C29PERFORMANCELIMITS
PERFORMANCELIMITS
Performancelimitsarethemaximumdeviationfromperfection
permittedfora McIntosh
instrument.
Wepromiseyouthatwhen
youpurchasea newC 29froma McIntosh
Franchised
dealerit
willbecapableofperformanceatorexceedingthese
limits
or
youcanreturntheunitandgetyourmoneyback.McIntoshis
theonlymanufacturerthatmakesthisstatement.
PERFORMANCE
FREQUENCY
RESPONSE
+0 - 0.5dB20Hzto
20,000
Hz
DISTORTION
.02%maximumatratedoutputlevel,20Hzto20,000Hz
INPUTSENSITIVITYANDIMPEDANCE
Auxiliary,TUNER,TAPE1,TAPE2,0.25voltsat100,000ohms;
PHono1 andPHono2,2 millivolts(1,000Hz)at47,000ohmsand65
pF;Microphone,2.5millivoltsat10,000ohms
HUMANDNOISE
Auxiliary,TUNER,TAPE1,TAPE2,
IHFA
100dB,unweighted90dB
belowratedoutput;PHono1,PHono2
IHFA
90
dB,unweighted
80
dB
below10millivoltsinput,equivalenttolessthan1.0microvoltatthe
inputterminals;Microphone,1.5microvoltsattheinput
terminals.
OUTPUTLEVELANDIMPEDANCE
MAIN:2.5volts
with
ratedinput,lessthan100ohmssourceim-
pedance,tooperateinto10,000ohmsorgreater
TAPE:0.25voltswithratedinput,lessthan200ohmssourceim-
pedance,tooperateinto10,000ohmsorgreater
HEADPHONE/LINE:
0.75voltsinto8 ohmloador2.5voltsinto600
ohmline,47ohmsourceinpedance,level
controls
provided
VOLTAGEAMPLIFICATIONINDECIBELS
Auxiliary,TUNER,TAPE1 andTAPE2
toMAINOutput
20
dB
to
TAPEOutput
OdB
toHEADPHONE/LINEOutput30dB
PHono1 andPHono2 at1 kHz
toMAINOutput62dB
toTAPEOutput42dB
toHEADPHONE/LINEOutput72dB
MICrophone
toMAINOutput60dB
toTAPEOutput40dB
toHEADPHONE/LINEOutput70dB
GENERALINFORMATION
SEMICONDUCTORCOMPLEMENT
9IntegratedCircuits
2Transistors
11SiliconDiodes
8LightEmittingDiodes(LED)
1Silicon
Controlled
Rectifier(SCR)
1DualLightDependentResistorNetwork(LDR)
POWERREQUIREMENT
120volts,50/60Hz,45watts
FACILITIESANDFEATURES
BASS
CONTROLS
Separate11positionrotaryswitchesforeachchannel,+20dB
to
-20
dB
at
20Hz
TREBLECONTROLS
Separate11positionrotaryswitchesforeachchannel,
+18
dBto
-18
dB
at20,000Hz
BALANCECONTROL
Naturalbalanceatcenterposition,attenuationofleftorrightchan-
nelbyrotatingcontrol
PRECISETRACKINGVOLUMECONTROL
Aprecisionstepvolumecontrolwithlefttorighttrackingaccuracy
within1 dBthroughitsentirerange.
SIXSOURCEINPUTSELECTOR
Auxiliary1 and2,TUNER,PHono1 and2,MICrophone
MODESELECTOR
Sevenpositions:Leftchannelonlytobothspeakers,Rightchannel
onlytobothspeakers,StereoReverse,Stereo,Mono,L + R toleft
speakeronly,andL + R torightspeakeronly
TAPEMONITORSWITCHES
Twopushbuttonswitches.Eitheroftwotaperecorderscanbe
monitoredbyselectingtheTAPE1 pushbuttonorTAPE2
pushbut-
ton.Theyaremechanicallyinterlockedtoacceptonlyonepushbut-
tonattheINpositionatonetime.
TAPECOPYSWITCHES
Twopushbuttonswitches.Eitheroftwotaperecorderscanbecon-
nectedtocopyfromtaperecorder1 totaperecorder2 orviceversa.
Theyaremechanicallyinterlockedtoacceptonlyonepushbuttonat
theINpositionatonetime.
LF
-
HFFILTERS
Reduceunwantedhighfrequencynoise(above7 kHz)andlow
fre-
quencyrumbleetc.(below50
Hz)
at12dBperoctaverate.
FRONTPANELTAPEJACKS
Allowsconnectiontoinputandoutputofa taperecorderfromthe
frontpanel.Insertingplugsintothefrontpaneljacksdisconnects
theTAPE2 circuitsfromtherearpanelandusestheTAPE2 facilities
forthefrontpaneljacks.
HEADPHONEJACK
Forlisteningwitheitherloworhighimpedancedynamicstereo
head-
phones.PowertothisjackissuppliedbyanamplifierintheC 29.
Headphonelisteningcanbe
accomplished
withouttheuseofanex-
ternalpoweramplifier.
SPEAKERSWITCHES
(Operateswithaccessoryspeakercontrolrelay)TurnTwosetsof
speakersonoroffwhenproperlyinterconnected
with
theaccessory
speakercontrolrelay(theMcIntosh
SCR
2).
MAIN
OUTPUTLEVEL
CONTRpLS
Permitsthebalanceoftheentiresystemtobeconvenientlypreset.
HEADPHONE&LINEOUTPUTLEVELCONTROLS
AdjuststhelevelandbalanceoftheHEADPHONE/LINEoutput.
MECHANICALINFORMATION
SIZE
FrontPanelmeasures16incheswide(40.6cm)by5 7/16incheshigh
(13.8cm).Chassismeasures143/4incheswide(37.5cm)by4 13/16
incheshigh(12.2cm)by13inchesdeep(33.0cm),includingPANLOC
shelf
andbackpanelconnectors.Knobclearancerequiredis1 1/4
in-
ches(3.2cm)infrontofthemountingpanel.
FINISH
Frontpanelis
anpdized
goldandblackwithspecialgold/teal
nomenclatureillumination.Chassisisblack.
MOUNTING
ExclusiveMcIntoshdevelopedprofessionalPANLOC
WEIGHT
19pounds(8.6kg)net,31pounds(14.1kg)inshippingcarton
Thecontinuousimprovementofitsproductsisthepolicyof
McIntoshLaboratoryIncorporated,whoreservestherighttoimprove
designwithoutnotice.
FRANCHISEDDEALER:
MCINTOSHLABORATORYINC.
2CHAMBERS
ST.,
BINGHAMTON,N.Y.13903
607-723-3512
039138
Printed
m
U.S.A
