GMA3702 - AV receiver PIONEER - Free user manual and instructions

Product type	Two-channel bridgeable power amplifier
Brand	Pioneer
Model	GMA3702
Output power (stereo)	60 W × 2 (14.4 V, 4 Ω, 20 Hz – 20 kHz, ≤ 1% THD+N)
Output power (bridged)	190 W × 1 (14.4 V, 4 Ω, 1 kHz, ≤ 1% THD+N)
Output power (2 Ω)	95 W × 2 (14.4 V, 2 Ω, 1 kHz, ≤ 1% THD+N)
Supply voltage	14.4 V DC (10.8 V to 15.1 V allowable)
Grounding	Negative terminal
Power consumption (continuous)	14.5 A (4 Ω)
Average power consumption	4 A (2 channels) / 6.5 A (1 channel)
Fuse	25 A × 1
Load impedance	4 Ω (2 Ω to 8 Ω allowable)
Frequency response	10 Hz to 70 kHz (+0 dB, -3 dB)
Signal-to-noise ratio	95 dB (IHF-A network)
Total harmonic distortion	0.05% (10 W, 1 kHz)
Low-pass filter (LPF)	Cutoff frequency: 40 Hz to 500 Hz, slope -12 dB/octave
Bass boost	Frequency: 50 Hz, levels: 0 dB / 6 dB / 12 dB
Gain control (RCA input)	0.3 V to 6.5 V
Gain control (speaker input)	3.0 V to 26 V
Maximum input level / impedance (RCA)	6.5 V / 22 kΩ
Maximum input level / impedance (speaker)	26 V / 16 kΩ
Protection functions	Short-circuit, overheating, and DC voltage protection
Care and cleaning	Wipe with a dry, soft cloth. Do not use chemicals.
Safety	Do not open the device. Use only the specified fuse. Disconnect the battery before installation.
Spare parts and repairability	Contact an authorized Pioneer dealer for after-sales service and spare parts.
General information	Vehicle audio amplifier, compatible with 12 V negative ground systems.

Frequently Asked Questions - GMA3702 PIONEER

How do I connect the amplifier to the battery?

Use a special red battery lead (RD-223, sold separately) and connect it directly to the positive battery terminal. Connect the ground wire (black) to the metal body of the vehicle. Make sure the ground wire is securely attached to avoid any risk of fire.

How do I set the gain correctly?

First set the stereo system volume to about 3/4 of maximum. Turn the amplifier's GAIN control until you hear slight distortion, then reduce slightly. For a standard RCA output (500 mV), use the NORMAL position. For a 4 V output, use the HIGH position.

What should I do if the power indicator turns off?

This indicates the protection function is activated. Check the speaker connections for a short circuit or overheating. Turn off the power, resolve the issue, then turn it back on. If the problem persists, contact an authorized Pioneer service center.

Can I use the amplifier in bridged mode?

Yes, for a bridged connection, use a single 4 Ω speaker or two 8 Ω speakers in parallel (4 Ω load). Never connect 4 Ω or lower speakers in parallel to obtain 2 Ω, as this could damage the amplifier.

How do I choose the low-pass filter (LPF) setting?

If you are using a subwoofer, set the LPF switch to ON and adjust the cutoff frequency between 40 Hz and 500 Hz. For full-range speakers, select OFF for full frequency response.

What does the Bass Boost function do?

The bass boost increases the level at 50 Hz. You can choose between 0 dB, 6 dB, or 12 dB. Excessive boost may distort the sound or damage the speakers.

What is the input sensitivity for RCA and speaker connections?

For RCA input, sensitivity is 0.3 V to 6.5 V. For speaker input, it is 3.0 V to 26 V. Do not connect both inputs simultaneously.

What type of fuse should I use and how do I replace it?

Use a 25 A fuse. Before replacing, turn off the power and check the cause of the blown fuse (short circuit, etc.). Replace only with an identical fuse.

Where should I install the amplifier in the vehicle?

Choose a flat, rigid location away from moisture and heat. Leave sufficient space above for ventilation. Do not cover the amplifier with a mat. Secure it firmly with the supplied screws.

How do I connect multiple amplifiers?

Connect the head unit and all amplifiers via the system remote cable (sold separately). Ensure the remote cable is connected to the remote terminal of each amplifier.

USER MANUAL GMA3702 PIONEER

http://www.pioneerelectronics.com

http://www.pioneerelectronics.ca

PIONEERCORPORATION

28-8,Honkomagome2-chome,Bunkyo-ku,

Tokyo113-0021,JAPAN

PIONEERELECTRONICS(USA)INC.

P.O.Box1540,LongBeach,California90801-1540,U.S.A.

TEL:[phone]

PIONEEREUROPENV

Haven1087,Keetberglaan1,B-9120Melsele,Belgium/Belgique

TEL:[phone]

PIONEERELECTRONICSASIACENTREPRETLED.

2JalanKilangBarat,#07-01,Singapore159346

TEL:[phone]

PIONEERELECTRONICSAUSTRALIAPTY.LTD.

5ArcoLane,Heatherton,Victoria,3202Australia

TEL:[phone]

PIONEERELECTRONICSOCANADA,INC.

340FerrierStreet,Unit2,Markham,OntarioL3R2Z5,Canada

TEL:[phone]

TEL:[phone]

PIONEERELECTRONICSDEMEXICOS.A.deC.V.

Blvd.ManuelAvilaCamacho138,10piso

Col.LomasdeChapultepec,Mexico,D.F.11000

TEL:[phone]

FAX:[phone]

先锋股份有限公司

台北市內湖區瑞光路407號8樓

電話：886- (0) 2-2657-3588

先鋒電子（香港）有限公司

香港九龍長沙灣道909號5樓

電話：852-2848-6488

©2016PIONEERCORPORATION.

Allrightsreserved.

©2016PIONEERCORPORATION.

Tousdroitsdereproductionetde

ThankyouforpurchasingthisPIONEER product

Toensureproperuse,pleasereadthroughthis manualbeforeusingthisproduct.Itisespeciallyimportantthatyoureadandobserve

WARNING sand CAUTION sithismanual.

Please keep themualinasafeandaccessible placeforfuturereference.

ThisdevicecomplieswithPart15oftheFCC Rules. Operationissubjecttothefollowing twoconditions:

(1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethat maycauseundesiredoperation.

InformationtoUser

Alterationnormodificationscarriedoutwithout appropriateauthorizationmayinvalidatethe user'srighttooperatethequipment.

Note

Thisequipmenthasbeentestedandfoundto complywiththelimitsforaClassBdigitaldevice, pursuanttoPart15oftheFCCRules.Theselimits aredesignedtoprovidereasonableprotection againstharmfulinterferenceinaresidential installation. Thisequipmentgenerates, uses and can radiateradiofrequencyenergyand, ifnot installed and used inaccordancewiththeinstructions, maycauseharmfulinterferencetoradio communications.However,thereisnoguarantee that interferencewillnotoccurinaparticular installation.Ifthisequipmentdoescauseharmful interferencetoradioortelevisionreception, whichcanbedeterminedbyturningthequipmentoffandon,theuserisencouragedotryto

correcttheinterferencebyoneormoreofthefollowingmeasures:

-Reorientorrelocatethereceivingantenna.
-Increasetheseparationbetweentheequipment andreceiver.
-Connecttthequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected.
-Consultthedealeroranexperiencedradio/TV technicianforhelp.

After-saleservicefor Pioneerproducts

Pleasecontactthedealerordistributorfrom whereyoupurchasedthisunitforafter-sales service(includingwarrantyconditions)orany otherinformation.Incasethenecessaryinformationisnotavailable,pleasecontactthe companieslistedbelow:

Please donot ship your unit to the companies at the addresses listed below for repair without advance contact.

USA&CANADA

PioneerElectronics(USA)Inc.

CUSTOMERSUPPORTDIVISION

P.O.Box1760

LongBeach,CA90801-1760

800-421-1404

ForwarrantyinformationpleaseseetheLimitedWarrantysheetincludedwiththisunit.

Ifyouexperienceproblems

Shouldthisproductfailtooperateproperly, pleasecontactyourdealerornearestauthorizedPioneerServiceStation.

Beforeyoustart

Visitourwebsite

http://www.pioneerelectronics.com

inCanada

http://www.pioneerelectronics.ca

• Learnaboutproductupdates(suchasfirmwareupdates)foryourproduct.
• Registryyourproducttoreceive notices about product updates and safeguard purchases details in our files in the event of lossortheft.
• Accessowner'smanuals, spare parts information, service information, and much more.

TheSafetyofYourEarsisin YourHands

Getthemostoutofyourequipmentbyplaying itatasafelevel—alevelthatletsthesound comethroughclearlywithoutannoyingblaringordistortionand,mostimportantly,withoutfectingyoursensitivehearing.Sound canbedeceiving.Overtime,yourhearing "comfortlevel"adaptstohighervolumesof sound,sowhatsounds"normal"canactually beloudandharmfultoyourhearing.Guard againstthisbysettingyourequipmentata safelevelBEFOREyourhearingadapts.

ESTABLISHASAFELEVEL:

• Setyourvolumecontrollateralowsetting.
  Slowly increasethesounduntilyoucan hearitcomfortablyandclearly,withoutdistortion.
• Once you have established a comfortable soundlevel, set the dial and leave it there.

BESURETOOBSERVETHEFOLLOWING GUIDELINES:

• Donotturnupthevolumesohighthatyou can'thearwhat'saroundyou.
  Usecautionortemporarilydiscontinuuse inpotentiallyhazardoussituations.

• Donotuseheadphoneswhileoperatinga motorizedvehicle;theuseofheadphones maycreateatrafchazardandisillegal in manyareas.

Beforeconnecting/ installingtheamplifier

WARNING

Theuseofaspecialredbatteryandground wireRD-223,availableseparately,isrecommended.Connectthebatterywiredirectlyto thecarbatterypositiveterminal ④ andthe groundwiretothecarbody.
- This unit is for vehicles with 12V battery and negative grounding. Before installing in recreational vehicles, trucksorbuses, check the battery voltage.
- Wheninstallingthisunit, makesuretoconnectthegroundwirefirst. Ensures that the groundwire is properly connected to metal part of the car's body. The groundwire of the one of this unit must be connected to the car separately with different screws. If there are more sensors falling out, it could result in fire, generation of smoke or malfunction.
Alwaysuseafuseoftheratingprescribed. Theuseofanimproperfusecouldresultin overheatingandsmoke,damagetotheproductandjury,includingburns.
- Check the connection of the powersupply and speakers if the use of these separately sold batterywire or the amplifier fuses. Determine and resolve the cause, then replace the fuse with an identical equivalent.
Alwaysinstalltheamplifieronaflatsurface. Donotinstalltheamplifieronasurfacethat isnotflatoronasurfacewithaprotrusion. Doingsocouldresultinmalfunction.

Beforeyoustart

• Wheninstallingtheamplifier, donotallow partssuchasextrascrewstogetcaughtbetweentheamplifierandtheautomobile. Doingsocouldcausealfunction.
• Donotallowthisunittocomeintocontact withliquids. Electricalshockcouldresult. Also,damagetothisunit,smoke,andoverheatingcouldresultfromcontactwithliquids. Thesurfacesoftheamplifierandanyattached speakersmayalsoheatupandcauseminor burns.
• Intheeventofanyabnormality, the power supplytotheamplifieriscutofftoprevent equipmentmalfunction.lfthisoccurs, switch thesystempoweroffandcheckthepower supplyandspeakerconnections.Ifyouareunabletodeterminethecause, pleasecontact yourdealer.
• Always disconnect thenegative terminal of the battery before hand to avoid the risk of electric shock or short circuit during installation.
• Donotattempttodisassembleormodifythis unit.Doingsomayresultinfire,electric shockorothermalfunction.

CAUTION

• Alwayskeep the volume lowenoughto hear outside sounds.
• Extendeduseofthecarstereowhiletheengineisatrestoridlingmayexhaustthebattery.
  This product is evaluated in moderate and tropical climate condition under the Audio, video and similare electronic apparatus-Safety requirements, IEC60065.
  Theographicalsymbol placedonthe productmeansdirectcurrent.

Abouttheprotectionfunction

Thisproducthasprotectionfunction.Whenthis productdetectssomethingabnormal,thefollowingfunctionswilloperatetoprotecttheproduct andspeakeroutput.

Thepowerindicatorwillturnoffandthemplifierwillshutdowninthesituationsoutlinedbelow.
—Ifthespeakeroutputterminalandspeaker wireareshort-circuited.
—IfaDCvoltageisappliedtothespeaker outputterminal.
- The amplifier will reduce the power output if the temperature insidethem amplifier gets high. If the temperature gets too high, the power indicator will turn off, and the amplifier will shutdown.

Important(Serialnumber)

Theserialnumberislocatedonthebottomof thisunit.Foryourownsecurityandconvenience, besuretorecordthisnumberontheenclosed warrantycard.

Note

Beforeinstallingthisunitinyourvehicle,referto theillustrationbelowandremovethetag(GM-A5702only).

Donotusethepartsyouhavenooved(screws etc.)wheninstallingtheunitinyourvehicle.

Settingtheunit

What'swhat

GM-A5702

GM-A3702

Toadjusttheswitch,useaflatheadscrewdri- verifneeded.

①LPF(low-passfilter)switch

Switchthesettingsbasedontheconnected speaker.

• Whenthe Subwoofer is connected: SelectON. This eliminates high range frequency and outputs low range frequency.
• Whenthefullrangespeakerisconnected: SelectOFF.OFFoutputstheentirefrequencyrange.

② FREQ(cutofffrequency)control

Cutofffrequencyselectablefrom40Hzto 500HziftheLPFselectswitchissettoON.

③ BASSBOOST(bassboostlevelcontrol) switch

You can select tabassboostlevel from 0dB, 6dB and 12dB.

④ GAIN(gain)control

Iftheoutputremainslow,evenwhenthecar stereovolumeisturnedup,turnthecontrolstoalowerlevel. Ifdistortionoccurs when thecarstereovolumeisturnedup, turnthesecontrolstoahigherlevel.

• ForusewithanRCAequippedcarstereo (standardoutputof500mV),settothe NORMALposition.ForcewithanRCA equippedPioneercarstereo,with maximum outputof4Vormore,adjustlevel to matchthatofthecarstereooutput.
• ForusewithanRCAequippedcarstereo withoutputof4V,settotheHIGHposition.
• Ifyouheartoomuchnoisewhenusing thespeakerinputterminals,turnthe gaincontroltoligherlevel.

⑤Powerindicator

Thepowerindicatorlightsuptoindicate powerON.

Settingtheunit

Settinggainproperly

• Protectivefunctionincludedtoprevent malfunctionoftheunitand/orspeakers duetoexcessiveoutput,improperuseor improperconnection.
• When outputting high volumesoundetc., this function cutsofttheoutputforafew secondsasanormalfunction, but output is restored when the volume of the head unitisturned down.
• Acutinsoundoutputmayindicateimpro-persettingofthegaincontrol.Toensure continuousoundoutputwiththehead unitatahighvolume,setamplifiergain controtoalevelappropriateforthepreout maximumoutputleveloftheheadunit,so that volumecanremainunchangedandto controlexcessoutput.
• Despitecorrectvolumeandgainsettings, theunitsoundstillcutsoutperiodically. In suchcases, please contact the nearest authorized Pioneer Service Station.

Gaincontrolofthisunit

AboveillustrationsshowsNORMALgainsetting.

Relationshipbetweenamplifiergain andheadunitoutputpower

If amplifiergainisraisedimproperly,thiswill simply increasedistortion,withlittleincrease inpower.

Signalwaveformwhenoutputting at highvolumeusingamplifiergain control

Ifthesignalwaveformisdistorteduetohigh output,eveniftheamplifiergainisraised,the outputpowerwillchangeonlyslightly.

Connectingtheunits

Connectiondiagram

①Specialredbatterywire
RD-223(soldseparately)
Aftercompletingallotheramplifierconnections,finallyconnectthebatterywireterminal oftheamplifiertothepositive batteryterminal.
②Groundwire(Black)
RD-223(soldseparately)
Connecttometalbodyorchassis.
③ CarstereowithRCAoutputjacks(soldseparately)
(4)Externaloutput
⑤ConnectingwirewithRCApinplugs(soldseparately)
⑥Speakerinputterminal(useaconnectorincluded)
Pleaseseethefollowingsectionforspeaker connectioninstructions.RefertoConnections whenusingthespeakerinputwire.
⑦RCAinputjack
⑧Systemremotecontrolwire(soldseparately)

Connectmaleterminalofthiswiretothesystemremotecontrolterminalofthecarstereo. Thefemaleterminalcanbeconnectedtothe auto-antennarelaycontrolterminal.Ifthecar stereolacksystemremotecontrolterminal, connectthemaleterminaltothepowerterminaliaatheignitionswitch.

⑨ Speakeroutputterminals Pleaseseethefollowingsectionforspeaker connectioninstructions.RefertoConnecting thespeakers.
⑩Fuse30A×2(GM-A5702)/25A×1(GM-A3702)
1Fuse(30A)×2
⑫Grommet
③ Rearside
14Frontside

Connectingtheunits

Beforeconnectingthe amplifier

WARNING

• Securethewiringwithcableclampsoradhesivetape. Toprotectthewiring,wrapsections incontactwithmetalpartsinadhesivetape.
• Nevercuttheinsulationofthepowersupply tofeedpowertootherequipment.Current capacityoftthewireislimited.

CAUTION

• Nevershortenanywires, the protection circuit may malfunction.
• Neverwirethespeakernegativecabledirectly toground.
• Neverbandtogethermultiplespeaker'snegativecables.
• Ifthesystemremotecontrolwireoftheamplifierisconnectedtothepowerterminalviathe ignitionswitch(12VDC),theamplifierwillremainonwiththeignitionwhethertecar stereoisonoroff,whichmayexhaustbattery iftheengineisatrestoridling.
  Installandroutetheseparatelysoldbattery wireasfaraspossiblefromthespeakerwires. Installandroutetheseparatelysoldbattery wire,groundwire,speakerwiresandthemplifiersfarawayaspossiblefromtheantenna,antennacableandtuner.

Aboutbridgedmode

Diagram A - Proper
4ΩBridgedMode

Diagram B - Improper
2Ω Bridged Mode

• Donotinstallorusethisamplifierbywiring speakersratedat4Ω(orlower)inparallelto achievea2Ω(orlower)bridgedmode(DiagramB).
  Amplifierdamage,smoke,andoverheating couldresultfromimproperbridging.The amplifiersurfacecouldalsobecomehottoth touchandminorburnscouldresult.
  Toproperlyinstalloruseabridgedmodeand achievea4Ωload,wiretwo8Ωspeakersin parallelwithLeft ④ andRight (DiagramA) oruseasingle4Ωspeaker.
  Inaddition,refertothespeakerinstruction manualforinformationonthecorrectconnec tionprocedure.
• Forany further enquiries,contact your local authorized Pioneer dealer or customer service.

Aboutsuitable specificationofspeaker

Ensurespeakersconformtothefollowing standards,otherwisethereisariskoffire, smokeordamage.Speakerimpedanceis2Ω to 8Ω for stereo connection, or 4Ω to 8Ω for monauralandotherbridgeconnection.

Connectingtheunits

Subwoofer

SpeakerchannelPower
Two-channeloutput	Nominalinput: Min.150W(GM-A5702) Min.60W(GM-A3702)
One-channeloutput	Nominalinput: Min.480W(GM-A5702) Min.190W(GM-A3702)

Otherthansubwoofer

SpeakerchannelPower
Two-channeloutput	MAXinput: Min.300W(GM-A5702) Min.170W(GM-A3702)
One-channeloutput	MAXinput: Min.1000W(GM-A5702) Min.500W(GM-A3702)

One-channeloutput

①Speaker(Mono)

Connectingthespeakers

Thespeakeroutputmodecanbetwo-channel (stereo)orone-channel(mono).Connectthe speakerleadstosuitthemodeaccordingo thefiguresshownbelow.

Two-channeloutput(Stereo)

①Speaker(Left)
②Speaker(Right)

Connectingtheunits

Connectionswhenusing thespeakerinputwire

Connect the car stereospeaker output wires to the amplifier using the supplied speaker input wire.

• DonotconnectboththeRCAinputandthespeakerinputatthesametime.

①CarStereo
②Speakeroutput
③White/black:Left
White:Left
⑤Gray/black:Right
⑥Gray:Right
⑦Speakerinputconnector

Tospeakerinputterminalofthisunit.

Note

Ifspeakerinputwiresfromheadunitareconnectedtothisamplifier, the amplifierwillautomaticallyturnonwhentheheadunitisturnedon. Whentheheadunitisturnedoff, the amplifier turnsoffautomatically.Thisfunctionmaynot workwithsomeheadunits.Insuchcases, make surethattheLeftchannelisconnectedcorrectly. If the function still doesnotwork, please use a systemremotecntrlwire(soldseparately). If multiple amplifiersaretobecomnectedtogether synchronously, connecttheheadunitandall amplifiersviathesystemremotecntrlwire.

Connectingthepowerterminal

Theusefaspecialredbatteryandground wireRD-223(soldseparately)isrecommended.Connectthebatterywiredirectlyto thecarbatterypositiveterminal ④ andthe groundwiretothecarbody.

WARNING

If the battery wire is not securely fixed to the terminal using the terminals screws, there is a risk of overheating, malfunction and injury, including minor burns.

1Routebatterywirefromenginecompartmenttothevehicleinterior.

• Whendrillingacablepass-holeintothevehiclebodyandroutingabatterywirethoroughit,takecarenttoshort-circuitthe wiredamagingitbythecutedgesorburrs ofthehole.

Aftercompletingallotheramplifierconnections,finallyconnectthebatterywireterminal oftheamplifiertothepositive batteryterminal.

①Positive+terminal
②Enginecompartment
③Vehicleinterior
④Fuse(30A)×2
⑤InserttheO-ringrubbergrommetintothe vehiclebody.
⑥Drilla14mm(1/2in.)holeintothevehicle body.

Connectingtheunits

2Twistthebatterywire,groundwire andsystemremotectrlwire.

3Attachlugstowireends.

Usepliers,etc.,tocrimplugstowires.

①Lug(soldseparately)
②Batterywire
③Groundwire

4Connectthewirestotheterminal. Fixthewiressecurelywiththeterminal screws.

①Systemremotetocontrolterminal
②Groundterminal
③Powerterminal
④Terminalscrews
⑤Batterywire

⑥Groundwire

⑦Systemremotecontrolwire

Connectingthespeaker outputterminals

1Usewirecuttersorautilityknifeto stripteendofthespeakerwirestoexposeabout10mm(3/8in.)ofwire and thentwistthewire.

2Attachlugstowireends.

Usepliers,etc.,tocrimplugstowires.

①Lug(soldseparately)
②Speakerwire

3Connectthespeakerwiresthespeakeroutputterminals.

Fixthespeakerwiressecurelywiththeterminalscrews.

ConnectingtheunitsInstallation

①Terminalscrews
②Speakerwires
③Speakeroutputterminals

Beforeinstallingtheamplifier

WARNING

Toensureproperinstallation,usethesupplied partsinthemannerspecified.Ifanyparts otherthanthosesuppliedareused,theymay damageinternalpartsoftheamplifier,orbecome loosecausingtheampliftiortoshut down.
- Donotinstallin:

—Placeswhereitcouldinjurethedriveror passengersifthevehiclestopssuddenly.
Placeswhereitmayinterferewiththedriver,suchasonthefloorinfrontofthedriver'sseat.

Installtappingscrewsinsuchawaythatthe screwtipdoesnn'touchanywire.Thisisimportanttopreventwiresfrombeingcutbyvibrationofthecar,whichcanresultinfire.
- Makesurethatwiresdonotgetcaughtinthe slidingmechanismoftheseseatsortouchthe legsofapersoninthevehicleassshort-circuit mayresult.
- Whendrillingtoinstalltheamplifier,always confirmnopartsarebehindthepaneland protectallcablesandimportantequipment (e.g.fuel/brakelines,wiring)fromdamage.

CAUTION

Toensureproperheatdissipationoftheamplifier,ensurethefollowingduringinstallation:Allowadequatespaceabovetheamplifier forproperventilation.
—Donotcovertheamplifierwithafloormat orcarpet.
Protectionfunctionmayactivatetoprotectthe amplifieragainstoverheatingduetoinstantioninlocationswheresufficentheatcannot bedissipated,continuoususeunderhigh-volumeconditions,etc.Insuchcases,theamplifierreducesthepoweroutputshuts downuntilithascooledtoacertaindesignatedtemperature.
- Placeallcablesawayfromhotplaces,such asneartheheateroutlet.

Installation

Theoptimalinstallationlocationdiffersdependingonthecarmodel.Securethempliferatasufficientlyrigidlocation.
- Checkallconnectionsandsystemsbefore finalinstallation.
Afterinstallingtheamplifier, confirmthat the spare tire, jackandtoolscanbeeasilyremoved.

Exampleofinstallationon thefloormatorchassis

1Placethemamplifierinthedesiredinstallationlocation.

Insertthesuppliedtappingscrews(4mm× 18mm(1/8in.×3/4in.))intothescrewholes andpushonthescrewswithascrewdriverso theymakeanimprintwheretheinstallation holesaretobelocated.

2Drill2.5mm(1/8in.)diameterholesat theirimprintseitheronthecarpetordirectly onthechassis.

3Installtheamplifierwiththeuseof suppliedtappingscrews(4mm×18mm (1/8in.×3/4in.).

①Tapping screws(4mm×18mm(1/8in.× 3/4in.))
②Drilla2.5mm(1/8in.) diameterhole.
③Floormatorchassis
④Hole-to-holedistance:343mm(13-1/2in.) (GM-A5702)/233mm(9-1/8in.) (GM-A3702)
⑤Hole-to-holedistance:195mm(7-5/8 (GM-A5702)/160mm(6-1/4in.) (GM-A3702)

Additionalinformation

Specifications

GM-A5702

Powersource.14.4VDC(10.8Vto15.1V allowable)

Groundingsystem.Negativetype

Currentconsumption.36A(atcontinuouspower, 4Ω)

Averagecurrentconsumption 9.5 A (4 Ω for two channels) 15.5A(4Ωforonechannel)

Fuse. 30A×2
Dimensions(W×H×D)...356mm×60mm× 215mm (14in.x2-3/8in.x8-1/2in.)

Weight. 2.2kg(4.9lbs) (Leadsforwiringnotincluded)

Maximumpoweroutput.....300Wx2(4Ω)/500Wx2 (2Ω)/1000WTOTAL (BRIDGE)

Continuouspoweroutput...150W×2(at14.4V,4Ω, 20Hz to 20kHz, ≤1.0%THD +N)

480W×1(at14.4V,4Ω BRIDGE1kHz,≤1.0%THD +N) 240W×2(at14.4V,2Ω, 1kHz,≤1.0%THD+N)

Load impedance 4Ω (2Ω to 8Ω allowable)

Frequencyresponse.10Hzto70kHz(+0dB, -3dB)

Signal-to-noiseratio.96dB(IHF-Anetwork)

Distortion. 0.05% (10W,1kHz)

Lowpassfilter: Cutofffrequency.40Hzto500Hz Cutoffslope-12dB/oc

Bassboost: Frequency. .50Hz Level. 0dB/6dB/12dB

Gaincontrol: RCA. .0.3Vto6.5V Speaker. 3.0Vto26V

Maxuminputlevel/impedance: RCA. 6.5V/22kΩ Speaker. 26V/16kΩ

CEA2006Specifications

Poweroutput.150WRMSx2Channels (at14.4V,4Ωand≤1% THD+N)

S/N ratio. 75dBA(reference:1Winto 4Ω)

GM-A3702

Powersource.14.4VDC(10.8Vto15.1V allowable)

Groundingsystem.Negativetype

Currentconsumption.14.5A(atcontinuouspower, 4Ω)

Averagecurrentconsumption 4A(4Ωfor two channels) 6.5A(4Ωforonechannel)

Fuse. 25A×1

Dimensions(W×H×D)...246mm×60mm× 180mm (9-5/8in.×2-3/7-1/8in.)

Weight. 1.4kg(3.1Ibs) (Leadsforwiringnotincluded)

Maximumpoweroutput.....170Wx2(4Ω)/250Wx2 (2Ω)/500WTOTAL (BRIDGE)

Continuouspoweroutput...60W×2(at14.4V,4Ω, 20Hzto20kHz,≤1.0%THD +N) 190W×1(at14.4V,4Ω BRIDGE1kHz,≤1.0%THD +N) 95W×2(at14.4V,2Ω, 1kHz,≤1.0%THD+N)

Load impedance 4Ω (2Ω to 8Ω allowable)

Frequencyresponse.10Hzto70Hz(+0dB, -3dB)

Signal-to-noiseratio.95dB(IHF-Anetwork)

Distortion.0.05%10W,1kHz

Lowpassfilter: Cutofffrequency.80Hz Cutoffslope-12dB/oc

Gaincontrol:
RCA. 0.3Vto6.5V
Speaker. 3.0Vto26V

Additionalinformation

Maximuminputlevel/impedance:

RCA. 6.5V/22kΩ

Speaker. 26V/16kΩ

CEA2006Specifications

Poweroutput.60WRMSx2Channels(at

14.4V,4Ωand≤1%THD

+N)

S/Nratio. 78dBARefence:1Winto

4Ω)

Notes

• Specificationsandthedesignaresubjectto modificationswithoutnotice.
  Theaveragecurrentconsumptionisnearly themaximumcurrentconsumptionbythis unitwhenanaudiosignalisinput.Usethis valuewhenworkingouttotalcurrentconsumptionbymultiplepoweramplifiers.

Avantdecommencer

http://www.pioneerelectronics.com

auCanada

http://www.pioneerelectronics.ca