Instruction/ maintenance manual of the product MC1.2KW McIntosh
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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.
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.
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 .
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.
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 .
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 .
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.
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.
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) Mc.
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 P.
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.
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.
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.
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.
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.
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.
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 n.
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.
An important point after buying a device McIntosh MC1.2KW (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought McIntosh MC1.2KW yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data McIntosh MC1.2KW - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, McIntosh MC1.2KW you will learn all the available features of the product, as well as information on its operation. The information that you get McIntosh MC1.2KW will certainly help you make a decision on the purchase.
If you already are a holder of McIntosh MC1.2KW, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime McIntosh MC1.2KW.
However, one of the most important roles played by the user manual is to help in solving problems with McIntosh MC1.2KW. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device McIntosh MC1.2KW along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
