Fusion FM-402 User manual

Brand: Fusion

Model: FM-402

Category: Car audio amplifiers

Type: User manual

Fusion FM-402 is a 2 Ohm Stable MOSFET Amplifier with Variable Bass Boost, Variable LP and HP Electronics X-OVER, FUSION Regulated Amplifier Technology (F.R.A.T.), FUSION Intercooled Semi-conductor Technology (F.I.S.T.), Gold Plated 4 Gauge Power and Ground Connections, Gols Plated Audio Input and Output Connections, FUTRANZ Efficient Heat Sink Transfer Technology and Gold Plated RCA Output for multi-amp Installations. This powerful amplifier is perfect for powering your boat's audio system. With its 2 Ohm stable design, it can handle even the most demanding speakers. The variable bass boost allows you to tailor the sound to your liking, while the variable LP and HP electronics X-OVER gives you complete control over the frequency response.

User / Installation Manual

Marine Ampliﬁer

FM-402

2010 Version 1.0

Feature Overview

• 2OhmStableMOSFETAmplierDesign

• VariableBassBoost0-+12dB

• VariableLPandHPElectronicsX-OVER@12dB/octave

• FUSIONRegulatedAmplierTechnology(F.R.A.T.)

• FUSIONIntercooledSemi-conductorTechnology(F.I.S.T.)

• GoldPlated4GaugePowerandGroundConnections

• GolsPlatedAudioInputandOutputConnections

• FUTRANZEcientHeatSinkTransferTechnology

• GoldPlatedRCAOutputformulti-ampInstallations

What sets FUSION apart?

TheFUSIONFMseriesamplierscomecompletewithFRATpowersupplies,FISTcoolingsystemandFUTRANZ.Also

allmarineampliersuseheat-temperedPCB’sformaximumproductlifeandperformance.Goldplatedconnectol-

ogy,ensuresyoursignalowsfromtheheadunitthroughtothespeakerswithaslittleinjecteddistortionand

noiseaspossible.Thisresultsisaverycleanandverypowerfulreproductionoftheinputsignal.Allthesefeatures

makeiteasiertoachievesonicperfectioninalmostanyinstallation.

FUTRANZ

Indevelopingextremelypowerfulampliers,itisessentialtokeepthingscoolsoFUSIONdevelopedaheatsink

thathasaheatdissipationabilitylikeneverbefore.Thiswasnotaneasytaskbutnonethelessitwasachieved,

anotherimportantfactorisecientlytransferringtheheatfromthesemi-conductorstotheheatsink,conven-

tionaldesignsuseawhitepasteastheinterfacebetweenthesedevicesandtheheatsink,thisisnotaperfect

solutionwhencompletesurfacecouplingisrequired.SoallMarineAmplierscomeequippedwithacompositeheat

transferringtape.Coreheatinsemi-conductorscausesdistortionandpoorcomponentperformancecharacteris-

tics.TestinghasshownamassivereductionincoreheathasbeenachievedbyusingtheFUTRANZheattransfer-

ringtechnology.Insimpliedtermsthismeansexcellentthermalstabilityandmaximumcomponentreliability.

F.I.S.T (fusion intercooled semi-conductor technology)

FISTisaninnovativemethodofclampingdownallinternalpowerswitchingandaudiooutputdeviceswithan

aluminiumextrusionthathasextremelylowtemperatureco-eciency.ByusingF.I.S.Titcreatestheperfectcool-

ingsolution,rapidlyremovingcoreheatfromallassociatedsemi-conductorsfrombothsidesofthedeviceatonce

resultinginextremelylowdistortionanexcellentthermalstability

F.R.A.T (fusion intercooled semi-conductor technology)

FRATisaregulatedamplierdesign,FUSIONregulatedampliersallowanenormousamountofoutputpowerat

thelowestvoltage(12.6Volts)andextremeoutputat14.4volts.

Contents

Feature Overview.........................................Pg 3

Control Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg 4

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Pg 6

Connections .............................................Pg 6

Inputs and Gain Setup .................................... Pg 7

2 Channel Installation / Trouble Shooting ....................Pg 8

3 Channel Installation / Power Cable Calculator...............Pg 9

4 Channel Installation / Speciﬁcations......................Pg 10

003

FEATURE OVERVIEW

RECORD YOUR PRODUCT DETAILS HERE:

MODELNUMBER DATEOFPURCHASE

AFFIXRECEIPTHERE

Control Descriptions

004

CONTROLS

005

CONTROLS

10 11987654321

13 15 1612

1 Bass Remote Selector

 Usethisswitchtoactivateordeactivatethe(optional)FP-BASScontroller.

2 Bass Remote Connector

 Thisportallowsconnectionstothe(optional)FP-BASScontrol.

3 Power And Status LEDs:

 thisshowsiftheamplierhasbeencorrectlypoweredupandifanyfaultsarepresent.

4 Crossover Selector:

 Settheappropriatemodeofoperation.The3positionsavailableareOFF,LPandHP.Seepoints5and6below.

5 Low Pass:

 Setthecrossoverswitch2toLPwhenasubwooferisconnected.Ensurethecrossoverfrequencyissetat

100Hzorbelow,thisfeatureisdesignedtolterallmidtohighfrequenciesthatonlyFULLRANGEspeakers

shouldproduce.NOTE:Failuretodosocouldresultinspeakerdamage.

6 High Pass:

 Setthecrossoverswitch2toHPandturnthiscontrolto65Hzorabovewhenusingspeakerssmallerthan6

x6”,thisfeatureisdesignedtolteralllowbassfrequenciesthatonlySUBWOOFERSshouldproduce.NOTE:

Failuretodosocouldresultinspeakerdamage.

7 Bass Boost:

Thisisavariablecontroltoincreasethebassboostat45Hzfrom0-+18dBofgain,adjusttosuit.

8 Subsonic Filter:

 ThisisavariablecontrolltersoutallSubBassFrequenciesbelowthesetpointat18dB/octave.

9 Level:

 Thisallowsleveladjustmentoftheinputsignal.Usethiscontroltocorrectlymatchtheheadunittothe

amplier.Tosetthiscontrolcorrectly,turntheamplierleveltoMINandtheheadunitto3/4volume,with

theBASSandTREBLEonzero,thenslowlyturnupthisamplierlevelcontroltowardstheMAXendofthe

control.NOTE:Ifthesoundbecomesdistorted,turnthiscontroldown.

10 RCA Input:

 ConnecttheseRCAconnectorstotherearLOWLEVELoutputconnectionfromtheheadunit.

11 RCA Output:

 UsetheseRCAOutputconnectorstoconnecttoasecondaryamplier.ThisoutputisaPASS-THRUconnection

derivedfromtheRCAinputconnectorsothesignallevelandfrequencyresponsearethesameastheoriginal

inputsignal.

12 Ground Connection:

 Connectdirectlytoasuitablegroundpointviaa4gaugepowercable.NOTE:Thisistobetherstwireto

connectwhenwiringupampliers.Damagecouldresultofthisisnotdone.

13 +12V Connection:

 Thismustbeconnectedtothebatterypositive(+)terminalviaa4guagepowercableandwithaninlinefuse

orcircuitbreakeratthebatteryend.NOTE:Thisistobethelastwiretoconnectupduringinstallationas

damagecouldresult.

14 Remote Connection:

 Thisinputisforturningtheamplieronando.Thisrequiresaswitchedpositive(+12V)topower‘ON’the

amplier,thiscanbefoundontherearoftheheadunitintheformofanelectricantennaoutput,oraremote

onoutput.IfnotavailableyoucanwiretotheACCpositiononthekey.

15 Fuses:

 Pleaseensurethecorrecttypeoffuseistted,asspeciedinthismanual.PLEASENOTE:theFM-402has1x

25Afuses.

16 Speaker Output:

 See2/1channelinstallationdiagramsinthismanualforcorrectspeakerconnection.

PUBLISHEDBYFUSIONELECTRONICSLIMITED:

©Copyright2008byFUSIONElectronicsLimited.

Allrightsreserved.Specicationsanddesignaresubjecttochange

withoutnotice.

006

INSTALLATION

007

CONNECTION

Installation

Mounting

Appropriatemountingisveryimportantfortheprolongedlifeexpectancyofanyamplier.Selectalocationthatallowsenough

spacesosucientairowismaintainableandalocationthatprovidesprotectionfrommoisture.Keepinmindthatanamplier

shouldneverbemountedupsidedown.Upsidedownmountingwillcompromiseheatdissipationthroughtheheatsinkand

couldengagethethermalprotectioncircuit.Excessiveheatwillshortenyouramplierslife.Tomaximiseheatdissipation,be

suretoleaveatleast2.5”ofclearancearoundtheamplier.Ifspaceisoftheessenseandtheampliermustbemountedin

anenclosedorrestrictedarea,asmall3inchfanshouldbeusedincorrespondencewithaductsotheheatcanowpastthe

FUTRANZHeatsink.Trytoavoidmountinganyamplieronasubwooferenclosure,asextendedexposuretovibrationmaycause

malfunctionoftheamplier.

ToavoidscratchingyournewFUSIONamplier,pre-drillthemountingholeswitheithera3mmor9/64”diameterdrillbitanduse

thescrewssuppliedintheaccessorykit.Besuretoinvestigateyourmountingareathoroughlytoavoidelectricalwires,vacuum

linesandbrakeorfuellines.

Installation Options

ThequalityofinstallationwillaecttheperformanceandreliabilityofyourFUSIONamplier.Formaximumperformancewe

recommendyouhaveyournewFUSIONamplierinstalledbyanauthorisedFUSIONdealer.Ourhighlyskilleddealershavevast

knowledgeofourproductsandtheirinstallationtechniquesarenecessarytounleashthehighperformancecapabilitiesofyour

amplier.

Ifyoudecidetoconnecttheamplieryourself,itisimportantthatyoureadthismanualcarefullyandthroughoutbeforestart-

ing.Onceyouhavenishedreadingandyoustillhavequestionsregardinginstallation,werecommendyourFUSIONdealer.

Connection

FUSIONampliersaredesignedtoworkwithina10to16voltDCrange.Beforeanywiresareconnected,thevessel’selectrical

systemshouldbecheckedforcorrectvoltagesupplywiththehelpofavoltmeter.First,checkthevoltageatthebatterywiththe

ignitionintheOFFposition.Thevoltmetershouldreadbetween12and13.8Volts.Ifyourvehicle’selectricalsystemisnotupto

thesespecication,werecommendhavingitcheckedbyanautoelectricianbeforeanyfurtherinstallation.Oncethevesselis

checked,makecertainthecorrectcablesizeisused.Werecommendusingthefollowingcablescalculatordiagramonpage8to

calculatethecorrectpowercableforyourapplication.

Power

FUSIONampliersshouldbewireddirectlytothebatteryusingtheappropriatesizedcable.Startatthevehiclebatteryandrun

thepowercablethroughtotheamplier.FUSIONrecommendstheuseofgrommetswhenpassingthepowercablethroughany

metalwalltoavoidsharpcornersorsharpbodypartsthatmayeasilycutthroughtheinsulationonthecable.

Avoidrunningthepowercableoverenginecomponentsandnearheatercores.Theuseofaninlinefuseorcircuitbreakeris

amust,thiswillpreventtheriskofapotentialrecausedbeashortinyourpowercable.Connectthefuseholderorcircuit

breakerasclosetothebatterypositiveterminalaspossible.Useafuseorcircuitbreakerofequalvalueasthatfoundonthe

chassisofyourFUSIONamplier.Youmaynowconnectthecabletothebattery,butremembertoleavethefuseoutorcircuit

breakerountilallothercableconnectionsaremade.

Ground

WhengroundingyourFUSIONamplier,locateametalareaclosetotheamplierthatisagoodsourceofground.Onceagain,

investigatetheareayouwishtouseforelectricalwires,vacuumlines,andbrakeorfuellines.Useeitherawirebrushorsand-

papertoeliminateunwantedpaint.Thiswillsupplyabettercontactforyourground.Usethesamegaugecableforgroundas

youdidforthepower.Securethegroundcabletotheappropriategroundpointusingabolt,starwasherandnut.Spreadsilicon

overthescrewandbaremetaltopreventrust.Nowitstimetoconnectthepowerandgroundcablestotheamplier.Cutboth

cablestolength.Crimptheyellowspadeconnectorssuppliedtothepowerandground.Useahextypescrewdrivertoloosenthe

+12VandtheGNDconnectionsontheamplier.Terminatethegroundrst,andthenthe+12Vandpleasemakesurethatyou

terminatethemintothecorrectterminals.Thentightenthescrewsdownsecurely.

Speaker Load

KeepinmindFUSION‘FM’seriesampliersarehighpowerampliersandnothighcurrentampliers.Inotherwordstheyrequire

aminimumimpedanceof2ohmsSTEREOand4ohmsbridgedMONOtooperatetroublefree.Toolowofanimpedancecouldsend

yourFUSIONamplierintoprotectionmodeand/ordamagetheamplier.

Remote Turn-on

Thisterminalmustbeconnectedtoaswitched+12Vsource.Typically,remoteturn-onleadsareprovidedattheheadunitwhich

willturnonandotheamplierincorrespondencewiththesource.Iftheheadunitdoesnothavearemoteturn-onlead,then

apowerantennawirecanbeused.Ifneitheroftheseleadsarepresentontheheadunitthenaswitched+12Vsupplymustbe

used,liketheACC+12V.

Runaminimumof18gaugewirefromtheamplierlocationtothesourceoftheswitched+12Vlead.Ifpossible,routethiswire

onthesamesideofthevehicleasyourpowercable.Connectthesourceremoteoutputtothewire.Gobacktotheamplierand

cutthewiretolength.LoosenthescrewterminalmarkedREMontheamplierusingahextypescrewdriver.Slipthewireinto

theconnectorandtightenthescrewsecurely.

Speaker Wiring

Choosethecorrectspeakerwireforyourapplication.Mostapplicationwillrequireaminimumof16gauge.Routetheseusingthe

sameprecautionsasyoudidwhenyouranthepowercables.Terminatethesewiresatthespeakerendusinginsulatedspeaker

terminals(notsupplied)orbysolderingtheconnection.Makesurethespeakerconnectionsarepositivetopositiveandnegative

tonegative.Attheamplierend,usea#2Phillipsscrewdrivertoloosenthespeakerterminalsontheamplier.Connectthe

speakerwiresandtightenthescrewssecurely.Checktomakesureyou’vemaintainedproperpolarityandbalance.

Inputs & Gain Setup

Low Level Inputs

BeextracarefulwithyourRCAinterconnects.Hiss,enginenoise,andfannoisecaneasilybepickedupthroughRCAcablesifrun

incorrectly.AvoidrunningyourRCAsnearlargewireloomsandelectricfansifpossible.RunyourRCAcablesontheoppositeside

ofthepowercable.Besuretocheckforcorrectbalance(Redisrightandblackorwhiteisleft)

Level Control

Ontheamplier,istheLEVELcontrol,thiscontrolallowsyoutomatchtheinputleveloftheampliertotheoutputlevelofyour

headunit.Matchingtheinputcanbeaccomplishedinthreesimplesteps:

1. TurntheLEVELcontrolontheampliertominimum.

2. Turnuptheheadunitandadjustto2/3maximumvolumeensuringthattheBASSandTREBLEaresettozero.

3. AdjusttheLEVELcontroluntilthedesiredvolumeisachievedwithoutaudibledistortion.

Remember,thegaincontrolisnotavolumecontrol.Ignoringthethreestepsabovemayleaveyouwithdamagedspeakersand/

oradamagedamplier.

1 Channel Installation 2 Channel Installation

Power Cable Calclator

Trouble Shooting

TotalAmperage 0-4ft 4-7ft 7-10ft 10-13ft 13-16ft 16-19ft 19-22ft 22-28ft

0-20 14 12 12 10 10 8 8 8

20-35 12 10 8 8 6 6 6 4

35-50 10 8 8 6 4 4 4 4

50-65 8 8 6 4 4 4 4 2

65-85 6 6 4 4 2 2 2 0

85-105 6 6 4 2 2 2 2 0

105-125 4 4 4 2 0 0 0 0

125-150 2 2 2 0 0 0 0 0

Theabovechartshowscablegaugestobeused,ifnolessthana0.5voltdropisacceptable.Ifaluminiumwireortinnedwireisused,thegaugesshouldbeofanevenlarger

sizetocompensate.Cablegaugesizecalculationtakesintoaccountterminalconnectionresistance.1Metre=3.28Feet

Problem Cause Solution

PowerLEDnot‘ON

Fuseatbatteryblownornotinstalled

Replacewithcorrectfuse.Typicallytwicetheratingofthefusethat

isontheamplier

Improperconnections

Checkthatthegroundwire,powerwireandtheremotewiresare

connectedtothecorrectterminal

StatusLED‘ON’

Fuseoramplierblown ReplacewiththecorrectAMPratedfuse

Ampliertoohot Movetheamplierintoamoreventilatedarea