Fusion MS-AM402 Guide

User/Installation Manual

FUSIONENTERTAINMENT.COM

MS-AM402

MARINE AMPLIFIER

2010 Version 1.0

Contents

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

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

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

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

Inputs and Gain Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Pg 8

Single Channel Installation .............................Pg 8

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

Trouble Shooting / Specications .......................Pg 10

RECORD YOUR PRODUCT DETAILS HERE:

MODEL NUMBER DATE OF PURCHASE AFFIX RECEIPT HERE

Feature Overview

• 2OhmStableMOSFETAmplierDesign

• Variable Bass Boost 0 - + 18dB

• Variable LP and HP Electronics X-OVER @ 18dB/octave

• 4GaugePowerandGroundConnections

• Nickel Plated Audio Input and Output RCA Connections

• Nickel Plated RCA Output for multi-amp Installations

2-OHM STABLE STEREO

Providestheoptionofconnectinganextrapairofspeakersinparallel,2

per channel at 2-Ohms (A total of 4 speakers).

MARINE GRADE CONNECTIONS

NickelplatedRCAconnectorsandstainlesscomponentsimprovesignal

owforoptimumoutput

CLASS-AB DESIGN

The400Wattpeak2-Ohmstable(perchannel)designensurescleanand

powerfulamplicationoftheinputsignal,enoughtorocktheboat.

CONFORMAL COATED CIRCUITRY

Providesaddedprotectionfromsaltairandmoisturetoensuremaximum

product life.

MARINE GRADE CHASSIS

Stainlesssteelendandbottomplatesprovideastunningnishcoupled

withenvironmentalprotection.

RCA LINE OUT

ApassthroughRCAoutputenableslinkingofmultipleampliersfor

enhanced system performance

003

FEATURE OVERVIEW

RECORD YOUR PRODUCT DETAILS HERE:

MODEL NUMBER DATE OF PURCHASE AFFIX RECEIPT HERE

Control Descriptions

004

CONTROLS

8765

10 11 13 14

1 Power And Status LEDs:

Thisshowsiftheamplierhasbeencorrectlypoweredupandifanyfaultsarepre-

sent.

2 Crossover Selector:

Settheappropriatemodeofoperation.The3positionsavailableareOFF,LPand

H P.

3 Low Pass:

Setthecrossoverswitch2toLPwhenasubwooferisconnected.Ensurethecrosso-

ver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.

4 High Pass:

Setthecrossoverswitch2toHPandturnthiscontrolto65Hzorabovewhenusing

speakerssmallerthan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.

5 Bass Boost:

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

adjust to suit.

005

CONTROLS

6 Subsonic Filter:

ThisisavariablecontrolltersoutallSubBassFrequenciesbelowthesetpointat

18dB/octave.

7 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.

8 RCA Input:

Connect these RCA connectors to the LOW LEVEL output connection from the head

unit.

9 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.

10 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.Damagecouldresultifthisisnotdone.

11 Remote Connection:

Thisinputisforturningtheamplieronandoff.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aswitched+12Vsupply.

12 Power +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.

13 Fuse:

Pleaseensurethecorrecttypeoffuseistted,asspeciedinthismanual.PLEASE

NOTE:theMS-AM402has1x25Afuse.

14 Speaker Output:

 Seechannelinstallationdiagramsinthismanualforcorrectspeakerconnection.

006

INSTALLATION

Installation

Mounting

Appropriatemountingisveryimportantfortheprolongedlifeexpectancyofany

amplier.Selectalocationthatallowsenoughspacesosuf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Heatsink.

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

or fuel lines.

Installation Options

Thequalityofinstallationwillaffect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starting.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the

voltmetershouldreadbetween12and13.8Volts.Ifyourvessel’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9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vessels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.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

007

CONNECTION

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offuntilallothercable

connections are made.

Ground

WhengroundingyourFUSIONamplier,usethesamegaugecableforgroundas

youdidforthepower.Securethegroundcabletotheappropriategroundpoint,now

itstimetoconnectthepowerandgroundcablestotheamplier.Cutbothcablesto

length.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‘AM’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offtheamplier.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.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.

Single Channel Installation

008

INSTALLATION

FUSE

PLEASE NOTE: The crossover selector positions

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accom-

plished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dis-

tortion.

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.

Two Channel Installation

Power Cable Calculator

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 6664

35-50 10 8 8 64444

50-65 88644442

65-85 6 6 442220

85-105 6 6 422220

105-125 44420000

125-150 22200000

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

009

CONNECTION

FUSE

PLEASE NOTE: The crossover selector positions

Specications

SignaltoNoise    >95dB

Separation    >60dB

Input Sensitivity 300mV - 8V

LPVariableCrossover   40Hz-160Hz@18dB/octave

HPVariableCrossover   40Hz-600Hz@12dB/octave

VariableBassBoost    0-+18dB@45Hz

VariableSubsonicFilter   20Hz-55Hz@18dB/octave

InputImpedance    20kΩ

Dampingfactor    >200

T.H.D    0.05%

FuseRatings    1x25A

Dimensions(mm)    229(W)x296(L)x53vz(H)

12.6Voltpoweroutputspecication

50WattsRMSx2@4Ω1%THD+N

96WattsRMSx2@2Ω1%THD+N

160WattsRMSx1@4ΩBridged1%THD+N

14.4Voltpoweroutputspecication

65WattsRMSx2@4Ω1%THD+N

100WattsRMSx2@2Ω1%THD+N

200WattsRMSx1@4ΩBridged1%THD+N

010

INSTALLATION

Trouble Shooting

Problem Cause Solution

PowerLED

not‘ON

Fuseatbatteryblown

or not installed Replacewithcorrecttypeandratedfuse.

Improper connections Checkthatthegroundwire,powerwireandtheremote

wiresareconnectedtothecorrectterminal

Status LED

‘ON’

Fuseblown Replacewithcorrecttypeandratedfuse.

Ampliertoohot Movetheamplierintoamoreventilatedarea

Speakerwiresshorted

Checkthattherearenospeakerwiresshortedtoany

otherwireandalsocheckifanywireisshortedto

ground

Internal malfunction Disconnectallwiresexceptground,powerandremote.Thenturnthe

amplier’ON’,iftheprotectionlightisstill’ON’thenreturnforservice

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