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  6. No. 8M Mono Amplifier

Coda No. 8M Mono Amplifier, Continuum No. 8 Amplifier User manual

  • Hello! I've reviewed the operation manual for the CODA Monoblock Amplifier 8M and am ready to assist you. This manual provides detailed information on safety precautions and proper installation. It also covers maintenance and specifications. Feel free to ask any questions you have about the amplifier's operation or features.
  • What should I do if the front panel LEDs for the DC power supplies go out?
    Can I use either the balanced or unbalanced input at the same time?
    Does the amplifier have internal output fuses?
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Bias”technique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
Technologies’address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
Technologies’address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
[email protected]
/