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Table of contents for the manual
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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 MC205 Owner ’ s Manual P ow er Amp l ifier[...]
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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[...]
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3 Thank Y ou Y our decision to o wn t his McIntosh MC 205 P ow e r Ampli- f ier ra n k s y ou at the v er y t op among discr i mi nat ing music liste ners. Y ou no w have “The Best. ” T he Mc I ntosh dedica- tion to “Qu alit y , ” is assu r ance t hat yo u wil l receiv e many years of musi cal enj oyment f rom th is u nit. P lease t ake a s[...]
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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 205 . Re fer to the d iagr am for con- nect ion : 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 MC20 5 ’ s P ow er Control Input s receiv e On / Off signa ls o f +5 v olts. An a dditional con[...]
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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 MC2 05 . T here is add itional in form a- tion on the next page per t ain i ng to in stal li ng the MC2 05 into cabi nets. 17- 1/2 " 44.45cm 8- 7/8 " 22.54cm Front V iew of the MC205 Rear V iew of the MC205 Side V iew of the M[...]
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6 Installation Installation The MC20 5 can b e placed upr ight on a tabl e or shelf, sta ndi ng on its f ou r feet. I t a lso can b e custom i nst alled i n a piece o f f u r n itu re or cabi net o f y our choice . The four feet may be remo ved from t he bott om o f the MC20 5 when it is custom i nst alled a s outlined b el o w . T he four feet tog[...]
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7 Rear P anel Connections Con nec t the MC205 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 vol tage Mai n Fuse, refer to t he rea r pa nel for the cor rec t f use size a nd ra ti ng Selects t he i mped a nce ( 4 or 8 oh ms) o f t he Loud spe aker s con ne ct- ed to t he MC205 PO W ER CONT R OL ZA rec ei[...]
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8 Spade lug or prepa red w ire c onnec tion: In ser t t he spade lug con nector or pre par ed sect ion o f t he cabl e end into t he ter mi nal side access hole , and t ighten the te r m inal c ap unt il the cable is f ir mly clamped i nto the ter mi nal so t he wi res ca n not s l ip out. R ef er to f igu res 4, 5 & 6. Bana na plug connect ion[...]
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9 How to Con nect for a Fiv e Channel Sy stem Lef t Front Loud spe aker R ight Fron t Loud spe aker Cente r Front Loud spe aker Lef t Su r rou nd Loud spe aker R ight Sur rou nd Loud spe aker + - + - + - + - + - T o A C Out let[...]
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10 Cau ti on: T he su pp lie d AC P ower C ord shou ld no t be co n- nec te d to the Re ar Pane l of the MC205 Power Am - pl if i er un ti l af ter t he Louds pe ake r Conn ec ti ons have be en m ad e . Failure t o obs er ve th is c ould resu lt i n Ele ct ri c Shoc k . 1 . Con nect Audio Cab les f rom the Zone A Unbalanced Out puts of a Mc I ntosh[...]
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1 1 How to Con nect for a Sev en Channel Sy stem Cente r Front Loud spe aker Lef t Su r rou nd Loud spe aker R ight Sur rou nd Loud spe aker + - + - + - T o A C Out let Back Lef t Sur rou nd Loud spe aker Back R ight Sur rou nd Loud spe aker + - + - R ight Fron t Loud spe aker Lef t Front Loud spe aker McIntosh T wo Cha n nel P ow e r A mplif ier[...]
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12 How to Connec t for a Five C hannel an d Zone B System Spade lug or prepa red w ire c onnec tion: In ser t t he spade lug con nector or pre pare d sect ion o f t he cabl e e nd into t he ter m i nal side acces s ho le, and tighten the te r m inal c ap unt il the cabl e is f i r m ly c lamped i nto the t er m in al so the w ire s can- not s lip o[...]
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13 How to Con nect for a Fiv e Channel and Zone B Sy stem Zone B L eft Loud spe aker Cente r Front Loud spe aker Lef t Su r rou nd Loud spe aker R ight Sur rou nd Loud spe aker + - + - + - T o A C Out let + - + - R ight Fron t Loud spe aker Lef t Front Loud spe aker McIntosh T wo Cha n nel P ow e r A mplif ier Zone B R ight Loud spe aker[...]
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14 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 mplif ier for Cha n nels 1 , 3 a nd 5 LED ind icate s when A m- plif ie r Cha n nels 1 , 3 or 5 PO W ER GU A R D ci rcu it act ivates LED in dicate s when A mplif ier Cha n nels 2 or 4 PO W ER GU A R D ci rcuit a ctivate s PO W ER Sw[...]
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15 How to Operate the MC205 How to Operate the MC205 P ow er Wi th t he PO WER Switch set to t he OFF / R EMOTE P osi- tion, t he M C20 5 wil l t u r n O n or Off when an A / V Control Center t u r ns O n or Off. F or manu al oper ation, place the PO W ER Switch to the ON P osi tion as desi red. Refer to f igu re 8. Note: Ther e mu st be a powe r c[...]
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16 A conti nuo us av erage pow er out put rati ng o f 200 watt s and an out put cu r rent of great er tha n 25 amper es per cha n nel, ma kes this one of the most advanced a nd pow er f u l ampli- f iers McIntosh has ever manufac t u red. Ref er to f igu res 13 and 1 4. The distor t ion lim its for the MC 205 are no more tha n 0. 0 05% at rated pow[...]
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17 P ow er Supply Circuit s T o compliment the design of the MC2 05 , t here is a high cu r rent pow e r supply f or t he f iv e p o wer amplif ier chan nels. Re fer to f ig ur e 1 8. T he v er y la rge P o w er T r an sf omer, has toroidal wi ndi ngs on a toro idal core a nd can sup pl y o ver 3 5 amps of continuous cu r re nt. Re fer to f igu re [...]
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18 Specif ications Specif ications P ow er Out put Mi ni mum si ne wa ve continuous av erage pow er out put per chan nel, all cha n nels operati ng is: 200 watt s i nto a 4 ohm or 8 oh m load Out pu t Load Imped ance 8 and 4 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 dist or tion at any[...]
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19 Packing Instructions Qu antit y Par t Numbe r Descr ipt ion 1 03 405 2 Shipping car ton top 1 03 405 1 Shipping car ton bot tom 2 03 4054 F oa m Pad ( top a nd bot tom ) 2 03 4 1 86 F oa m Pad ( f ront and rea r ) 2 03 4 1 87 F oa m Pad ( sides ) 1 03 4 13 6 In ner ca r t on top 1 03 4 13 7 In ner c ar t on bott om 1 03 4 1 88 F oa m Pad ( in ne[...]
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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. 04101300[...]