Madrigal Imaging power amplifier manual

Madri gal A u dio L abor at orie s , I n c . Oper a ting Manua l M ark L e vinso n ® Nº 33 Ref e r en c e Mo n au r al P o w er A mpl ifier[...]

2 C A U T ION 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 i g htn in g fla sh w ith a rr o w hea d sym b[...]

3 I m por t an t Saf e ty I nstru c tions P l ea se rea d al l instru cti ons a n d pr ec a ut io ns ca re fu ll y an d co m pl et el y bef or e op era tin g y ou r Ma r k Le vins on ® po w er amp li fier . 1. AL W A Y S d isc onn ect y ou r ent ire s y ste m f r om t he A C ma ins bef or e co nnect in g o r dis co nn ectin g any cables, or when c[...]

4 F rom a ll of u s at M adrig al Aud io La bor at ories , th an k you f or c h oosi ng t h e M ark Levi ns on Nº 3 3 R ef erenc e Mo nau ral P ower Amp l ifier . A g rea t deal o f e ff or t went i nt o th e des ig n and c o nstruc ti on o f th is pre c isio n devic e . Used p roperly , it will g ive you ma n y yea r s o f enj oymen t .[...]

5 T able of C ont en ts U npac ki ng the Nº33 ................................................................................... 6 H and ling t he Shippin g Cr at e ............................................................................ 6 U npackin g Pr ocedur e ................................................................................[...]

6 U npac k in g th e Nº33 Handling the Shi pping Cr at e The s hip p in g w ei g ht of ea ch o f y our Nº3 3 R ef eren ce M ona ura l P o w er Amp lif ier s is a pp ro xima te l y 4 35 po u nd s (1 98 kg). An y fr ei g ht this ma ss i v e must be h and l ed wit h extr em e ca re t o a v o id in jury . A t l east tw o st ro n g peo pl e ar e requ [...]

7 T o saf el y un pac k the Nº3 3 am p lifi er: 1 CA RE FU LL Y C UT TH E NYL ON S TRA PPI N G A ROU N D TH E CRA TE Thes e s tra ps m a y b e under some tension, and the ends ma y sna p out war d w hen t h at t ensi on is f irst re lea sed . Sta nd t o on e sid e w hen c utt in g ea ch n y- l on s tr a p t o a v oi d a n y ch an ce o f th e st ra[...]

8 Y o ur Mark Levin son ® Nº3 3 po w er a mp lifi er s inc o rpo ra t e he a v y du ty ca st ers t o f a cilita te t he ir m o v eme nt . If y our fl oorin g is e v en s li g htl y f ra g il e , be ad- vis ed th a t si gnif ica nt pr es su re is g en er a ted b y th e Nº3 3’ s a pp ro xima te ly 3 50 pou nds (1 60 kg) be in g su ppo r ted b y [...]

9 P lac em en t Consi der ati ons PRECAUTION For y our pr ot ect ion , re v ie w “ Im portan t Safe ty I nstruc tions ” and “ Oper ating V olt age ” befor e y ou inst all y our Nº33 . Y ou r Ma rk Le vins o n Nº3 3 po w e r am p lifi ers a re s pec ifi ca ll y de si gn ed to sta nd o n th e floo r , a nd mu st be u sed as f ree stan din g[...]

10 Spik ing t he Am plifier O nc e y ou h a v e esta blis hed l oca ti o ns f o r y our a mp lifi er s , y ou ma y e le ct to imm o- b iliz e th em b y us in g th e f our s p ik ed “ f eet” inc lu ded w ith ea ch a mp lifi er . Th ese ma chin ed a lu minum pa r ts f it s nu gl y o v er th e he a v y d uty ca st ers o n th e bott om of ea ch a m[...]

11 O per ati ng V olt ag e Y ou r Ma rk Le vins o n Nº3 3 R e f er en ce M ona ura l P o w er Amp lif ie r is ch ara ct eriz ed b y its r ema r ka bl e ab ility to p as s a mus i ca l si gna l w ith u tte r inte grity , re ga rd l es s of ho w de ma nd in g th at si gna l an d t he l ou ds pea k ers u sed mi ght be . W he n ca ll ed upon to do so [...]

12 N º 33 A C m ains cu rr en t r equ ir emen ts 100V 120V 200V 210V 220V 230V 240V Of f <.3 <.3 <.2 <.2 <.2 <.2 <.2 Standby 2.1 1.7 1.1 1 1 0.9 0.9 On, at idle 8.4 7 4.2 4 3.8 3.7 3.5 300w @ 8 Ω * 14.7 12.3 7.4 7 6.7 6.4 6.1 600w @ 4 Ω * 23.1 19.3 11.6 11 10.5 10 9.6 1200w @ 2 Ω * 32.5 27.5 16.5 15.5 15.0 14 13.6 2400w [...]

13 Spec ial D esi gn F eatu r es C on gra tul at io ns on y ou r pu rc has e of M ar k Le vinso n Nº3 3 R ef er en ce M o na ur al P ow er Am p lif ie rs . W hil e y our n e w am p lif ie rs a r e str a i g htf or w ar d in the ir e v er y da y us e , th ey in c lu de se v er al d es i gn f ea tur es w hic h a re r es pons ib l e f o r th eir o ut[...]

14 an ces o f A C ma ins lin e a nd n eu tr al), as w ell a s f ro m the t ota l el imina ti o n of A C ma ins flu ctua ti ons a nd n o ise . As a r esu lt , the c riti ca l v ol ta ge g a in sta ge s of t he Nº3 3 o per at e in a hi g hl y op t imiz ed en viro nment , a nd a re a bl e to pa ss a lo ng sig- ni fi can t ly mo re l o w-l e v el r es[...]

15 • th e pre se nc e of D C (dir ect c urr ent) a t th e ou tp ut • ei ther ov er-v oltag e or under-v olt a ge conditions on the A C main s • u nsa f e op era tin g t em per atu re s in an y of se v er al c riti ca l a rea s w ithin t he a mp lifi er • su sta ined o utp ut curr ent in e x c ess o f 80 a mpe res (w hi ch w ou l d oc cur o [...]

16 MADRIGAL AUDIO LABORATORIES R REFERENCE MONAURAL AMPLIFIER Nº 33 2 1 F r ont P an el 1S T A N D B Y B U T T O N W he n po w er is f ir st a pp lied t o th e Nº3 3 po w er a mp lifi er , a nd a ss umin g t he r ear panel A C mains s witc h is set t o its on p osi t ion, t he ampli f ier r em ai n s comple tely off . P res sin g th e f ront p an[...]

17 PUSH slave out remote turn-on jacks communications ports slave in 1 2 4 5 3 R ear P an el Caution! T urn the v olu me on y our pr eampl ifier all t he w ay do wn bef or e attempting to c onne c t a n ything to y our M ark L e vinson Nº33. 1 SI NG LE -EN D E D IN PU TS The se R CA co nne cto rs a cc ept s in g le-e nded in p uts f ro m p rea mp [...]

18 use , the amplifi ers wi ll ope rat e out of phase with eac h oth er , r esu ltin g in a loss of bas s and poor i magi ng . Alt ho u g h th e bes t f orm o f ba l an ced int er co nnect io n is vi a a ba l an ced c ab l e an d XLR co nnect ors , it is pos sib l e to o pe ra te t h e Nº3 3 in a ba l an c ed co n- fi gura ti o n b y us in g both [...]

19 T o Nº38 Master T o Nº33 Slave In Locking tab Locking tab A diff erent L ink c onn ect or c onf i gu ra ti on is u sed f or t he “ da isy-c h a in ” of o n e am p lifi er t o th e ne xt, t o minimiz e th e o pp ortu nity f or mis-w irin g . I n e ff ect , th is ca bl e is ide nt ic al t o th e on e bet w een p rea mp lifi er a nd p o w er [...]

20 Y ou r Ma rk Le vins o n dea ler c an h el p y ou ta k e a dv anta ge o f th es e des i gn f eat ures to maxi mi z e y our system ’ s v ersat i lit y . 4 SPE AK E R BI N D I N G POS TS The M ar k Le vins on Nº3 3 is equ ip ped w ith c ust om ma de , go l d-p la ted , hi g h- cu rrent b ind in g post s f o r ou tp ut t ermina t io n t o a lo u[...]

21 W arning! H igh c urr en t A C wiri ng r egulat ions v ary fr om one loc ation t o ano the r—do no t atte mpt t o con nec t th e Nº33 t o y our A C mai ns po w er with out c onsul ting a qualif ied lo cal ele c trica l c ontr act or . (See Operating Voltage in th is man ual f or mor e inf ormation . ) The Mark L e vi nson Nº33 has been saf e[...]

22 Car e & Mai n t en anc e T o re mo v e dust f ro m th e c ab inet o f th e Nº33 , u se a f eat he r du ste r . T o rem o v e dirt a nd f in g erp rints , w e rec omm en d iso pr o p y l a l co h o l an d a so ft cl oth . Ap pl y th e a l- c oh o l to t he c lot h fir st a nd t hen l ig htl y cl ean t he s urf a ce of t he Nº3 3 . Ca utio n[...]

23 U .S . an d Can adian W arr an ty 90-Day Lim ited W arranty This M a rk L e vins on ® p rodu ct is w a rra nt ed to be f re e f ro m de f ects in ma t eria l a nd w orkman ship under normal use f or a per io d of ni nety ( 9 0) d a ys from the date of purch ase . T o ex tend the warranty of this Mark Lev inson product , retu rn th e w a r - ra [...]

24 Ob t a ining S er vic e W e t ak e g re at pr ide i n o u r de aler s . Expe r ie nce , de d ication, and i n teg rity mak e th ese p ro f ess io nals i de all y su it ed to a ss ist w ith o ur c us to me rs ’ ser vi ce n eed s . If y our M ar k Le vins o n co mpo nent mu st be se r vi ced , p le ase c o nta ct y ou r dea le r . Y o ur de al e[...]

25 Spec ific ati ons T h e c or rela ti o n betwe en pu bl ish ed spec ific atio ns a nd perfo r ma nc e is un rel iable . A l ist of n u m ber s revea ls virt uall y not h i n g . All te ch n ic al m eas u remen ts m ust be su b- je c t to qua l ita tive as we ll as qua nt itat ive i nt er pret ati o n . M eas u remen ts o f th e Ma rk Levi nso n [...]

26 D im ensi ons: Nº33 MADRIGAL AUDIO LABORATORIES R REFERENCE MONAURAL AMPLIFIER N º 33 PUSH 5.0" 12.7 cm 12.75" 32.3 cm 14.0" 35.6 cm 31.0" 78.74 cm 27.06" 68.74 cm 3.125" 7.94 cm .81" 2.06 cm 31.0" 78.74 cm 31.0" 78.74 cm 30.0" 76.2 cm 9.75" 24.8 cm 9.75" 24.8 cm 7.0" 17.8 cm 2.8[...]

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630133-5 © 6/1998 Madrigal Audio Laboratories, Inc. All rights reserved. Printed in U.S.A. is a registered trademark of Madrigal Audio Laboratories, Inc. a Harman International company MADRIGAL AUDIO LABORA TORIES R Madrigal Audio Laboratories, Inc. 2081 South Main Street, P.O. Box 781 Middletown, Connecticut 06457 USA Telephone: (860) 346-0896 Fa[...]