SST Ampzilla 2000 II Manuale utente

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USERMANUAL

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What’sIncluded

●Ampzilla2000SecondEditionmonoampliﬁer

●UserManual

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©SpreadSpectrumTechnologies.Allrightsreserved

Ampzilla2000SecondEditionManualV1

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ImportantSafeguards

●Allthesafetyandoperatinginstructionsshouldbereadbeforethisproductisoperated.

●Thesafetyandoperatinginstructionsshouldberetainedforfuturereference.

●Allwarningsontheapplianceandintheoperatinginstructionsshouldbeadheredto.

●Followallinstructions.

●Theapplianceshouldnotbeusednearwaterormoisture–forexample,inawetbasementorneara

swimmingpool,andthelike.

●Cleanonlywithdrycloth.

●Donotblockanyventilationopenings.Installinaccordancewiththemanufacturer’sinstructions.

●Donotinstallnearanyheatsourcessuchasradiators,heatregisters,stoves,orotherapparatus(including

ampliﬁers)thatproduceheat.

●Donotdefeatthesafetypurposeofthepolarizedorgroundingplug.Apolarizedplughastwobladeswith

onewiderthantheother.Agroundingplughastwobladesandathirdgroundingprong.Thewidebladeor

thethirdprongisprovidedforyoursafety.Iftheprovidedplugdoesnotﬁtyouroutlet,consultanelectrician

forreplacementoftheobsoleteoutlet.

●Protectthepowercordfrombeingwalkedonorpinchedparticularlyattheplugs,conveniencereceptacles,

andatthepointwheretheyexitfromtheapparatus.

●Unplugthisapparatusduringlightningstormsorwhenunusedforlongperiodsoftime.

●Referallservicingtoqualiﬁedpersonnel.Servicingisrequiredwhentheapparatushasbeendamagedinany

waysuchasthepowercordorplugisdamaged.Otherdamagemayoccurifliquidorobjectshavebeen

droppedorspilledintotheapparatus.Droppingtheapparatus,exposuretorain,andexcessivemoisture

maycauseadditionaldamage.

●Keeptheunitinawellventilatedenvironment.Ensureatleast4”clearancearoundtopandsides.

●CAUTION:Theseservicinginstructionsareforusebyqualiﬁedservicepersonnelonly.Toreducetheriskof

electricshock,donotperformanyservicingotherthanthatcontainedintheoperatinginstructionsunless

youarequaliﬁedtodoso.

●WARNING:Toreducetheriskofelectricshock,donotexposethisapparatustorainormoisture.The

apparatusshallnotbeexposedtodrippingorsplashingandthatobjectsﬁlledwithliquids,suchasvases,

shallnotbeplacedonapparatus.

●WARNING:Themainsplug/appliancecouplerisusedasdisconnectdevice,thedisconnectdeviceshall

remainreadilyoperable.

©SpreadSpectrumTechnologies.Allrightsreserved

Ampzilla2000SecondEditionManualV1

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●Thelightningﬂashwitharrowheadsymbolwithinanequilateraltriangleisintendedtoalerttheusertothe

presenceofnon-insulated“dangerousvoltage”withintheproduct'senclosurethatmaybeofsufﬁcient

magnitudetoconstituteariskofelectricshock.

●Nonakedﬂamesources,suchaslightedcandles,shouldbe

placedontheapparatus.

●WARNING:Theterminalsmarkedwithsymbolof“+/-“may

beofsufﬁcientmagnitudetoconstituteariskofelectric

shock.Theexternalwiringconnectedtotheterminals

requiresinstallationbyaninstructedpersonortheuseofreadymadeinsulatedleadsorcords.

●CorrectDisposalofthisproduct.Thismarkingindicatesthatthisproductshouldnotbe

disposedwithotherhouseholdwastesthroughouttheEU.Topreventpossibleharmtothe

environmentorhumanhealthfromuncontrolledwastedisposal,recycleitresponsiblyto

promotethesustainablereuseofmaterialresources.Toreturnyouruseddevice,pleaseuse

thereturnandcollectionsystemsorcontacttheretailerwheretheproductwaspurchased.

Theycantakethisproductforenvironmentallysaferecycling.

●Keepyourpackaging!Itiscustommadeforyourunitandwilleffectivelyprotectitforpossiblefutureuse.

●Besuretoregisteryourproduct.Itisveryimportanttocompletethewarrantyregistrationformlocatedon

ourwebsite.Completeandsubmittheformwithin30daysofpurchasetoactivateyourwarranty.

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FCCWarning

ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15of

theFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidential

installation.

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Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordance

withtheinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethat

interferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioor

televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto

correcttheinterferencebyoneormoreofthefollowingmeasures:

●Reorientorrelocatethereceivingantenna.

●Increasetheseparationbetweentheequipmentandreceiver.

●Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.

●Consultthedealeroranexperiencedradio/TVtechnicianforhelp.

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Caution:Anychangesormodiﬁcationstothisdevicenotexplicitlyapprovedbymanufacturercouldvoidyour

authoritytooperatethisequipment.

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Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)This

devicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,including

interferencethatmaycauseundesiredoperation.

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ThedevicehasbeenevaluatedtomeetgeneralRFexposurerequirement.Thedevicecanbeusedinportable

exposureconditionwithoutrestriction. 

©SpreadSpectrumTechnologies.Allrightsreserved

Ampzilla2000SecondEditionManualV1

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Contents 

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Section

Page

Introduction

6

NoteworthyFeatures

7

FrontPanelLayoutandDeﬁnitions

8

UsingYourAmpzilla2000SecondEditionAmpliﬁer

9

Connections

10

Speciﬁcations

11

WarrantyCoverage

12-14

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Ampzilla2000SecondEditionManualV1

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Introduction

TheAmpzilla2000SecondEditionembodiesstate-of-the-artexecutionofamonoblockpowerampliﬁer.Onthe

muscleside,theAmpzillausestwelve250-wattoutputdevicesanda2000VAcustomdesignedandbuilt

transformerforeachmonoblock.Aswell,eachmonoblockhas100,000µfofpowersupplyﬁlteringwithdual

rectiﬁcation.UtilizingacompletelynewvariationofourForwardGaintopologytoachieveunprecedented

improvementsinlinearity,thenewcircuitissosmooththatitcanactuallybelistenedtoopenloopwithoutfeedback.

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TheAmpzilla2000SecondEditionisconservativelyratedat300wattsinto8Ωand540wattsinto4Ω,andisstable

below1Ω.Withthismuchpower,apaircandrivethemostdemandingspeakerloadstothunderouslevelsasdeftly

astheycanwhisperthemostdelicatenotesfromhighersensitivityspeakers.

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Theentirecircuitisfullybalancedfrominputtooutputandincludesauniquenewunbalanced-to-balanced

converterforsingle-endedinputs.Thecaptiveindustrial-grade12gaugepowercordisselectedspeciﬁcallyforthe

Ampzillaandisweldedonformaximumconductivityandsecurity,eliminatingthehassleorexpenseofaftermarket

cords.TheAmpzilla2000SecondEditionalsosportsasecondsetofbindingpostsforbi-wiringor-ampliﬁcation.In

sum,thisproﬁcientpowerhouseisthelastampliﬁeryou’lllikelyeverneed.

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WehopeyouenjoyyournewAmpzilla(s).

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©SpreadSpectrumTechnologies.Allrightsreserved

Ampzilla2000SecondEditionManualV1

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NoteworthyFeatures

TheAmpzilla2000SecondEditionisaremarkablepowerampliﬁerinmanyways.Belowaresomehighlights.

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●Theentireampliﬁercircuit(exceptthepoweroutputstages)iscontainedononemaindrivecardwhichalso

containstheinputjacks.Thisensuresthattheampliﬁerisupgradeablewithfuturecircuitimprovements

●100%stableatanyloadangle0-90degrees,capacitiveorinductive,regardlessofwaveshape

●Extremelycapable300wattsinto8Ω,540wattsinto4Ω

●Fullybalanceddesign

●Protectionpowerswitch/circuitbreaker

●FourDCpowersupplyfuseswithredLEDindicators(ontopplate)

●All-steel14gaugechassiswithpowdercoatﬁnish

●Frontpanel“Peak”,“Thermal”and“Power”LEDindicators

●Turn-ondelayandsurgerelayprotection

●Custom-designedpowertransformers,constructeddomestically

●Highestqualitygoldplatedinputandoutputjacks

●Goldplatedinternalconnectors

●Captive12gaugepowercordwithweldedconnectors

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©SpreadSpectrumTechnologies.Allrightsreserved

Ampzilla2000SecondEditionManualV1

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

FrontPanelLayoutandDefinitions

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1. “PEAK”LEDIndicator

IndicatestheAmpzillaisbeingoverdrivenandpeaking(clipping)isoccurring. 

2. “THERMAL”LEDIndicator

IndicatestheAmpzillaistoohotandauto-shutoffwilllikelyoccur.Theampliﬁerwillresetafteritcoolsto

acceptableoperatingtemperature.

3. “POWER”LEDIndicator

IndicatestheAmpzillaispoweredon.

4. On/OffSwitch

 

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Ampzilla2000SecondEditionManualV1

8

UsingYourAmpzilla2000SecondEditionAmplifier

MuchthoughtwasputintothedesignoftheAmpzillaampliﬁerwithrespectnotonlytosound,butreliability.Itis

builttoaveryhighdegreeofcraftsmanshipandintendedtobestableandtrouble-freeforyearstocome,evenunder

themostdemandingloads.However,itisapowerfulandfullydifferentialbalancedampliﬁerwithcompletelyﬂoating

outputs.Assuch,specialprecautionsmustbeobservedforproper,safeoperation.

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Pleaseread,understandandobservethefollowing. SSTwillnotbeheldresponsiblenoracceptanyrepairsunder

warrantyduetoconsumernegligence,oversightorimproperusage.

●Neverattemptusingcommongroundsintheampliﬁeroutputconnections.Doingsowilllikelyresultina

blownfuse.

●Neverattemptto“bridge”thisampliﬁerasnoincreaseinpowerwillresult.TheAmpzillais,bydesign,a

balancedbridgecircuit.

●EnsurethepowerswitchontheAmpzillaisswitchedtoOFFwheneitherpluggingorunpluggingtheAC

powercordfromyourmainACinlet,ordamagemayoccur.

●Donotdefeatthethirdwiresafetyground.CuttingofftheroundgroundpinontheACplugautomatically

voidsthewarranty.AnydamagetotheAmpzilladuetoimpropergroundingalsovoidsthewarranty.

●SincetheAmpzillahasnofan,itisimportantthatyouallowforadequate,unrestrictedspaceforventilation

aroundallsidesoftheunit.Overheatingmaycausethermaloverload(indicatedbythe“THERMAL”indicator

lightonthefrontpanel)whichwillresultintheshutdownoftheampliﬁeruntilthetemperaturereturnsto

normallevels.



Turn-ondelayandsurgerelayprotection

BeawarethattheAmpzillahasabuilt-inmechanismtoprotectyourspeakersfromanyinrushturn-oncurrent

surges.Alongdelay(upto2minutes)clampisconnectedacrossthedrivecircuitatturn-on,preventinganysurges

acrosstheload.Musicmayplayinitiallyatturn-on,howeverthepowerlevelwillbeverysmall.



Changingafuse

BetweentheheatsinksontopoftheunityouwillseefourredLEDsnexttofourgreycapslabeled“FUSE”.Underneath

thecapsarethefusesfortheAmpzilla2000,oneforeachrail.AredLEDindicatornexttoeachcapwilllightifthat

fuseisblown.Useascrewdriverorcointoremovethecapandthenremoveandreplacethefuse.Thefuseshould

be8A,250V1¼”.Obviously,ablownfuseisindicativeofalargerissuewhichmayneedtobeaddressed.



 

Ampzilla2000SecondEditionManualV1

9

Connections



1. Internconnectinputs

RCA(top)orXLR(bottom)areacceptableinputterminationtypes.

2. Inputselectionswitch

ToggleupforRCA(“UNBAL”)inputordownforXLR(“BAL”)input.

3. Speakercableoutputs

Spade,bananaorbarewireareacceptableterminationtypes.Ifbi-wiring,connectonepairofspeaker

connectionstoset“A”andanotherto“B”.Forsingle-wiring,useeitherset“A”or“B”.Note:“A”and“B”are

connectedinparallelsothereisnodangerofdamageforusingoneortheother,orevenacombinationof

both,providedyouobservethepolaritymarkings.

4. Captive12gaugepowercord

Donotattempttoremoveorreplace;doingsowillvoidthewarranty. 

Ampzilla2000SecondEditionManualV1

10

Indice

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