turntableon/offswitch.WhenACpowertotheturn-
tableisturnedon,automaticallytheinstrumentand
theSWITCHEDblackACpoweroutletsareturned
on.Thesystemwillremainonuntiltheturntableis
turnedoff.ThePOWERONpushbuttoncontrolsthe
ACpowerforanysourceotherthantheturntable.
IntheMANUALpositiononlythePOWERON
pushbuttonwillturnACpoweronoroff.
Someturntableshaveelectroniccircuitsthat
drawcurrentallthetime.Tousetheseturntablesthe
AUTO/MANUALswitchmustbeintheMANUAL
position.WiththeAUTO/MANUALswitchinthe
MANUALposition,ACpowertothesystemwillbe
controlledbythefrontpanelPOWERpushbuttononly.
FUSES
A5-ampfuseprotectstheMA6200circuits.The
fusedoesnotprotectadditionalequipmentcon-
nectedtotherearpanelACpoweroutlets.A one
ampfuseprotectstheturntableautooncircuit.If
thisfusefails,powertothegreenoutletswillbein-
terrupted.
CONNECTINGLOUDSPEAKERSFORSTEREO
Allspeakersareconnectedtothepushconnec-
torsontherearpanel.Whenstereospeakershave
beenconnectedtotheproperpushconnectors,the
correspondingfrontpanelpushbuttonsturnthe
speakersonoroff.
Selectionofthepropergaugewiretoconnectthe
loudspeakerspreservesthequalityofsoundrepro-
ductionforwhichtheloudspeakershavebeende-
signed.Ifundersizewireisused,resistanceisadded
totheamplifier/loudspeakercombinationwhich
adverselyaffectstheperformance.Addedresis-
tancecausesreductionofdampingcharacteristics,
modificationoffrequencyresponseandreductionin
poweroutput.
Uselampcord,bellwire,orwirewithsimilartype
ofinsulationtoconnectthespeakerstotheam-
plifier.Inallcases,theleadstoandfromthespeaker
shouldbetwinconductorortwistedtogether.When
using8 ohmspeakersandforthenormallyshort
distancesofunder30feetbetweentheamplifierand
speaker,No.18wireorlargercanbeused.For
distancesover30feetbetweentheamplifierand
speakeruselargerdiameterwire.Selectthecorrect
sizewireforthewirelengthfromthechart.Itis
recommendedthattheDCresistanceofthespeaker
leadsbelessthan5%ofthespeakerimpedance.Up
to10%canbetolerated.Resistanceoftheleads
shouldbecomputedforthelengthofwirebothto
andfromthespeakerorspeakers.
Formultiplespeakeroperation,runseparate
leadsfromtheamplifiertothespeakers.
CONNECTINGONELOUDSPEAKERFORMONO
TheleftandrightoutputsoftheMAC6200mustcon-
necttoseparateloudspeakers.Donotparallelthe
outputconnectionsfora singleloudspeaker.Ifthe
leftandrightoutputsareconnectedtogetherex-
cessiveheatisgeneratedinthepoweramplifiers
whichcausesdamageeventhoughtheMODE
SELECTORpushbuttonisintheMONOposition.If
youwishtodrivea singleloudspeaker,putthe
MODESELECTORinMONOandconnecttheloud-
speakertotheleftortherightspeakerpushconnec-
torsonly.Itisnotnecessarytoconnecta loadtothe
otherchanneloutput.
CONNECTINGA MclNTOSHEQUALIZER
OntheJUMPERpanel,removethejumpersbet-
weenthePREAMPOUTjacksandpowerAMPINput
jacks.Theenvironmentalequalizerisconnectedbet-
weenthesejacks.Usestandardshieldedcables.
ConnectthePREAMPOUTtotheinputofthe
equalizer.Connecttheoutputoftheequalizertothe
powerAMPINputjack.
MAXIMUMWIRELENGTHS
Wire
Gauge
22
20
18
16
14
12
10
For4 OhmLoad
Feet
6
10
15
25
40
60
100
Meters
1.8
3.1
4.6
7.6
12.2
18.3
30.5
For8 OhmLoad
Feet
12
20
30
50
80
120
200
Meters
3.7
6.1
9.1
15.2
24.4
36.6
66.0
Wirelengthsaboverepresentthewireresistanceequalto5%
ofthespeakerimpedance.
6
Connecttheleadsfromtheleftmainloudspeaker
totheSPEAKER1 LeftandCommonpushconnec-
tors.Connecttheleadfromtherightmain
loudspeakertotheSPEAKER1 RightandCommon
pushconnectors.Connecttheleadsfroma second
leftloudspeakertotheSPEAKER2 LeftandCom-
monpushconnectors.Connecttheleadfroma se-
condrightloudspeakertotheSPEAKER2 Rightand
Commonpushconnectors.Connecttheleadsfrom
athirdleftloudspeakertotheSPEAKER3 Leftand
Commonpushconnectors.Connecttheleadfroma
thirdrightloudspeakertotheSPEAKER3 Rightand
Commonpushconnectors.
ThepushconnectorontheMA6200willacceptup
to16gaugewire.Whenlargerwireisuseditwillbe
necessarytosplicea shortlengthof16gaugewire
totheendsoftheheavierwiretomakeconnections.
Asimilararrangementmayberequiredtoconnectat
thespeakers.
