DIGISYNTHETIC DSP1800 User manual

Brand: DIGISYNTHETIC

Model: DSP1800

Category: Audio amplifiers

Type: User manual

This manual is also suitable for

USERMANUAL

INTEGRATEDDSPPOWERAMPLIFIER

DIGISYNTHETIC

DSP4800

DSP3200

DSP2240

DSP1800

DSP1400

DSP2200

DSP1200

DSP4800E

DSP3200E

DSP2240E

DSP1800E

DSP1400E

DSP2200E

DSP1200E

ESERIESPROFESSIONALAMPLIFIER

WARNING

DANGER

WARNING

Whenusingelectricproducts,basicprecautionsshouldalwaysbefollowed:

1.ReadalltheSAFETYINSTRUCTIONSbeforeusingtheproduct.

2.Thisproductmustbeearthed.Ifithasmalfunctionorbreaksdown,groundingprovidesapathof

leastresistanceforelectriccurrenttoreduceriskofelectricshock.

Thisproductisequippedwithacordhavinganequipment-groundingconductorandagroundingplug.

Theplugmustbepluggedintoanappropriateoutletthatisproperlyinstalledandearthedin

accordance

withalllocalcodesandordinance.

-Improperconnectionoftheequipment-groundingconductorcanresultinariskof

electricshock.Checkwithaqualifiedelectricianorservicemanifyouareindoubtastowhetherthe

productisproperlygrounded.Donotmodifytheplugprovidedwiththeproduct-ifitwillnotfittheoutlet,

haveaproperoutletinstalledbyaqualifiedelectrician.

3.Toreducetheriskofinjury,closesupervisionisnecessarywhentheproductisusednearchildren.

4.Donotusethisproductnearwater-forexample,nearabathtub,washbowl,kitchensink,inwet

basementornearaswimmingpoolorthelake.

5.Thisproductmaybecapableofproducingsoundlevelsthatcouldcausepermanenthearingloss.

Donotoperateforalongperiodoftimeathighvolumeleveloratalevelthatisuncomfortable.Ifyou

experienceanyhearinglossorringingintheears,youshouldconsultanaudiologist.

6.Thisproductshouldbelocatedsothatitslocationorpositiondoesnotinterferewithitsproper

ventilation.

7.Thisproductshouldbelocatedawayfromheatsourcessuchasradiators,heatregistersorother

productsthatproduceheat.

8.Theproductshouldbeconnectedtoapowersupplyonlyofthetypedescribedontheoperating

instructionsorasmarkedontheproduct.

9.Thisproductmaybeequippedwithapolarizedlineplug(onebladewiderthantheother).Thisisa

safetyfeature.Ifyouareunabletoinserttheplugintotheoutlet,contactanelectriciantoreplaceyour

obsoleteoutlet.Donotdefeatthesafetypurposeoftheplug.

10.Thepower-supplycordoftheproductshouldbeunpluggedfromtheoutletwhenleftunusedfora

longperiodoftime.Whenunpluggingthepower-supplycord,donotpullonthecord,butgraspitby

theplug.

11.Careshouldbetakensothatobjectdonotfallandliquidarenotspilledintotheenclosurethrough

openings

12.Theproductshouldbeservicedbyqualifiedservicepersonnelwhen:

A.Thepower-supplycordortheplughasbeendamaged;

B.Objectshavefallen,orliquidhasbeenspilledintotheproduct;

C.Theproducthasbeenexposedtorain;

D.Theproductdoesnotappeartooperatenormallyorexhibitsamarkedchangeinperformance;

E.Theproducthasbeendroppedortheenclosuredamaged.

13.Donotattempttoservicetheproductbeyondthatdescribedintheuser-maintenanceinstructions.

Allotherservicingshouldbereferredtoqualifiedservicepersonnel.

-Donotplaceobjectsontheproduct'spowercordorplaceitinapositionwhere

anyonecouldtripover,walkonorrollanythingoverit.Donotallowtheproducttorestonortobe

installed

overpowercordsofanytype.Improperinstallationsofthistypecreatethepossibilityoffirehazardand/

orpersonalinjury.

IMPORTANTSAFETYINSTRUCTION

Installation&operatinginstruction

Mainspowerconnection.

Beforeconnectingthepowercabletothemains,alwaysmakecertainthatitisnot

damagedandthattherearenobarewires,alwaysconnectthepowercabletothe

amplifierbeforeswitchingitonandonlyremovethecableafterswitchingitoff.

Switchingonandoff.

Inanaudiosystem,it'salwaysbettertoswitchpoweramplifiersonlastandofffirst.

Remembertoswitchofftheamplifierbeforeconnectingittoordisconnectingitfromother

unitsandtoswitchalwaysonfirstthemixerandthentheamplifie:inthismanner,peaks

whichareannoyingandsometimesdangerousparticularlyfortheloudspeakersenclosures

areavoided.ItisnormalfortheLEDstolightupforafewmomentswhenswitchingon.

Handling.

Donotforceknobsandconnectors,astheycouldbedamagediftreatedwithexcessive

force.

Connectionsandpreventionofpossibleinterference.

Avoidinstallingyourequipmentnearradios,televisions,etc.,sincetheycouldcausenoisy

disturbance.Whenconnectingtheotherunitsinyoursoundsystem,watchoutfortoso-

calledearth-loops,whichcancausehum:intheeventofinterference,tryusingtheEARTH

switchontheamplifier'srearpanel.

Connectorcables.

Toconnecttheamplifiertothemixer,alwaysmakecertaintouseonlysignalcables

(screenedcablesmadeupoftwowiresplusabraidscreen),notpowercables(speaker

cables,normallymadeupoftwowires,usuallywithagreatercross-section):toconnectthe

amplifiertotheloudspeakerenclosures,alwaysusepowercables,notsignalcables,asin

thelattercaseinfact,thepowerfromtheamplifierswouldbepartiallydispersebecauseof

thecable'ssmallercross-section.

Takecareoftheconnectorcables.Alwaysholdthembytheconnectors,avoidingpulling

thewireandavoidknotsandtwistswhencoilingthem:thisgivestheadvantageof

increasingtheirlifeandreliability.

Aircirculationforcooling.

Amplifier'scorrectcoolingisensuredbyaninternalfan,thespeedofwhichiscontrolled

byaspecialsensor(thespeedisproportionaltooutputpowerandthereforethe

temperaturegenerated):remembernevertoblocktheairventslocatedontheunit'ssidesin

anyway:theairnecessaryforcoolingpassesthroughthese.

Iftheamplifieriskeptinaflight-caseduringuse,makecertainthatithassufficientopenings

atboththeamplifier'sairvents.Avoidlocatingitverysmallspaceswhichdon'tallowcorrect

aircirculation.

Beforeconnectingtheamplifiertothemainspowersocket,makecertainthatthevoltage

correspondswiththatindicatedontherearoftheunit(anallowanceof10%isacceptable).

FEATURE

Integratedsystem

rateA/D,D/A,

8ms),phaseinvert,inputgaincontrol

-18,-24AND48dBButterworth,Linkwitz-Rileyfilter

Perfectelectronicprotections:shortcircuit/overloadprotection,overheating

protectionanddirectcurrentexcursionprotection.

Networkcontrol

Built-in48-bitDSPprocessoranddynamicrangeupto116dB,48kHzsampling

Lownoiseandlowerdistortion

Well-designedsignalgenerator:sinwaveandwhitenoise

S/PDIFinput/output(option)

Matrixcontrol,upto255unitscontrolledbyselectingaddresscode

SaveandrecallallparametersviaPCparallelport

3bandsPEQ,limiter(threshold,attacktimeandreleasetimeadjusted),

Twocrossover,range:20Hz-20kHz.Crossoverfrequencyadjusted.Slope:

Threeoutputmodes:stereo,monoandbridge(onlyforDSP1400,DSP1400E,

THD+N:0.08%@1kHz

Frequencyresponse:20Hz-20kHz

220LCDdisplaywithbacklit

delay(max

-6,-12,

DSP2200E,DSP1200E)

CONTROLPANEL

A.FRONTPANEL

1.CHA:AdjustthevolumeofchannelA

2.CHB:AdjustthevolumeofchannelB

3.INPUTINTERFACETOPC

4.OUTPUTINTERFACETOPC

6.POWER:ON/OFF

Note:Presstherotaryencoder(1,2)toswitchbetweentheCHA/Band

CHC/D.

5.220LCDDISPLAYWITHBACKLIT

CHA/C:AdjustthevolumeofchannelA/C(onlyforDSP4800&DSP4800E)

CHB/D:AdjustthevolumeofchannelB/D(onlyforDSP4800&DSP4800E)

B.REARPANEL

1.Balancedinput(odB/30kOhm):Forallthemodels,bothCHAandCHBhave

onepairofbalancedinputwithcannonconnector.

2.Poweroutput:outputshouldbeconnectedtotheloudspeaker.TheCHA/CHB

outputsofDSPseriesamplifierhaveonewaterproofjackandonegroupof

bindingpost.

Note:

Theratedpowerandtheimpedanceloadofloudspeakerorloudspeakersystem

mustmatchtheamplifier(seetechnicalspecification).Pleaseusethespeaker

cableonly(normallyprovidedwithoneredandoneblackwire).Donotusethe

signalcable(normallyusedformicrophoneandaudioequipment).

3.EarthedON/FLOATING

Separatethesignalearthfromthechassis.

Usingthisselectortobreakearthloopswhichcanformwhenseveralunitsare

connected.

4.Power:AC230V10%50-60Hz.

5.Airvents

Note:

ThefanoftheDSPseriescoolingsystemcreatesaflowofairwiththedirectionfrom

fronttoback.Thatmeanstheairistakenfromtheopeningonthefrontandis

expelledthroughtheopeningonthefrontaftercoolingtheheatsinksand

transformer.

Attentionmustbepaidtoavoidblockingtheseopenings.Andneverplacethe

amplifier

inwhichthereisnotsufficientaircirculation.

BALANCED

0dB

30KOHM

CH.BIN

LINK

OTUPUT

IMPEDANCE

16OHM

8OHM

4OHM

PIN1+2:

PIN1-1-: +

-+-

LINK LINK

OTUPUT

IMPEDANCE

16OHM

8OHM

4OHM

PIN1+2:

PIN1-1-: +

CH.BOUT CH.AOUT

BALANCED

0dB

30KOHM

CH.AIN

LINK

EARTH

SERIALNo

POWERINPUT

AC230V10%

5060Hz

OPERATIONINSTRUCTION

I:OFFLINEMODE:

Switchonthepower,thesystemaccessestheOFFLINEmode.

A.Adjustthevolume:turnCHA/CHBbuttontoadjusttheinputlevelofCHA/CHB.

B.SetuptheamplifierID:

PressCHAbuttonforabout3seconds,theLCDshowsasfollows:

Then,turnCHAtochangetheamplifierIDfrom1to255.PressCHAbuttonagain

andsavethesetting.

C.Loadprogram

PresstheCHBbuttonforabout3seconds,theLCDshowsasfollows:

Then,turnCHAtoselectoneprogram(1-11).PressCHBbuttonagain,savethe

settingandloadtheselectedprogram.Atthesametime,theLCDshows:

LOADING..........Severalsecondslater,theLOADINGisfinishedandthesystem

returnthemenu

D.SETUPVOLUMEPROTECT

UnderthemenuofLOADPROGRAM,presstheCHBbuttonagainforabout3

secondsandthentheLCDshowsasfollows:

TurntheCHBbuttontoswitchon/offAUTOMUTE.Then,presstheCHBbuttonagain

tosavethesetting.

AUTOMUTE:ON.Whenthepowerison,thevolumeofCHA/CHBisMUTE

automatically.

AUTOMUTE:OFF.Whenthepowerison,thevolumeofCHA/CHBcomestothe

settingwhenpowerwasofflasttime.

1.Among11programs,No.11isnotusedundertheonlinemodewithoutPEQ,

XOVERandDELAY.Theother10programscanbesavedandrecalledonthe

onlinemode.

2.ThevolumeismuteautomaticallyaftereveryLOADPROGRAM.

3.Whenthesystemswitchesfromtheonlinemodetotheoffline,thesystemcan

loadtheprogramthatissavedunderthonlinemode.Atthesametime,the

volumeismuteautomatically.

NOTE:

SETUPAMPLIFIERID

DEVICENO.#1

AmplifierID

ProgramNumber

Programname

LOADPROGRAMP11

NOPEQ+XOVER+DELAY

：

VOLUMEMUTEPROTECT

AUTOMUTEON

：

II:ONLINEMODE

1.ConnecttheamplifiertoPCwiththerightcable:insertoneendotcableinto

parallelportof

PCandtheotherendintothePCREMOTEinthefrontpanelofamplifier.StartDSP6

testingsoftware.

2.CONNECTION

ClicktheDebugbuttonandthenclickConnect.Selectonedevicenumber(1-

255).Ifthisnumberis

thesameastheamplifierID,theLCDshowsasfollows:

Atthattime,thesystemcanbetestedbyDSP6software.Allthefunctionsunder

theofflinemodeisnotvalid.

3.DISCONNECT

ClickDebugbuttonandthenclickDisconnect,theLCDshowsasfollows:

Thenthesoftwaretestingisnotvalid.Thesystemreturntheofflinemode.

Regardingtheoperation

ofDSP6software,pleaserefertotheonlinehelpofit.

CONNECTCANCEL

MCU_CONTROLDEVICE

CONNECTSUCCESSFUL

PC_CONTROLDEVICE

DIGISYNTHETIC

DSP3200

24BITDSPSTEREOPOWERAMPLIFIER

48KHzSAMPLINGRATE

CHB

OUTPUTINPUT

PCREMOTE

CHA POWER

DIGISYNTHETIC

DSP3200

24BITDSPSTEREOPOWERAMPLIFIER

48KHzSAMPLINGRATE CHB

OUTPUTINPUT

PCREMOTE

CHA POWER

DIGISYNTHETIC

DSP3200

24BITDSPSTEREOPOWERAMPLIFIER

48KHzSAMPLINGRATE CHB

OUTPUTINPUT

PCREMOTE

CHA POWER

Thesoftwareadoptstheadvancedtelecommunicationcontroltechnology.The

usercancontrolthegain,EQ,crossover,delay,limiter,programmanagementetc.

throughtheinterfacesoftware.Thebelowintroducesestablishtheconnectionand

programmanagementoperation.

A.Establishtheconnection

1.InstallingtheSoftware

Runtheapplication<>.SetupwillinstalltheDSP6applicationontoyourPC.You

canacceptthedefaultdirectory,orspecifyadifferentlocationtoinstallthe

application.

2.ConnectingaPC

Useastandardcomputercable(accessorywiththeunit)toconnectaPCtothe

DSPamplifier.

3.ConfigureCOMport

ClickonToolsinthetopmenubar,andselectCOMSetup...toopentheCOMSetup

window.TheapplicationusesCOM1onthePCbydefault.Ifnecessary,youcan

changetheCOMportusedbytheapplication.ClicktheCOMSelect:COM1pull-

downboxintheCOMSetupwindow,alltheserialportsavailableinthePClist

automatically,thenselectthedesiredCOMportandclickOKbutton.

SelectSearch...toopensearchfunctionthatwillfindoutalltheunitsinthenet.The

multipleunitswiththesameAddress(masterID)anddifferentSubAddress(slaveID)

cannotbeidentified.YoucanidentifysuchunitsonlyfromtheSubAddress(slave

ID),pleasekeeptheSubAddress(slaveID)sothatyoucancontrolsuchunitswhen

connectingwithPC

III.PCSOFTWAREOPERATION

4.EstablishtheCommunicationConnect

SelectConnectbuttontoopentheConnectwindow.FillintheAddand/orSubAdd

toselecttheunit.ClickConnecttogo,Thenyoucanadjusttheamplifiers

parametersofgain,EQ,crossover,delay,compress/limit,modeetc..

TheAddress(mainID)isfrom1to255thatcanbesetupbytheuserfreely.TheSub

Address(slaveID)isfrom1to65536thatispresetinthefactoryandcantbechanged.

TheSubAddresswilldisplayeachtimetheunitpowersonorpresstheleftjog-wheel

afterturningon.

online,

Theunitismute(default)ifmuteisselectedbyclickingtheMUTEcheckbox,otherwise

theunitgainremains.

DisconnectmeanstheunitconnectinggoesoutofthePCcontrol.Theunitwillreload

theprogramautomaticallywhiledisconnect.Thegainwillescalategraduallyupto

theprogramgainiftheprogramgainisnotmuteandAUTOMUTEisOFF(refertoSETUP

VOLUMEPROTECTinamplifiermanual).

NOTE:

TheusermustfillinSubAdd(slaveID)toconnecttheunitiftwooraboveunitswith

thesameAdd(masterID).Otherwisethesystemwouldconnectalltheunitswith

thesameAdd(masterID)tocausecommunicationmalfunction.

IfnounitshavethesameAdd(masterID),theusercanconnecttheunitswithout

SubAdd(slaveID)setup.

Thepresentconnectunitdisconnectsautomaticallyeverytimeconnectinga

newunit.

ClickDevicebuttontoopentheDevicewindow.TheusercanmodifytheNameof

theunitandmanagethedeviceinformationbeforeconnect.Themaximumunits

canbemanagedare255.Selectadevice,clickOKbutton,thedeviceinformation

willbesenttotheConnectwindow.

B.ProgramManagement

Aprogramcanbestoredinanyoneofthe20availablememorylocations.The

No.21programisadefaultone,whocantberefreshed,EQandLimitercurveis

smooth.Nodelay.Thephaseiszero. '

Refresh:Writethecurrentprogramcontentintotheunit.Thesymbol

indicatestherearesetupparametersinprogram.Viceversa.

"[###]"

Upload:Recalltheprogram,andsetuptheprogramnumberasthecurrentone,

muteandpasstheparameterstothePCprograminterface.

FileDown:DownloadthefilestoredinPCintotheunitastheprogram.

SetupDown:Collectthecurrentinterfaceparameterstoformaprogramanddown-

loadintotheunit.

Delete:Deletethecurrentprogram.

DeleteAll:Deletealltheprograms.

Save:StoreaprograminPC.

TheusercanselectthefilegaininFileDownmode(theparametergaininSetup

Downmode)ormutewhendownloadtheprogram.Suchgaincanbeeffectiveonly

iftheunitisintheofflinemodeandAUTOMUTEisOFF.Inonlinemode,theunitwill

downloadthefileandrecalltheprogramwhenNeworOpenthefile.Ifthecurrent

programisNo.21,theusercantNeworOpenthefile.'

Note:

Allthecommunicationstatesareindicatedinthebottomleftcorner.

1istheAdd(masterID),Finish...indicatesthecommunication(sendorreceive)is

completed.

PleaseWait...indicatesthedatahasnotbeensentout,Pleasewait.

Record...indicatesthecorrectreturnsignalisnotreceived.Pleaseoperateagain

orcheckthecommunicationline.

1.MENUCOMMAND

Filemenu

OpenOpenanexistingFileofPC

SaveSavecurrentsettingtoPC

ReadFromMemoryReadtheparametersoftheprogram

SendToMemorySavethevalueofparameterstotheprogram

ExitExitPCapplication

Modemenu

StereoStereomode,theinputandoutputofleftandrightchannelis

independent

BridgeBridgemode,theoutputphaseofleftandrightchannelisreverse

monoMonomode,theoutputphaseofleftandrightchannelissame

Testmenu

SinewaveSinewavetest,generatethesinewavesignalfortestingthesystem.

Frequencyrange:20Hz~20kHz

Noisewhitenoisetest,generatethewhitenoisesignalfortestingthe

system

Debugmenu

connectConnectthedevicetoPCandthencontrolledbyPC

DisconnectDisconnectthedeviceawayfromPC

Helpmenu

Contentindextotopics

AboutDSP_6Versionandtheinformationofcompany

2.PARAMETERADJUSTMENT

Underthemaininterface,clicktherelevantbuttontoadjusttheparametersof

Gain,PEQ,Xover,D

Elay,PhaseandLimiter

1)Gain

ClickG

ainbuttontosettheleveloftheLeft/rightChannel.Volume Range:-60dB

to6dB.

2)PEQ

Click"PEQ"buttonandthenthefrequency,gain,Qvalueandflat(on/off)of5

bandPEQcanbeset.

Frequencyrange:19.7Hz~20.2kHz

Qvaluerange:0.4~128

3)Xover

ClicktheXoverbuttonandthentheparametersoffilter(slopeandfrequencyof

HPF/LPF)canbeset.TheMinimumFrequencyofL

PFisnotlowerthanThemaximum

frequencyofH

4)Delay

ClicktheDelaybuttonandthenthedelayunitanddelaytimecanbeset.Max

delay:8ms.

5)Phase

Clickthe180checkboxto selectThereversephase: 0,180.

6)Limiter

ClicktheLimiterbuttonandthenthethreshold,holdtime,attacktimeand

releasetimecanbeadjusted.Usedforprotectingthesystem.

CONNECTORCABLE

Thefollowingdiagramsillustratethewiringofthevarioustypesofsocketsthatcanbe

usedwiththeDSPpoweramplifiers.

Toconnecttheamplifiertothemixer,alwaysmakecertaintouseonlysignalcables

(screenedcablesmadeupoftwowiresplusabraidscreen),notpowercables(speaker

cables,normallymadeupoftwowires,usuallywithagreatercross-section):theuseof

unscreenedcablescouldinfactcauseannoyingbuzzesandbackgroundnoise.We

thereforealwayssuggesttheuseofbalancedcablesformicrophonesandlineunits

wheneverpossible.

Toconnecttheamplifiertotheloudspeakerenclosures,alwaysuseonlypower

cables,notsignalcables,asinthelattercaseinfact,thepowerfromtheamplifierswould

bepartiallydispersedbecauseofthecable'ssmallercross-section.

Takecareoftheconnectorcables.Alwaysholdthembytheconnectors,avoiding

pullingthewireandavoidknotsandtwistswhencoilingthem:thisgivestheadvantageof

increasingtheirlifeandreliability.Checkyourcablesperiodically,makingcertainthatthey

areingoodcondition,thattheconnectorsarecorrectlywiredandcontactsperfectly

efficient:infact,manyproblemsandsetbacks(faultycontacts,groundhum,disturbance,

etc.)areduetotheuseofunsuitableoffaultycables.

Balancedcannonfemaleconnector

PCOUTPUT

HOT(+)

GROUND

COLD(-)

SPECIFICATION

RackSize:3U,Power(RMS):

-DSP4800

-DSP320021000W(8),RMS21700W(4)41kg

-DSP22402850W(8),RMS21300W(4)39kg

-DSP18002650W(8),RMS21000W(4)35kg

-DSP14002450W(8),RMS2700W(4)BRIDGE1300W(8)29kg

SNR>90dB

THD+N0.08%@1kHz

IMD0.1%8?,1kHz@1W

Frequencyresponse20-20kHz(+0,-0.5dB)

Inputsensitivity/impedance0dB(0.775Vrms)/30k?

Crosstalk>50dB

Dampingfactor>500:1@1kHz/8?

Phaseresponse-18 °@20Hz

+25°@20kHz

Voltagegain40dB@1kHz/8?

ProtectionDC,overload,thermaland

shortedprotection

StandardpowerAC110V±10%50-60Hz

Dimension483?32?95mm

Grossweight

☆

×Ω×Ω×Ω

×Ω×Ω

×Ω×ΩΩ

☆RackSize:2U,Power(RMS):

-DSP2200:2×450W(8Ω);2×750W(4Ω);Bridge:1300W(8Ω)30kg

-DSP1200:2×350W(8Ω);2×600W(4Ω);Bridge:1000W(8Ω)31kg

☆

×Ω×Ω×Ω

4450W(8);4700W(4);Bridge:21300W(8)39kg

-DSP4800E:4450W(8);4700W(4);Bridge:21300W(8)39kg

RackSize:3U,Power(RMS):

-DSP3200E:2×1000W(8Ω);2×1700W(4Ω);2×2100W(2Ω)40kg

-DSP2240E:2×850W(8Ω);2×1300W(4Ω);2×1800W(2Ω)37kg

-DSP1800E:2×650W(8Ω);2×1000W(4Ω);2×1200(2Ω)34kg

-DSP1400E:2×450W(8Ω);2×700W(4Ω);2×900W(2Ω);Bridge:1300W(8Ω)

30kg

☆RackSize:2U,Power(RMS):

-DSP2200E:2×450W(8Ω);2×750W(4Ω);2×1000W(2Ω);Bridge:1300W(8Ω)

30kg

-DSP1200E:2×350W(8Ω);2×600W(4Ω);2×800W(2Ω);Bridge:1000W(8Ω)

31kg

DIGISYNTHETIC DSP1800 User manual

Brand: DIGISYNTHETIC

Model: DSP1800

Category: Audio amplifiers

Type: User manual

This manual is also suitable for

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DIGISYNTHETIC DSP1800 User manual

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