Instruction/ maintenance manual of the product MC-2301 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 MC2301 Owner ’ s Manual T ub e P ow er Am pl 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 IM P O R T A N T ! INS TR U C T ION S F OR R EMO V AL OF F O AM INSE R TS O VER T HE V A C U U M T U B E S P RIOR T O C ONN E C TIN G TH E A . C . P OWE R S UP P L Y C ORD , S T AR T ON T HE NEX T P A GE.
4 Unpacking the MC230 1 C au t ion : T o prev ent damag e to the M C230 1 T ubes duri ng shipping, th ere is a spe - cial foa m inser t surroun di ng the T ubes located on bo th sid es of the P o w er Am- pli f ier .
5 F igu r e 3 Adequate ventilat ion e x tends t he t roubl e f ree li fe o f t he MC2 30 1 . Always allo w ai r to f lo w t h rough t he v entilat ion ho les on the bot tom of the amplif ier a nd a mean s f or the war m ai r to e scape at the top.
6 Cau ti on: T he MC2 30 1 Am pl if i er we igh t is 1 1 6 p ound s (52.6 ki logr am s) . It re qui res t w o or mor e per son s to safe ly han dle w hen m ovin g the a mp lif ier. 1 . T he following Co nne cti ng Cable i s ava ilable f rom the M cIn- tosh Part s De par tm ent: Power Co nt rol Ca ble Par t No.
7 X LR Connectors Bel o w is the Pi n conf igu r ation fo r the X LR Balance d In- put, Input /O ut put Connect ors on the MC23 0 1 . Refer to the diag ra m for connect ion: P I N 1 : Shiel d /G round.
8 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 30 1 . T here is a dditional i nfor - mation on page 9 per t ai ni ng to in sta lli ng the MC2 30 1 i nto cabinets. 17- 3/4 " 45.
9 Installation Installation The MC23 0 1 can be place d upright on a t abl e or she lf, 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 MC2 30 1 when it is custom i nst alled a s outlined b el o w .
10 Notes.
1 1 Rear P anel Connections and Sw itch Con nec t the MC230 1 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 PO W ER CONT R OL I N rec eiv es a t u.
12 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 the cable end into the t er m ina l si de acce ss ho le, and t ighten the t er m in al cap u ntil the cable is f i r mly clamped i nto the ter mi nal so t he wi res ca n not s lip out.
13 McInto sh Lou dsp ea ker How to Con nect McIntosh Pr ea mplif ie r Con ne ct to A C Out let.
14 3 . I f the cable is str anded , car efu lly t wist the st r and s together as t ightly as possib le . Note: I f de sired , the t wi sted e nd s can b e tin ne d with solde r to ke ep th e stra nd s togethe r , or at tach s pad e lug a nd /o r ban an a con nec tor.
15 How to Con nect for Bi- Amp McInto sh Lou dsp ea ker McIntosh Pr ea mplif ie r Con ne ct to A C Out let McIntosh Po wer A mpli f ier T w o.
16 F ront Panel Displa ys and Controls Sta ndby Po wer O n and Se nt r y Monitor T ube Pr otec tion Activa- tion I ndicat or Meter i nd icates t he Po wer Out put of the A mpl if ier PO W ER Switch T .
17 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 appro xi- mately 6dB p er m inute.
18 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 lit y” , has done it again.
19 T echnical Descr iption MC2 30 1 De sign The de si g n ph ilosoph y incor porat ed in t he MC2 30 1 i n- v ol ved sev eral d if ferent tech niques, al l based on sou nd sci- entif ic lo gic. E ver y stage of v oltage amplif ication must be as li nea r as possible prior to the u se o f negativ e feedba ck.
20 feedback designs. The f u lly Balance d Pu sh-Pul l design is use d f rom input to out put. The res ulti ng f ully bala nced conf igu r ation can- cels many form s o f audible distor tion and g reatly i mpro v es the Si g nal-to -No ise r atio of the amplif ier .
21 T echnical Descr iption, con ’t should fail. Du r ing nor mal ope rat ion there is absol utely n o compromise i n sonic per for mance w ith th is ci rcuit, and it ensu r es safe operat ion o f t he amplif ier u nder even the most extr eme operat i ng conditions.
22 Specif ications Specif ications P ow er Out put Mi ni mum si ne wa ve continuous av erage pow er out put is: 300 watt s into 2 oh m load 300 watt s into 4 oh m load 300 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.
23 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 44 3 9 F oa m Pad ( top a nd bot tom ) 3 03 44 4 1 F oa m R i.
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 MC-2301 (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 MC-2301 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 MC-2301 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, McIntosh MC-2301 you will learn all the available features of the product, as well as information on its operation. The information that you get McIntosh MC-2301 will certainly help you make a decision on the purchase.
If you already are a holder of McIntosh MC-2301, 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 MC-2301.
However, one of the most important roles played by the user manual is to help in solving problems with McIntosh MC-2301. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device McIntosh MC-2301 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
