McIntosh MC-1.2kw manual

McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, New Y ork 13903-2699 Phone: 607-723-3512 F AX: 607-724-0549 MC1.2KW Owner ’ s Manual P ow er Amp l ifier[...]

2 The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “danger- ous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. 1. Read these instructions. 2. Keep these instructions. 3. Heed all war[...]

3 Thank Y ou Y our decision to o wn t his McIntosh MC 1 .2KW P ow er A mplif ier ra n ks you at the v er y top a mong discr im i nati ng music listeners. Y ou no w h av e “ The Best. ” T he Mc I ntosh dedication to “Q ual ity , ” is ass ur ance t hat you will receive many years of musi cal enjo y ment f rom th is u nit. P lease t ake a shor[...]

4 X LR Connectors Bel o w is the Pi n conf igu r ation fo r the X LR Balance d Input Con nectors on t he MC 1 .2KW . Re fer to the diag r am for con nection: P I N 1 : Shiel d /G round P I N 2: + Out put P I N 3: - Out put P ow er Control Connector The MC 1 .2KW’ s Po w er Cont rol Inputs receiv e On /Of f si g nals of + 5 vo lts. A n addit ional[...]

5 Dimensions Dimensions The foll owing di mensions can a ssist in dete r m in ing t he best locat io n for y ou r MC 1 .2KW . The re is add itional in form ation on the next page per t ain ing to i nst all ing t he MC 1 .2KW into cabinets. 17- 3/4 " 45.09cm 1 1" 27.94cm 12- 5/16 " 31.27cm 18" 45.72cm 19- 1/2 " 49.50cm 3/16 [...]

6 Installation Installation The MC 1 .2KW can b e placed upr ight on a tabl e or she lf, sta ndi ng on its f ou r feet. I t a lso can b e custom i nst alled in a piece of fu r nit u re or cabinet of y ou r choi ce. The four feet may be remo v ed f rom the bot tom of the MC 1 .2KW when it is custom in stal led as outli ned belo w . The four feet tog[...]

7 Cau ti on: T he Loud spe ake r Negat iv e Conn ec ti ons a re above cha ss i s groun d . Do n ot co mbi ne an y conn ec ti ons t o - get her, groun d the m or con ne ct w it h ano the r MC 1.2KW . Rear P anel Connections and Sw itch Con nec t the MC 1 .2KW power cord to a live A C outlet. Refer to the r ea r pan el to dete r mi ne t he cor r ect [...]

8 ter mi nals so t he lugs can not slip ou t. Ref e r to f ig ur es 4, 5 & 6. 4. Connect t he loud- spea ker hookup c a- bl e to the out put ter m i nals t hat match the i mped ance of y our loudsp ea ker , bei ng caref ul t o obser ve the cor rect polar ities. Out put i mped ance con nect ions o f 2 ohm s, 4 ohm s and 8 oh ms a re provided. If[...]

9 McInto sh Lou dsp ea ker How to Con nect McIntosh Pr ea mplif ie r Con ne ct to A C Out let[...]

10 Re fer to f ig ur es A and B. Connect ion Method for use o utside the U nit ed State s and Canada: Att ach the pr evious ly prepa red ba re wi re cable ends into the spa de lug connec tors a nd secu re the c onnec tions. In ser t the spa de lug connec tor or prepa red se ction o f the cable end into t he ter mi nal side access hole , and t ighte[...]

1 1 How to Con nect for Bi- Amp Cable Openings T erminal Connections Cover Cover Mounting Screw Location Cover Mounting Screw Location Rear Chassis Handle Fi g u re 7 b (Out side USA and Ca na d a) McInto sh Lou dsp ea ker McIntosh Pr ea mplif ie r McInto sh A mpli f ier On e McInto sh A mpli f ier T w o Con ne ct to A C Out let Con ne ct to A C Ou[...]

12 F ront Panel Displa ys and Switches Sta ndby Po wer O n Ind icator Meter i nd icates t he Po wer Out put of the A mpl if ier LED ind icate s when A mplif ier PO W ER GU A R D ci rcu it act ivates PO W ER Switch T u r ns A C Pow e r On / Of f, or On / Remote M ETER Switch select s the d isplay modes of the Po wer O ut put Meter a nd Meter I llu m[...]

13 el ect ron ically he ld to this p o wer l ev el until a higher p o wer peak pa sses t h rough t he amplif ier . T he meter poi nter wil l then r ise to the newer higher i ndication. If no f u r the r pow e r pea ks a re rea ched, the met er pointer wil l v er y slo wly ret ur n to its re st position o r lo wer pow e r lev el. The decay rat e is [...]

14 T echnical Descr iption Mc I ntosh Labor ator y , the compa ny w ho int roduced t he w orl d ’ s f i r st amplif ier t hat could be called “ High F ide l- ity ” , has done it again. T he Mc I ntosh engi neer i ng staf f has creat ed a pow e r amplif ier w ithout compromise, using the most advanced McIntosh circu it desi g n conce pts. A co[...]

15 T echnical Descr iption cies is less tha n 0. 0 02% . T he t r ue d istor t ion readi ngs on the MC 1 .2KW are so lo w , it takes sp ecial measu r i ng tech n iques to ma ke accur ate rea di ngs. The MC 1 .2KW can deliv er t he best p ossib le perfor ma nce f rom any t y pe of high qu alit y loudspea ker system. Creati ng an a mplif ier with t h[...]

16 Au tofo rmers Al l so lid stat e pow er a mplif ier out put circu its w ork best into what is cal led an opti mum load . Th is opti mum load may var y considerably from what a loudspea ker requ ire s. In t he case of more than one loudspe aker con nect ed in par allel, the load to the power amplif ier may d rop to t w o ohm s or ev e n less. A p[...]

17 T echnical Descr iption, con ’t audible and inaud ibl e d istor - tion lev els ex c eed ing 40 % . The aud ibl e distor t ion is u npl e asa nt to hear, bu t the in audibl e ult ra sonic distor t ion is also u ndesir abl e, since it can da mage valuabl e loudspea ker system t weeter s. Y ou will nev e r exper ience the ha rsh and d amag i ng d[...]

18 Specif ications Specif ications P ow er Out put Mi ni mum si ne wa ve continuous av erage pow er out put is: 1 ,20 0 watt s into 2 oh m load 1 ,20 0 watt s into 4 oh m load 1 ,20 0 watt s into 8 oh m load Out pu t Load Imped ance 2, 4 or 8 oh ms Rate d P ow er Band 20Hz to 20, 00 0Hz T otal Har monic Di stort ion 0. 0 05 % ma xi mum ha r monic d[...]

19 Packing Instructions Qu antit y Par t Numbe r Descr ipt ion 1 03 4 1 05 Shipping car ton top 1 03 4 1 0 4 Shipping car ton bot tom 2 03 4 349 F oa m Pad ( top a nd bot tom ) 3 03 4 3 50 F oa m Ri ng 4 400 1 5 9 1 0- 32 x 3 /4 inch screw 4 0 1 8 44 5 F eet Packing Instructions In t he ev ent it is necessar y to re pack the equ ipment f or shipmen[...]

The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in the U.S.A. McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, NY 13903 McIntosh Part No. 04105500[...]