GMD7500M - AV receiver PIONEER - Free user manual and instructions

USER MANUAL GMD7500M PIONEER

CLASS D MONO AMPLIFIER

AMPLIFICATEUR MONO DE CLASSE D

AMPLIFICATORE MONOFONICO DI CLASSE D

AMPLIFICADOR MONO CLASED

PykoBoDCTBO noIb30BaTeJIa

ThankyouforpurchasingthisPIONEERproduct.

Toensureproperuse,pleasereadthrougthismanualbeforeusingthisproduct. Pleasekeepthemanualinasafeandaccessibleplaceforfuturereference.

Beforeyoustart

Incaseoftrouble3

AboutThisProduct3

Beforeconnecting/installingtheamplifier3

SettingtheUnit

What'swhat5

Settinggainproperly5

Connectingtheunits

Connectiondiagram7

Beforeconnectingtheamplifier7

Connectingthespeakers8

Connectionswhenusingthespeakerinput wire8

Connectingthepowerterminal9

Connectingthespeakeroutput terminals10

Installation

Beforeinstallingtheamplifier11

Exampleofinstallationonthefloormator chassis11

Additional information

Specifications12

Beforeyoustart

Ifyouwanttodisposethisproduct,donotmix itwithgeneralhouseholdwaste.Thereiseaseparatecollectionsystemforusedelectronic productsinaccordancewithlegislationthatrequirespropertreatment,recoveryandrecyclng.

Privatehouseholdsinthememberstates of theEU,inSwitzerland and Norway may return theirusedelectronicproductsfreeofcharge todesignatedcollectionfacilitiesortoaretailer(ifyoupurchaseasimilarnewone).

For countriesnotmentionedabove,please contactyourlocalauthoritiesforthecorrect methodofdisposal.

Bydoingsoyouwillensurethatyourdisposed productundergoesthenecessarytreatment, recoveryandrecyclingandthuspreventpotentialnegativeeffectsontheenvironment andhumanhealth.

Incaseoftrouble

Shouldthisproductfailtooperateproperly, pleasecontactyourdealerornearestauthorizedPioneerServiceStation.

AboutThisProduct

Thisproductisamonoamplifierforsubwoofer.If bothL(left)andR(right)channelsareconnected totheRCAinputofthisproduct,outputismixed becausethisproductisamonoamplifier.

Beforeconnecting/ installingtheamplifier

WARNING

Theuseofaspecialredbatteryandground wireRD-223,availableseparately,isrecommended.Connectthebatterywiredirectlyto thecarbatterypositiveterminal ④ andthe groundwiretothecarbody.
- Thisunitisforvehicleswitha12Vbattery and negativegrounding.Beforeinstallinginrecreationalvehicles,trucksorbuses,checkthe batteryvoltage.
Theblackcableisground.Wheninstalling thisunit,makesuretoconnecttheground wirefirst.Ensurethatthegroundwireisproperlyconnectedtometalpartsofthecar's body.Thegroundwireoftheoneofthisunit mustbeconnectedtothecarseparatelywith differentscrews.lfhrescrewfortheground wireloosensorfallsout,itcouldresultinfire, generationofsmokeormalfunction.
- Useafuseoftheratingprescribed.
- 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 identical equivalent.
- Alwaysinstalltheamplifieronaflatsurface. Donotinstalltheamplifieronasurfacethat isnotflatoronasurfacewithaprotrusion. Doingsocouldresultimalfunction.
- Wheninstallingtheamplifier, donotallow partssuchasextrascrewstogetcaughtbetweentheamplifierandtheautomobile. Doingsocouldcausemalfunction.
- Donotallowthisunittocomeintocontact withliquids. Electricalshockcouldresult. Also,damagetothisunit,smoke,andoverheatingcouldresultfromcontactwithliquids. Thesurfacesoftheamplifierandanyattached speakersmayalsoheatupandcauseminor burns.

• Intheeventofanyabnormality, the power supplytotheamplifieriscutofftoprevent equipmentmalfunction. Ifthisoccurs, switch thesystempowerOFFandcheckthepower supplyandspeakerconnections. Ifyouareunabletodeterminethecause, pleasecontact yourdealer.
• Disconnectthenegativeterminalofthebatterybeforeinstallation.

CAUTION

• Alwayskeep the volume lowened to hear outside sounds.
• Extendeduseofthecarstereowhiletheengineisatrestoridlingmayexhaustthebattery.
• Connecteithertoftwosubwooferstotheamplifier;1:asubwooferwitha250Worlargernominalinputandanimpedance4Ω, or 2 : asubwooferwitha420Worlargernominalinputandanimpedance2Ω.Ifthenominalinputandimpedanceareoutoftheaboveranges,thesubwoofermaycatchfire,emitsmokeorbecomedamaged.

SettingtheUnit

What'swhat

Frontside

Rearside

Toadjusttheswitch,useaflatheadscrewdri- verifneeded.

①Powerindicator

Thepowerindicatorlightsuptoindicate powerON.

②GAIN(gain)control

Ifoutputremainslow,evenwhenthecar stereovolumeisturnedup,turncontrolsto lowerlevel. Ifdistortionoccurswhenthecar stereovolumeisturnedup, turntheseconrolstohigherlevel.

• ForusewithanRCAequippedcarstereo (standardoutputof500mV),settothe NORMALposition.ForcewithanRCA equippedPioneercarstereo,withmax. outputof4Vormore,adjustlevelto matchthatofthecarstereooutput.

• Ifyouheartoomuchnoisewhenusing thespeakerinputterminals,turnthe gaincontroltohigherlevel.

③ BASSBOOST(bassboostlevelcontrol) switch

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

④LPF(low-passfilter)switch

Switchthesettingsbasedontheconnected speaker.

• WhentheSubwooferisconnected: SelectON.Thiseliminateshighrange frequency and outputslowrange frequency.
• Whenthefullrangespeakerisconnected:

SelectOFF.OFFoutputstheentirefrequencyrange.

LPF(low-passfilter)cutofffrequency control

You can select acutoffrequency from 40 Hz to 240 Hz.

Settinggainproperly

• Protectivefunctionincludedtoprevent malfunctionoftheunitand/orspeakers duetoexcessiveoutput,improperuseor improperconnection.
• When outputting high volumesoundetc., this function cuts off the output for a few seconds as anormalfunction, but output is restored when the volume of the head unitisturned down.
• Acutinsoundoutputmayindicateimpro-persettingofthegaincontrol.Toensure continuousoundoutputwiththehead unitatahighvolume,setamplifiergain controtoalevelapproprieforthepreout 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

Signalwaveformdistortedwithhighoutput,if youraisethegainoftheamplifierthepower changesonlyslightly.

Connectingtheunits

Connectiondiagram

①Specialredbatterywire RD-223(soldseparate
Aftercompletingallotheramplifierconnections,finallyconnectthebatterywireterminal oftheamplifiertothepositive () battery terminal.
②Groundwire(Black)
RD-223(soldseparately)
Connecttoaclean,paint-freemetallocation.
③ CarstereowithRCAoutputjacks(soldseparately)
④ Externaloutput
⑤ConnectingwirewithRCApinplugs(soldseparately)
⑥RCAinputjack
⑦ Systemremotecontrolwire(soldseparately) Connectmaleterminalofthiswiretothesystemremotecontrolterminalofthecarstereo. Thefemaleterminalcanbeconnectedtothe auto-antennarelaycontrolterminal.lfhecar stereolacksystemremotecontrolterminal,

connectthemaleterminaltothepowerterminalviatheignitionswitch.

⑧ Speakeroutputterminals Pleaseseethefollowingsectionforspeaker connectioninstructions.RefertoConnections whenusingthespeakerinputwireonthenthenthpage.

⑨Fuse(40A)

Fuse(30A)×2

①Grommet

12Rearside

③ Frontside

Beforeconnectingthe amplifier

WARNING

• Securethewiringwithcableclampsoradhesivetape.Toprotecttthewiring,Wrapsectionsincontactwithmetalpartsinadhesivetape.
• Nevercuttheinsulationofthepowersupply tofeedpowertootherequipment.Current capacityofthewireislimited.

CAUTION

• Nevershortenanywires, the protection circuit may malfunction.
• Neverwirethespeakernegativecabledirectlytoground.
• Neverbandtogethermultiplespeaker'snegativecables.
• Ifthesystemremotecontrolwireoftheamplifierisconnectedtothepowerterminalviathe ignitionswitch(12VDC),theamplifierwillremainonwiththeignitionwhetherstearstereoisonoroff,whichmayexhaustbattery iftheengineisatrestoridling.

Connectingtheunits

Installandroutetheseparatelysoldbattery wireasfaraspossiblefromthespeakerwires. Installandroutetheseparatelysoldbattery wire,groundwire,speakerwiresandtheamplifierasfarawayaspossiblefromtheantenna,antennacableandtuner.

Connectingthespeakers

Connectthespeakerleadstosuitthemode accordingtothefiguresshownbelow.

One-channeloutput

①Subwoofer

Connectionswhenusing thespeakerinputwire

Connectthecarstereospeakeroutputwires totheamplifierusingthesuppliedspeaker inputwirewithRCApincord.

①CarStereo
②Speakeroutput
③Red:Right

④Black:Right
⑤Black:Left-
⑥White:Left
⑦SpeakerinputwirewithRCApincord TotheRCAinputjackofthisunit

Note

• If speaker wires with an RCA pincord from a headunit are connected to this amplifier, the amplifier will automatically turn on when the headunit is turned on. Whenthe headunit is turned off, the amplifier turns off automatically. This function may not work with some headunits. Insuch cases, please use asystemremotecnrolwire(sold separately). If multiple amplifiers are connected togethersynchronously, connect the headunit and all amplifier viathesystemremotecntrlwire.
• Connectthesystemremotecontrolwirewhen youwishtoonlyturnnonthecarstereo,notthe amplifier.
• This amplifier automatically selects an input signal mode between the RCA level and the speaker level by detecting an input signal.

Connectingtheunits

Connectingthepowerterminal

Theuseofaspecialredbatteryandground wireRD-223,availableseparately,isrecommended.Connectthebatterywiredirectly tothecarbatterypositiveterminal () and thegroundwiretothecarbody.

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.

Aftercompletingallotheramplifierconnections,finallyconnectthebatterywireterminal oftheampliertothepositive () battery terminal.

① Positive () terminal
② Enginecompartment
③Vehicleinterior
④Fuse(30A)×2
⑤InserttheO-ringrubbergrommetintothe vehiclebody.
⑥ Drilla14mmholeintothehvehiclebody.

2Twistthebatterywire,groundwire andsystemremotecntrlwire.

3Attachlugstowireends.Lugsnotsupplied.

Usepliers,etc.,tocrimplugstowires.

①Lug
② Batterywire
③Groundwire

4Connectthewirestotheterminal.

Fixthewiressecurelywiththeterminal screws.

①Systemremotetocontrolterminal
②GNDterminal
③Powerterminal

Connectingtheunits

④Terminalscrews
⑤Batterywire
⑥Groundwire
⑦Systemremotecontrolwire

Connectingthespeaker outputterminals

1Exposetheendofthespeakerwires usingnippersoracutterbyabout10mm andtwist.

2Attachlugstospeakerwireends.Lugs notsupplied.

Usepliers,etc.,tocrimplugstowires.

①Lug
②Speakerwire

3Connectthespeakerwiresthespeakeroutputterminals.

Fixthespeakerwiressecurelywiththeterminalscrews.

①Terminalscrews
②Speakerwires
③Speakeroutputterminals

Beforeinstallingtheamplifier

WARNING

• Donotuseunauthorizedpartsasthismay causemalfunctions.
• Donotinstallthisunitwhere:
  -itmayinterferewithoperationofthevehicle.
  -itmaycauseinjurytoapassengersaresultofasuddenstop.
  Installtappingscrewsinsuchawaythatthe screwtipdoesnn'touchanywire.Thisisimportanttopreventwiresfrombeingcutbyvibrationofthecar,whichcanresultinfire.
• Placeallcablesawayfrommovingparts,such asthegearshiftandseatrails.
• Whendrillingtoinstalltheamplifier,always confirmnopartsarebehindthepaneland protectallcablesandimportantequipment (e.g.fuel/brakelines,wiring)fromdamage.

CAUTION

Toensureproperheatdissipationoftheamplifier,ensurethefollowingduringinstallation:Allowadequatespaceabovetheamplifierforproperventilation.Donotcovertheamplifierwithafloormat orcarpet.
- Placeallcablesawayfromhotplaces,such asneartheheateroutlet.
Theoptimalinstallationlocationdiffersdependingonthecarmodel.Securethempliferatasufficientlyrigidlocation.
- Checkallconnectionsandsystemsbefore finalinstallation.
Afterinstallingtheamplifier, confirmthat the spare tire, jackandtoolscanbeeasilyremoved.

Exampleofinstallationon thefloormatorchassis

1Placethemamplifierinthedesiredinstallationlocation.

Insertthesuppliedtappingscrews(4mm× 18mm)intothescrewwholesandpushonthe screwswithascrewdriversotheymakeanimprintwheretheinstallationholesaretobelocated.

2Drill2.5mm diameter holes at the imprintseither on the carpeted directly on the chassis.

3Installtheamplifierwiththeuseof suppliedtappingscrews(4mm×18mm).

①Tapping-screws(4mm×18mm)
②Drillaa.5mm diameterhole
③ Floormatorchassis

Additionalinformation

Specifications

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

Groundingsystem.. Negativetype

Currentconsumption.18A(atcontinuouspower, 4Ω)

Averagecurrentdrawn.....5.2A(4Qforonechannel) 10.3A(2Qforonechannel)

Fuse. 40A×1

Dimensions(W×H×D)...245mm×56mm×200 mm

Weight.21kg(Leadsforwiringnot included)

Maximum power output ....400 W x 1 (4 Ω) / 800 W x 1 (2Ω)

Continuouspoweroutput...200W×1(at14.4V,4Ω,20 Hzto240Hz,≤1%THD)

400W×1(at14.4V,2Ω,50

Hz,≤1%THD)

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

Frequencyresponse.10Hzto30kHz(+0dB,3 dB)

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

Distortion.0.03%10W,100Hz)

Lowpassfilter: Cutofffrequency.40Hzto240Hz Cutoffslope.12dB/oc

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

Gaincontrol: RCA.200mVto6.5V Speaker. 0.8Vto10V

Maximuminputlevel/impedance: RCA. .6.5V/22kΩ Speaker. .10V/22kΩ

Notes

• Specificationsandthedesignaresubjectto modificationswithoutnotice.
  Theaveragecurrentdrawnisnearlythemaximumcurrentdrawnbthisisunitwhenanaudiosignalinput.Usethisvaluewhenworkingouttotalcurrentdrawnbymultiplepoweramplifiers.

Tabledesmatieres

Deversterkingsfactor (gain)instellen

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