998 Madrigal Audio Laboratories, Inc. All rights reserved. Printed in U.S.A. Madrigal Audio Laboratories, Inc. 2081 South Main Street, P.O. Box 781 Middletown, Connecticut 06457 USA Telephone: (860) 346-0896 Fax: (860) 346-1540 http://www.madrigal.com/ PR O C E E D R is a registered trademark of Madrigal Audio Laboratories, Inc. a Ha[...]