Mark Levinson N 331 manuale d’uso

Madri gal A udi o Labor at ories , I nc . Oper a ting Manua l M ark L e v inson ® Nº 333 Nº 33 2 Nº 33 1 Dual Monaur al P o w er A mp lifiers[...]

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 s h wit h a rr o w h ea d sy [...]

3 I m por t ant Saf e ty I nstru c ti ons P l ea se rea d all ins tru cti o ns a nd p re ca uti ons c ar efu ll y a nd c om p l et el y bef or e op era t in g y our M a r k Le vins o n ® po w er ampli fier . 1. AL W A Y S d isco nn ect y ou r ent ire sy ste m f ro m th e A C ma ins bef ore c o nne ct in g or d isc onn ect in g a n y ca b l es , o [...]

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5 T able of C on t en ts U npac ki ng Y our Am plifier ........................................................................... 6 W arm up/br eak-in peri od ................................................................................. 6 Pl ace men t Consider ations ......................................................................... 7 V[...]

6 U npac k i n g Y ou r A mpl ifie r W arning! U nde r no ci r cu mst anc es shoul d y ou c onsider unpac ki ng y our ampl ifier w ithout adequ at e as sist anc e , as both per sonal in ju ry and dam age t o the pr oduc t is l ik ely un less y ou fol lo w the pr ocedu r es list ed bel o w . The s hip pin g w ei ght o f y o ur D u al M o na ur al P [...]

7 P l ac em en t Consi de r ati ons PRECAUTION For y our pr ot ecti on , r e vie w “ I mport ant Saf e ty I nstruc tions” and “ Oper atin g V olt age ” bef or e y ou inst all y our ampl ifier . Y ou r Ma rk Le vinso n 300-s erie s po w er a mp lifi er is s pec ifi ca ll y des i gn ed t o sta nd o n th e fl oor , a nd mu st be u sed a s a f [...]

8 O pe r ati n g V olt age , Nº333 Y ou r Ma rk Le vinso n D u a l Mo na u ra l P o w er Am p lif ie r is ch a ra cte riz ed by it s re- ma rk a b l e a bil ity t o pas s a mu si ca l si gna l wit h utt e r inte g rity , re g a rdl ess o f ho w de ma nd in g th a t si g nal a n d th e lo u ds pe ak ers u sed mi g ht be . W h en ca ll ed u po n t o[...]

9 The p o w er de man ds th at a s in g l e Nº 3 3 3 mi g ht c on cei va bl y ma k e w he n bein g us ed to r ep r odu c e mus ic w ith a ctu al l o ud s pea k ers a r e su bsta nt ia ll y lo w e r , sa f e l y w ithin t he n orma l a b ilit ie s of 1 00V a nd 1 20V , 1 5 am per e line s . St ill , f o r th e best pos si bl e perf orma nc e w ith [...]

10 O pe r ati n g V olt age , Nº33 2 & Nº33 1 Y ou r Ma rk Le vinso n D u a l Mo na u ra l P o w er Am p lif ie r is ch a ra cte riz ed by it s re- ma rk a b l e a bil ity t o pas s a mu si ca l si gna l wit h utt e r inte g rity , re g a rdl ess o f ho w de ma nd in g th a t si g nal a n d th e lo u ds pe ak ers u sed mi g ht be . W h en ca [...]

11 N º 33 1 A C mains maxim um cu rr en t r equ ir eme n ts 100V 120V 200V 210V 220V 230V 240V Off .1 .09 .05 .047 .045 .043 .042 Standby 1.08 0.90 0.54 0.52 0.49 0.47 0.45 On, at idle 2.60 2.20 1.32 1.26 1.20 1.15 1.10 100w @ 8 Ω * 7.32 6.10 3.66 3.48 3.33 3.20 3.05 200w @ 4 Ω * 12.4 10.4 6.20 5.90 5.63 5.40 5.17 400w @ 2 Ω * 21.5 18.0 10.8[...]

12 Spec i al D e sig n F eatu r es C on gra tu l a ti o ns on y our p u rc h as e of a M ar k Le vins on Nº 300-s eri es D u al M o na u- ra l P ow er Am p lif ie r . W hil e y o ur n ew a mp lif ie r is str a i g htf or w ar d in its e v ery da y us e , it in cl u de s se v era l de si gn f ea tur es w hi ch a re r es pons ib l e f o r its o uts [...]

13 t est o f th e Nº3 3 3 a t ma ximum po w er r equ ire s a bou t 45 amperes at 1 20V . (The l a ws o f p h y si c s re fus e to be c h ea ted . Lo n g-t erm , y ou ca nnot d el i v er m o r e po w er int o th e s pea k er th a n y o u ca n p ul l f ro m th e w al l .) Thirty-t w o T O-3 out pu t tr ans ist o rs a re d ist ribu ted in t he h ea t[...]

14 In a ddit io n, th e A C inp ut t o ea ch tr a nsf orme r is fu sed to p rot ect a ga inst e x ces si v e cu rrent c on dit i ons s uc h a s dri vin g s ho rted o utp ut s . Inru sh l imit in g p re v ents p r e- ma tur e a g in g of p o w er su pp l y c om po ne nts du rin g po w e r -u p , a nd s w itc he s of f- lin e o nc e th e po w e r su [...]

15 MADRIGAL AUDIO LABORATORIES R Nº 333 DUAL MONAURAL POWER AMPLIFIER 2 1 F r on t P an e l 1S T A N D B Y B U T T O N W he n po w er is f ir st a p p li ed t o th e po w er a mp lifi er (if y our s is a CE -cert i- fi ed unit , this m ea ns pl u ggin g it in an d turn in g o n th e rear pan el A C mai ns swi tch ), th e a mp lif ie r re ma ins of[...]

16 DUAL MONA URAL PO WER AMPLIFIER N º 333 communication ports remote turn-on jacks ~ac mains inputs inputs 1 2 4 3 5 6 R ear P an e l Caution! T urn t he v olum e on y our pr eampl ifier all t he w ay do wn bef or e at temp ting t o co nnect an ything to y our M ark Le vinson po w er amplifi er. 1 BALA N CE D AUD I O IN P UT A cc ept s a si gnal [...]

17 2 SI NGLE -END ED IN PU TS The se R C A c onn ect o rs a cc ept s in g l e-en ded in p uts f ro m p rea mp lifi ers w ith sin gl e-end ed (R C A) out p uts . Sin gl e-end ed in pu t si g nals a r e co n v erted t o ba l a nc ed s ig na ls immed iat e l y u po n be in g re ce i v ed a t th e a mp lif ie r, a nd a re h an dl ed as ba l an ced si g[...]

18 In a ddit io n, sh ou ld a f au lt co nd iti on c au se a n y am p lifi er’ s p rot ect io n cir - cu itry to a cti v a t e , it c an r epo rt the na tu re o f th e p ro b le m t o a link ed Ma r k Le vinso n p r eam p lifi er v ia t his c ommu ni c at i ons l ink . I f this oc c urs , t he p rea mp lifi er w ill d is pl a y th e num ber o f t[...]

19 5 SPE A K E R BI N DI NG PO S TS The M ar k Le v inso n 300-se ri es a mp lif ie rs a re e qu ip ped w it h cu st om ma de , g ol d-p l a ted , hi g h-curr ent b in din g p osts f or o ut pu t te rminat i o n to a l ou d- s pea k er sy ste m . T o tak e fu ll a dv anta ge o f th e a mp lifi er’ s s on ic q ua lity , w e re co mme nd u sin g hi[...]

20 6 A C MA I NS C O RD AN D A C MA I NS S WIT CH C on v enti o na l IE C stan da r d po w er c o rds c ann ot be us ed in the Nº 3 3 3 , du e t o th e pot ent ia l cu rre nt req uir em ents o f Nº 3 3 3 w hen o pe ra t in g into l ow imped an ce l oa ds . (Th e hi g he st a v a il a b l e curr ent r a tin g f or a n I E C sta nd ar d thr ee-c on[...]

21 T w o f as t-a ct in g 30 am per e fus es a re l oc a ted ins id e th e Nº 3 3 3 , on t h e A C ma ins m odu l e . Th e Nº3 3 2 use s t w o 1 5 a m pere s l o-bl o fus es , a nd t he Nº3 3 1 us es tw o 1 0 am per e s l o-b lo fu ses . The p rot ect io n c ir cu itr y h as bee n de- si gned s u ch t ha t o nl y a ca ta str o p hic f a ilu re c[...]

22 Br idge d Oper a tio n Y ou r M ar k Le vins on a m pl ifi er h a s been d es i gn ed t o be e x t rem el y v er sa t il e . S h ou l d y o ur n eeds c ha ng e o r gr o w o v er t ime , y ou ma y wis h to a dd a ddit io nal po w er b y on e o f t w o me ans: B ri d gin g , o r Bia mp ing . W e w ill dis cu ss b ri d g ed op- eration fi rs t. Bri[...]

23 The “ n orma l ” l eg o f th e Ma dri g al B a l an c ed Bri d gin g In pu t A da pt er w ill be ma r k ed w ith a r ed stri pe t o in di ca t e pos iti v e po la rity , an d th e in v erted l e g will be ma r k ed w ith a b l a c k stri pe t o in di ca t e in v er t ed po l a rity (co rre s po nd in g to t h e red a n d b la ck t erminals o[...]

24 3 CO N N EC T O N E E ND O F TH E BALA NC E D BRI DGI NG OU T PUT AD A PTE R T O T W O S I DE-B Y - S I DE BL A CK OUTPUT TERMI NAL S All M ar k Le vinso n a mp lif ie rs h a v e tw o sets o f ou tp ut t ermina ls per c h ann el , wire d in parallel ( f or con v en ience when biw irin g). Y o u ma y use e ith er t he u p per o r th e lo w er b l[...]

25 Sin gle-E nded Bri dgin g Kit 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 [...]

26 Sin gle-E nded Bri dged In put Con n ect ion[...]

27 Bia mp li fi c a tio n In c o ntra st t o b rid ged o pe ra ti o n (w h er ein a tw o c ha nn el a m p lifi er is “ foo l ed ” int o beh a vin g as a s in g l e , la r g er am p lif ie r), b ia mp l ifi ca t io n mak es u se of a tw o-ch ann e l am p lif ie r to d ri v e di ffe r e nt p or tion s of a sin gl e l ou ds pea k er . A s w ith b [...]

28 P assive b iampin g wiring d iagr am[...]

29 Car e & Mai n t en an c e T o rem o v e du st f r om t he c a b in et of y ou r am p lifi er , use a f eat h er du st er o r a lint- f re e so ft cl ot h . T o re m o v e d ir t an d f in g erp rints , w e re co mme nd is o pr o p y l a l co h ol and a s of t clo th. Dampe n t he clo th wi t h alcohol fi rst an d then l ig htly clean the su [...]

30 U .S . an d Can adian W arr anty 90-Day Lim ited W arran ty This M ar k Le vins on ® pr odu ct is w a rra nted t o be fr ee f r om d ef ects in ma te ria l an d w orkman ship under no r mal use fo r a per io d of ni nety ( 9 0 ) d a ys from the d ate of purchas e . T o extend the war ranty of this Mark Lev ins on produc t , return t h e w a r -[...]

31 Ob t a ining S er vic e W e ta k e gr ea t pri de in o ur d ea l ers . Ex pe rie nc e , dedi ca t io n , an d inte grity ma k e t he se pr o f es si o nals i de a ll y su it ed to a ss ist w ith o ur c ust o mer s ’ s er v ic e ne eds . If y our M a r k Le vins o n co mpo n ent mus t be servi ced , p l eas e co nta ct y our d ea l er . Y ou r [...]

32 Spec ifi c at ions T h e c or re lat io n bet ween pu bl is h ed spec ific at i ons a nd per f orma nc e is u n rel iab le . M eas u remen t s of th e you r am pl if ier yield e xc ellen t re su lt s by a n y st an dar ds . Ho w- ever , on l y th os e spec if ic ati on s th at appl y t o it s ac tu al oper ati o n are i nc lu ded h ere . All spe[...]

33 D i m e nsions: Nº 333 & Nº33 2 MADRIGAL AUDIO LABORATORIES R N º 333 DUAL MONAURAL POWER AMPLIFIER 3.86" 9.8 cm 9.85" 25 cm 3.86" 9.8 cm 0.425" 1.1 cm 9.0" 22.9 cm 0.425" 1.1 cm 0.45" 1.14 17.56" 44.6 cm 18.85" 47.88 cm 0.257" 6.53mm 3.825" 9.72cm 9.91" 25.17cm 1.22" 3.1cm [...]

34 D i m e nsions: Nº 333 & Nº33 2 (c on t . ) 1.25" 3.16 cm 0.23" 58 mm 0.45" 1.14 cm 17.38" 44.15 cm 10.3" 26.16 cm 19.11" 48.54 cm 18.85" 47.88 cm Insta lla t io n Not es: ___________________________________________________ _________________________________________________________________ ________________[...]

35 D i m e nsions: Nº 33 1 2.23" 5.66 cm MADRIGAL AUDIO LABORATORIES R N º 331 DUAL MONAURAL POWER AMPLIFIER 3.86" 9.8 cm 9.85" 25 cm 3.86" 9.8 cm 9.0" 22.9 cm 0.31" .78 cm 17.56" 44.6 cm 14.36" 36.47 cm 18.85" 47.88 cm 0.257" 6.53mm 3.825" 9.72cm 9.91" 25.17cm 1.22" 3.1cm 3.825&quo[...]

36 D i m e nsions: Nº 33 1 (c on t . ) 0.23" 58 mm 0.45" 1.14 cm 9.31" 23.6 cm 19.11" 48.54 cm 18.85" 47.88 cm 2.23" 5.6 cm 2.23" 5.6 cm Insta lla t io n Not es: ___________________________________________________ _________________________________________________________________ __________________________________[...]

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630319-2 © 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[...]