Go to page of
A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of McIntosh C48, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of McIntosh C48 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of McIntosh C48. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of McIntosh C48 should contain:
- informations concerning technical data of McIntosh C48
- name of the manufacturer and a year of construction of the McIntosh C48 item
- rules of operation, control and maintenance of the McIntosh C48 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of McIntosh C48 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of McIntosh C48, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the McIntosh service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of McIntosh C48.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the McIntosh C48 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
-
Page 1
McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, New Y ork 13903-2699 Phone: 607-723-3512 www .mcintoshlabs.com C48 Au dio P rea mpl ifier Owner ’ s Manual[...]
-
Page 2
2 The lightning ash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s en - closure that may be of sufcient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to al[...]
-
Page 3
3 Y ou r decision to o w n t his McIntosh C48 Audio Pre- amplif ier ran ks you a t t he v er y top a mong discr i m i- nati ng music listener s. Y ou now ha ve “The Best. ” T he Mc Intosh ded ication to “Qu alit y , ” is a ssu ra nce t hat yo u wi ll rec eiv e many year s o f musical enj oyment f rom th is u n it. P lease t a ke a sho r t t[...]
-
Page 4
4 Data P or t Connectors The C 48 Data O ut P or t s send Remote Control S ign als to Sourc e Components. A 1/ 8 inch ster eo m in i phone p lug is used for con nection. General Infor mation and Connector Infor mation Connector and Cable Informat ion X LR Connectors Bel ow is the Pin con f i g u r ation fo r t he XLR Bala nced Input and O ut put Co[...]
-
Page 5
5 Introduct ion Per formance Features Introduct ion and Per formance Features The McIntosh C48 A ud io Prea mplif ier is one o f t he f i nest P rea mplif iers ever cre ated. T he versat ile Prea m- plif ier provides con nect ions f or var ious i nput sources both a nalog and digital. T he C48 Out puts hav e the ability t o d r iv e multiple P ow e[...]
-
Page 6
6 Dimensions Dimensions The fo llowing d imen sions can assist i n deter mi n ing the best locat ion f or your C 48. There is a dditional in form ation on the next page per t ai n ing to i n sta lli ng the C48 i nto cabinets. 17- 1/2 " 44.45cm 13 - 1/4 " 33.66cm 17- 1/8 " 43.50cm 3/16 " 0.48cm 13/16 " 2.06cm 10- 9/16 "[...]
-
Page 7
7 Installation Installation The C 48 can be placed upr ight on a t abl e or she lf, sta ndi ng on its four feet. I t also ca n be cust om in- stal led in a piece of fu r nit u re or cabinet of y ou r cho ice. The fo u r feet may be remo ved f rom the bot tom o f t he C48 when it is custom in sta lled as outli ned be - lo w . T he four feet together[...]
-
Page 8
8 Rear P anel Connect ions The identif ication o f Rear Panel Connec tions for the C48 Audio Preamplif ier is located on a separ ate fo lded sheet contai ned i n the O w ner’ s Ma nual Packet. Re fer to sepa r ate sheet “ Mc2B ” for the Rear Panel Con ne ct ions. Rear P anel Connect ions C48 A udio Preamplif er Rear Pane l[...]
-
Page 9
9 Connecting Components Connecting Components The C 48 has t he ability t o automatically switch pow er On / Of f to Sour ce Components via t he P ow er Cont rol con nect ions. The Data Por t Con nect ions allo w for the remote ope rat ion o f ba sic fu nct ions using t he C48 Remote Control. W ith an exte r nal sensor con nec ted to the C 48, remo[...]
-
Page 10
10 Displays On Sc ree n Fu nct ions on t he Mc I ntosh Music Ser ver and a va r iet y of other McIntosh Comp onent s Remote Control P ush- But tons Pre ss t o Po wer the C 48 ON Selects one of the eight available A ud io Sour ces Selects a Di sc Play er, Music Ser ver or Recorde r Func tion. Se ek Sta - tions Up or Dow n t he A M / F M Dial. Select[...]
-
Page 11
11 How to use the Remote Control How to use the Remote Control The supplied H R0 72 R emote Cont rol is capab le o f di rect ly controlling t he f u nct ions o f contempora r y Source Components c on necte d to t he C48 via t he Data Po r t s. Note: I f at any t im e the C48 see ms u nre spon sive to HR07 2 Rem ote Cont rol Co mma nd s pre ss the P[...]
-
Page 12
12 IR Se ns or receives com ma nd s f rom a Remote Cont rol ST A N DB Y /O N Pu sh- but ton w ith ind icator, switches the C 48 ON or OFF ( Sta ndby ) and r eset s the m icrop roce ssor s V OLUM E C ont rol allows adjust me nt of the list en i ng leve l for both cha n nels Con ne ct ion for l ow imp ed a nce dy n am ic head phones, for pr ivate li [...]
-
Page 13
13 Pu sh-butt on the Set up Menu wil l advance t o the next Men u Selection. Re fer to f igu re 3. 4. T o exit f rom the Set up Mode, press t he EQ B Y - P ASS/ SETU P P ush-but ton. T he LED abo ve the TR IM P u sh-button w ill ext i ng uish a nd the Fro nt Panel Disp lay will rever t ba ck to its nor mal d is- pla y . Re fer to f ig u re 1 . Y ou[...]
-
Page 14
14 1 . Pre ss and hol d t he EQ B Y P ASS/S ETU P P u sh- button u nt il the Set up Mode is act ive . The n press the OUT PUT 2 / ME N U ► P u sh-button t o sel ect the Set up Menu item “SETU P: S OURCE IN PUT , TU N ER :R CA ” . Re fer to f igu re 4. 2. Rotate the I NPUT Cont rol unti l “CD2 : R CA ” appea rs on t he F ront Panel Infor m[...]
-
Page 15
15 4. R otate t he I N PUT Cont rol unti l “LEV EL : SR V R _._ ” appe ar s on the Fron t Panel Infor mat ion Displa y . The il lust r ation in f igu re 1 0 i ndicates a - 2 .5dB dec rease i n t he SR V R Level to match the v olume lev el o f t he CD I nput. 5 . Rep eat ste p 4 for o the r Inputs w ith component source s con nect ed u ntil t he[...]
-
Page 16
16 appea rs on t he F ront Panel Alphanumer ic Display . Re fer to f igu re 1 4. 3 . Pres s the EQ B Y P ASS/ SETU P P ush-but ton to exit the Set up Mode. 5 . Rotat e the V OLUM E/ ADJUST Con t rol unti l “ A c- tion: SO U R CE” appea rs. Ref er to f igu re 1 7 . 6. Then pres s the OUT PUT 2 / M EN U ► P u sh- button u nt il the Set up Menu [...]
-
Page 17
17 C. Pre ss t he 3, 2, 4, 2 and 9 P ush -but ton s w ith i n 5 sec onds. D . T he “Mc” Pu sh- but ton f lashes t w ice. Note: T o re set the Re mote Con tr ol to nor mal code s pe r form s tep s A and B th en e nte r 3, 2, 4, 2 and 8 for ste p C . 5 . P res s the V OLUM E U P / D O W N Pu sh-butt on on the Remote Control to verif y proper ope [...]
-
Page 18
18 P ow er On and Off The Red LED abov e the ST A N DB Y /ON Push-but ton lights to i ndicate t he C48 is i n Sta ndby mode . T o switch ON the C48, press t he S T A N DB Y /ON Push- button on t he F ront Pane l or the ( Po wer On ) Pu sh-butt on on the Remote Control. The C48 wi ll go th roug h a br ief star t up i nitial iz ation with t he F ront[...]
-
Page 19
19 ance pe r form t he fo l lo wi ng: 1 . Pre ss the T R I M P u sh-button re peat edly on the Remote Control until “ B A LA NCE 0 d B” appear s on the Fro nt Panel Infor mation Display . Re fer to f ig u re 54. Note: The Front Panel T R I M Push -b ut ton toget her with the OUT PUT 1 / OUTPUT 2 / ◄ M EN U ► Push- b ut ton s ma y also be u [...]
-
Page 20
20 Af t er approxim ately 4 seconds the A lphanume r ic Displa y ret u r ns to i ndicate the Sou rce Sel ect ion and V ol u me Level . Mono Pre ss the Fron t Panel M ON O Pu sh-butt on to change f rom Stereo to Mono Mode f or the cu r rently se lected I nput Source. T he LED abo ve the MO NO Push-but ton w ill i l- lum i nate. Re fer to f i g u re [...]
-
Page 21
21 outputs ( Mai n , Out put 1 , O ut put 2 and Headphones ) ex cept t he R EC OUT PUT . T he Fron t Panel Infor ma- tion Displa y wi ll i ndicate t he Source Name and t he w ord M U TE i n place of the act u al vo lu me set t ing. Re fer to f igu re 70 . Pre ssing the Mute Pu sh-butt on a second ti me or adjusti ng the vo lume cont rol ( either t [...]
-
Page 22
22 The il lust r ation to the r ight sho ws the f u nd a mental f requency r ange of acoustical musical inst r u ments and the hum an voi ce. I t also show s t he ra nge o f a djust ment o f f re quencies f or each of the Equ ali zer Cont rols o f the C48 at t he +6d B a nd - 6d B p oints. Passthr u W hen t he C48 is con necte d together with a McI[...]
-
Page 23
23 Reset of Micropr oce ssors In t he u nl i ke ly ev ent t he controls o f the C 48 stop f u nc- tioni ng, the m icroprocessors ca n be re set by per form- ing t he f ollo wi ng: 1 . Pre ss and hol d t he S T A N DB Y /ON Push-but ton for approximately ten second s and t hen release. 2. T o switch the C 48 back on press the O n ST AN D - B Y /O N [...]
-
Page 24
24[...]
-
Page 25
25 Photos[...]
-
Page 26
26 Specif icat ions Specif icat ions Frequen cy Response +0, - 0.5 d B f rom 20Hz to 20,000H z +0, - 3dB f rom 1 5Hz t o 1 0 0, 0 00H z T otal Har monic Distor t ion 0. 0 02% from 20Hz t o 20, 00 0H z Rated Out put (Ma in ) 2.5V Unb ala nced , 5V Balance d Max imum V olt age Output 8V RMS Unbalanced, 1 6 V R MS Balance d Sensit iv it y ( for ra te [...]
-
Page 27
27 Packi ng Instr uct ions Packi ng Instr uct ions In t he event i t is necessa r y to repa ck the equipment for shipment, the equ ipment must be packed exactly as sho w n belo w . It is v er y impor ta nt that t he fo u r plas- tic feet are at t ached to t he bot tom o f t he equipment. Th is w ill e nsu re t he proper e quipment location on the b[...]
-
Page 28
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 www .mcintoshlabs.com McIntosh Part No. 04122801[...]