Coda No. 8M Mono Amplifier User manual

Category
Audio amplifiers
Type
User manual

This manual is also suitable for

SPECIFICATIONS
WARRANTY REGISTRATION
WARRANTY
OPERATION MANUAL
Monoblock Amplifier8M
2
4
6
5
3
INTRODUCTION
DESCRIPTION
DETAILED INSTALLATION
7
CARE&HANDLING
1
SAFETY PRECAUTIONS
8
!
CAUTION
CAUTION
WARNING
WARNING
1
SAFETY PRECAUTIONS
CAUTION -
-
-
-
-
CAUTION: TOPREVENT ELECTRIC
SHOCK,DONOT REMOVECOVER.
NOUSERSERVICEABLEPARTS
INSIDE,REFERSERVICING TO
QUALIFIEDSERVICEPERSONNEL.
THISSYMBOL IS TO ALERT YOUOF
THEPRESENCEOFUNINSULATED
DANGEROUSVOLTAGEWITHIN THE
UNIT'SENCLOSURE THAT MAY BEOF
SUFFICIENT MAGNITUDE TO
CONSTITUTE A RISKOFELECTRIC
SHOCK.
THISSYMBOL ISINTENDED TO ALERT
YOUOF THEPRESENCEOF
IMPORTANT OPERATING AND
MAINTENANCEINSTRUCTIONSIN THE
LITERATURE ACCOMPANYING THE
UNIT.
WARNING:TOPREVENT FIREORSHOCKHAZARD,DO
NOT EXPOSE THISUNIT TORAINOR
MOISTURE. TO AVOIDELECTRICAL SHOCK,DO
NOT OPEN THEUNIT.REFERSERVICING TO
QUALIFIEDPERSONNEL.
Neverinstallorremovethepowercordfromthechassis
unlessithasbeendisconnectedfromthe ACpowersource
first.
Neverpullonthepowercordwhenremovingitfroman AC
powersource.Graspitbytheplug.
Donotleavethepowercordconnectedtoan ACpower
sourceunlessitisconnectedtotheunit.
Itisrecommendthatduringextendedperiodsofnon-use
thattheunitspowercordbeunpluggedfromits ACpower
source.
Routethe ACpowercordsothatitwillnotbedamagedor
walkedon.
!
2
INTRODUCTION
Thisamplifierisaprecisiondevice,designedinanefforttoprovidethelistenerwith
unmatchedsoundquality,design,andconstruction.Inordertooperateyouramplifierproperly
andtorealizeallofthecapabilitiesoftheCONTINUUM8M,werecommendthatyouread
thisentiremanualcarefully.
3
DESCRIPTION
TheCodaContinuum8mamplifierisdesignedwiththesamelevelofthoroughnessusually
reservedforthefinestamplifiergainstages.Balancedinterconnectionsareprovidedtotake
advantageoftheirgreaternoiserejectiontheyprovide.Differentialvoltagegainthroughout
providesexceptionalrejectionofexternalnoiseandcontributestotheinherentDCstabilityof
thecircuit. ThisallowsdirectcouplingattheBalancedInputswithoutservocircuitry. Theunit
alsousesoutputfollowersoperatingwithoutfeedback.
Thefrontendisdesignedtoprovideaslewrateof50V/uswithoutenteringClassBoperation
asiscommoninmanyotherdesigns. Thiscombinedwithexcellenthighfrequencydesign
insureslinearoperationathighspeed. Thesuppliestakeaverydirectapproachtohigh
performance. A topquality3000VA toroidaltransformerwithindependentrectifiersandabout
80,000ufoftotalcapacitancewithverylowESRandinductanceareused.
Thecurrentstageiscapableofproducingcurrentsinexcessof100peak Ampereswitha
degreeoflinearityandspeedwhichisnotmatchedbyotherdesignswhenproducingonlya
fractionofthiscurrent. Thisisachievedbytheimplementationofseveraldistinctcircuit
features.
Eachofthetwobanksuses20individualoutputtransistorswithacombinedpowercapability
of3600Wattsand75 Ampswithabandwidthof10Mhz.
Thebiassectionisdesignedtoproduceaprecisiontransitionwithnoabruptchangesin
distortionoroutputimpedance. This PrecisionBiastechniqueyieldsseamlessperformance
regardlessofthecomplexityoftheloadimpedance.Withsuchlinearityandbandwidth,no
overallfeedbackcorrectionisused.Oneadvantageofthisisahighdegreeofimmunityfrom
interactionswithcomplexspeakerloadsorcables.
4
DETAILEDINSTALLATION
I.RearPanel
II.FrontPanel
Notethecorrectleftorrightchannelorientation. Thefunctionandchannelmarkingsonthe
rearpanelcorrespondtothefrontpanelcontrolsandtheirsignalpaths.
1. TheunbalancedorbalancedinputsshouldbeattachedtotheappropriateunbalancedOR
balancedoutputsofapreamplifier,eitherdirectlyorthroughacrossoverorprocessoras
appropriatetotheapplication.Onlyoneinput,balancedorunbalanced,shouldbeusedata
time.
2. Thenegativeandpositiveoutputsshouldbeattachedtocorrespondingspeakerterminals.
NOTE: Therearenooutputfusessoastoensurealowoutputimpedance.Speaker
protectionislefttothespeakermanufacturerastheywouldbestknowhowtoprotecttheir
speaker.
3. Themainpowerswitch,onceallappropriateconnectionsaremade,maybeleftonasthe
amplifierdrawsanegligibleamountofcurrentwhenthebiasisdisabled.
4. Thefuseandvoltageselectorhousesa5x20slow-blowfuseandvoltageselector
cartridge.Shouldthefuseblow,contactaCodadealerorcallCodadirectly.Whenchanging
thefuseoralteringthevoltageselectionbesuretheunitisdisconnectedfromits ACpower
source.
5. The AClineinputshouldbeattachedto ACpowerwiththecableincludedwiththe
amplifier.
1. Thebiasbuttonenablesanddisablestheamplifierbiasvoltage.Whenthebiasisdisabled
theamplifierismutedandwilldrawnopower,butthepowersupplywillremainenergizedand
readytooperate.
2. TheLEDinthecenterofthefrontpanelindicatesthebiasstate.
3. ThetwoLEDseithersideofthecenterLEDindicatetheamplifiersDCpowersuppliesare
workingcorrectly.Ifeitherlightshouldgoout,disconnecttheamplifierandcontactyourCoda
dealerorCodadirectly.
5
CARE&HANDLING
Theinterioroftheunitrequiresnospecialcare.Ifitbecomesnecessarytocleantheexterior,
asimpledustingmaybeallthatisrequired.Ifacleanerisnecessary,anydilutecommercial
ammoniabasedproductwillbeappropriate.NEVERuseanyabrasiverags,cleanersor
chemicalsolventsonCodaproducts.
Whenhandlingtheunit,takecarenottomarthealuminum. Aluminumisamediumhardness
metalandcanbescratchedbythehardertoolsteels.
Avoidexposingtheunittodirectsunlight,andkeepitawayfromsourcesofintenseheat.
Donotthrowawaythecartonorassociatedpackingmaterial. Theyareidealifyouneedto
packtheunitformovingandintheunlikelyeventthatservicingisneeded,theywillbe
necessaryforsafeshipment.
Besuretoprovideadequateinsurancewhenshipping.
6
SPECIFICATIONS
RATEDPOWER
BANDWIDTH
DISTORTION
GAIN
CURRENTCAPABILITY
SLEWRATE
INPUTIMPEDANCE
OUTPUTIMPEDANCE
NOISE
POWERSUPPLY
DIMENSIONS
WEIGHT
V2:
800Wattsinto8Ohms
1600Wattsinto4Ohms
Class A ~8Watts
V1:
500Wattsinto8Ohms
1000Wattsinto4Ohms
Class A ~16Watts
DCor-3dBat5Hzthrough100kHzdependingoninput
Lessthan.03%from10Hzto20kHzat500Watts(V1)into4through8Ohms
26dB
150 Amperespeak
50Volts/microsecond
50kOhmsunbalanced/10kOhmsbalanced
.04Ohmsfrom20Hzto20kHz
Morethan-110dBreferencedtoratedoutput
3.0kVA toroidaltransformerwithindependentrectifiersand80,000uFofcapacitance
Faceplate:17incheswideby5.5inchestall
Chassis:16.75incheswideby6inchestallby14inchesdeep
62lbs
7
WARRANTY
I.Warranty- AnyfailureoftheCodaproduct,hereafterknownastheproductororiginal
product,tooperateortomeetspecifications,applicableattimeofmanufacture,duetoa
manufacturingdefectorcomponentfailure,willbecorrectedbyCoda Technologieswithout
chargeforpartsorlabor,foraperiodoftenyearsfromdateoforiginalpurchase.Coda
Technologieswillprovideforsurfacetransportationtoandfromthefactoryforaperiodofone
yearfromdateoforiginalpurchase.
II.Procedure-IftheproductshouldrequireserviceunderwarrantycontactCoda
Technologiesatthelocationonthebackcoverofthismanualforshippinginstructions.
ProductspurchasedoutsideoftheUnitedStateswillbecoveredbythewarrantyconditions
extendedbytheimportingdistributorwhichmaydifferfromthosegivenabove.
III.ExclusionofCoverage-Coda Technologiesisnotobligatedtoservicetheproductin
certainconditions,asaccordingtothefollowingsubsections.
a. Theproducthasbeendamagedthrough:
i.operationnotinaccordancewiththeinstructionsinthismanual
ii.abuse,tampering,modificationoraccident
iii.serialnumberdefacement
B.
c. TheproducthasbeentransportedoutsideoftheUnitedStatesof America.
IntheseconditionsanyservicewillbemadeatCoda Technologiessoleoption.
IV. TotalLossandReplacement-Iftheproductissubmittedforserviceduetoasevere
malfunctionwhichhascauseddamagesufficientenoughtomakearepairattemptinfeasible,
theproductwillbereplacedwithanotherunitofequalorsuperiorspecifications.Coda
Technologiesproductlineisfrequentlyupdatedandchanged,andthespecificmodeland
versionoftheoriginalproductmaybediscontinuedatanytimewithoutnotice.Inthiscaseno
guaranteesaremadethatthereplacementunitwillbevisuallysimilartotheoriginalproduct.
V.SubjectiveDifferences-Noguaranteeismadethattheproductwillperformtoany
specificationsthatcannotbemeasuredandconfirmedwithprecisionaudioanalysis
equipment.Coda Technologiesisonlyobligatedtomakerepairswhichwillbringtheproduct
intocompliancewiththespecificationsstatedinthismanual.
VI.UnnecessaryService-Inallconditions,iftheproductissubmittedforserviceandfound
tobeoperatedwithoutfaultandwithinspecifications,shippingchargeswillbebilledtothe
customer.
Thiswarrantygivesyouspecificlegalrights. Youmayhaveotherrightswhichvaryfromstate
tostate.
Disclaimer-Coda Technologiescannotbeheldresponsibleforanydamagecausedbytheir
products,includingbutnotlimitedto:
a.DamagetospeakerscausedbyfailureofaCoda Technologiesproducttomute
ordisableitselfasexpectedordescribedinitsmanual.
b.DamagecausedbyconnectingaloadtoaCoda Technologiesproducthaving
animproperimpedanceasdescribedintheproductsmanual.
c.Damagecausedbydefectsindesign,constructionorcomponentquality.
Theproducthasbeentransferredtoathirdparty.Inthiscasethewarranty
Iisvalidfor5yearsfromdateofmanufactureasdeterminedfromtheserialnumber
8
WARRANTY REGISTRATION
FillinthisregistrationsheetandfaxormailittoCoda Technologiestoensureyouareinour
warrantysystem. Thiswillfacilitatewarrantyserviceshoulditbecomenecessary.
Itisrecommendedthatyouretainacopyofthisformforyourownrecords.Coda
Technologiesaddressandfaxnumberarelocatedonthebackofthismanual.
MODEL DESIGNATION:
SERIAL NUMBER:
DATEOFPURCHASE:
PLACEOFPURCHASE
OWNERINFORMATION
NOTES:
Name:
Address:
City: State: Zip:
Phone:
Name:
Address:
City: State: Zip:
Phone:
9
WARRANTY REGISTRATION
FillinthisregistrationsheetandfaxormailittoCoda Technologiestoensureyouareinour
warrantysystem. Thiswillfacilitatewarrantyserviceshoulditbecomenecessary.
Itisrecommendedthatyouretainacopyofthisformforyourownrecords.Coda
Technologiesaddressandfaxnumberarelocatedonthebackofthismanual.
MODEL DESIGNATION:
SERIAL NUMBER:
DATEOFPURCHASE:
PLACEOFPURCHASE
OWNERINFORMATION
NOTES:
Name:
Address:
City: State: Zip:
Phone:
Name:
Address:
City: State: Zip:
Phone:
7850CUCAMONGA AVENUE#34
SACRAMENTO,CA 95826USA
phone
onthewebat
emailusat
fax
+01916.383.3653 +01916.455.3653
CODA.CC
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Coda No. 8M Mono Amplifier User manual

Category
Audio amplifiers
Type
User manual
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