Void network 4 dsp schematic

DIGISYNTHETIC

DSP4800
DSP3200
DSP2240

INTEGRATEDDSPPOWERAMPLIFIER

DSP1800
DSP1400
DSP2200
DSP1200

R

ESERIESPROFESSIONALAMPLIFIER

USERMANUAL

DSP4800E
DSP3200E
DSP2240E
DSP1800E
DSP1400E
DSP2200E
DSP1200E

IMPORTANTSAFETYINSTRUCTION

WARNING

Whenusingelectricproducts,basicprecautionsshouldalwaysbefollowed:

1.ReadalltheSAFETYINSTRUCTIONSbeforeusingtheproduct.

2.Thisproductmustbeearthed.Ifithasmalfunctionorbreaksdown,groundingprovidesapathof
leastresistanceforelectriccurrenttoreduceriskofelectricshock.
Thisproductisequippedwithacordhavinganequipment-groundingconductorandagroundingplug.
Theplugmustbepluggedintoanappropriateoutletthatisproperlyinstalledandearthedin
accordance
withalllocalcodesandordinance.

DANGER

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.

-Improperconnectionoftheequipment-groundingconductorcanresultinariskof

WARNING

anyonecouldtripover,walkonorrollanythingoverit.Donotallowtheproducttorestonortobe
installed
overpowercordsofanytype.Improperinstallationsofthistypecreatethepossibilityoffirehazardand/
orpersonalinjury.

-Donotplaceobjectsontheproduct'spowercordorplaceitinapositionwhere

1

Installation&operatinginstruction

Mainspowerconnection.

Beforeconnectingtheamplifiertothemainspowersocket,makecertainthatthevoltage

correspondswiththatindicatedontherearoftheunit(anallowanceof10%isacceptable).

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,watchoutfortoso­calledearth-loops,whichcancausehum:intheeventofinterference,tryusingtheEARTH
switchontheamplifier'srearpanel.

r

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.

2

FEATURE

Integratedsystem

Perfectelectronicprotections:shortcircuit/overloadprotection,overheating

?

protectionanddirectcurrentexcursionprotection.

Networkcontrol

?

Built-in48-bitDSPprocessoranddynamicrangeupto116dB,48kHzsampling

?

rateA/D,D/A,

Lownoiseandlowerdistortion

?

Well-designedsignalgenerator:sinwaveandwhitenoise

?

S/PDIFinput/output(option)

?

Matrixcontrol,upto255unitscontrolledbyselectingaddresscode

?

SaveandrecallallparametersviaPCparallelport

?

3bandsPEQ,limiter(threshold,attacktimeandreleasetimeadjusted),

?

delay(max

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

?

-6,-12,

Threeoutputmodes:stereo,monoandbridge(onlyforDSP1400,DSP1400E,

?

DSP2200E,DSP1200E)

THD+N:0.08%@1kHz

?

Frequencyresponse:20Hz-20kHz

?

220LCDdisplaywithbacklit

?

8ms),phaseinvert,inputgaincontrol

-18,-24AND48dBButterworth,Linkwitz-Rileyfilter

3

CONTROLPANEL

A.FRONTPANEL

1

1.CHA:AdjustthevolumeofchannelA

1

5

5

2

2

3

4

3

6

6

4

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

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

3.INPUTINTERFACETOPC

4.OUTPUTINTERFACETOPC

5.220LCDDISPLAYWITHBACKLIT

6.POWER:ON/OFF
Note:Presstherotaryencoder(1,2)toswitchbetweentheCHA/Band

CHC/D.

4

B.REARPANEL

CH.BIN

BALANCED
0dB
30KOHM

LINK

1

OTUPUT

IMPEDANCE
16OHM
8OHM
4OHM

PIN1+2:
PIN1-1-:

+

-

2

CH.BOUT

-

AC230V10%

5060Hz

LINK

+

POWERINPUT

45

SERIALNo

LINK

3

CH.AOUT

+

EARTH

OTUPUT

IMPEDANCE
16OHM
8OHM
4OHM

+

PIN1+2:

-

PIN1-1-:

-

CH.AIN

BALANCED
0dB
30KOHM

LINK

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.

5

OPERATIONINSTRUCTION

I:OFFLINEMODE:

Switchonthepower,thesystemaccessestheOFFLINEmode.
A.Adjustthevolume:turnCHA/CHBbuttontoadjusttheinputlevelofCHA/CHB.

B.SetuptheamplifierID:
PressCHAbuttonforabout3seconds,theLCDshowsasfollows:

SETUPAMPLIFIERID
DEVICENO.#1

Then,turnCHAtochangetheamplifierIDfrom1to255.PressCHAbuttonagain
andsavethesetting.
C.Loadprogram
PresstheCHBbuttonforabout3seconds,theLCDshowsasfollows:

AmplifierID

LOADPROGRAMP11
NOPEQ+XOVER+DELAY

：

ProgramNumber

Programname

Then,turnCHAtoselectoneprogram(1-11).PressCHBbuttonagain,savethe
settingandloadtheselectedprogram.Atthesametime,theLCDshows:

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

returnthemenu
D.SETUPVOLUMEPROTECT
UnderthemenuofLOADPROGRAM,presstheCHBbuttonagainforabout3
secondsandthentheLCDshowsasfollows:

VOLUMEMUTEPROTECT
AUTOMUTEON

：

TurntheCHBbuttontoswitchon/offAUTOMUTE.Then,presstheCHBbuttonagain
tosavethesetting.
AUTOMUTE:ON.Whenthepowerison,thevolumeofCHA/CHBisMUTE
automatically.
AUTOMUTE:OFF.Whenthepowerison,thevolumeofCHA/CHBcomestothe
settingwhenpowerwasofflasttime.

NOTE:

1.Among11programs,No.11isnotusedundertheonlinemodewithoutPEQ,
XOVERandDELAY.Theother10programscanbesavedandrecalledonthe
onlinemode.

2.ThevolumeismuteautomaticallyaftereveryLOADPROGRAM.

3.Whenthesystemswitchesfromtheonlinemodetotheoffline,thesystemcan
loadtheprogramthatissavedunderthonlinemode.Atthesametime,the
volumeismuteautomatically.

6

II:ONLINEMODE

1.ConnecttheamplifiertoPCwiththerightcable:insertoneendotcableinto
parallelportof
PCandtheotherendintothePCREMOTEinthefrontpanelofamplifier.StartDSP6
testingsoftware.

2.CONNECTION
ClicktheDebugbuttonandthenclickConnect.Selectonedevicenumber(1-

255).Ifthisnumberis
thesameastheamplifierID,theLCDshowsasfollows:

CONNECTSUCCESSFUL
PC_CONTROLDEVICE

Atthattime,thesystemcanbetestedbyDSP6software.Allthefunctionsunder
theofflinemodeisnotvalid.
.

3.DISCONNECT
ClickDebugbuttonandthenclickDisconnect,theLCDshowsasfollows:

CONNECTCANCEL
MCU_CONTROLDEVICE

Thenthesoftwaretestingisnotvalid.Thesystemreturntheofflinemode.
Regardingtheoperation
ofDSP6software,pleaserefertotheonlinehelpofit.

R

DIGISYNTHETIC

DSP3200

#1

#2

CHA

DIGISYNTHETIC

CHA

24BITDSPSTEREOPOWERAMPLIFIER

48KHzSAMPLINGRATE

R

DSP3200

24BITDSPSTEREOPOWERAMPLIFIER

48KHzSAMPLINGRATE

PCREMOTE

OUTPUTINPUT

CHB

PCREMOTE

CHB

POWER

OUTPUTINPUT

POWER

#3

DIGISYNTHETIC

CHA

R

DSP3200

24BITDSPSTEREOPOWERAMPLIFIER

48KHzSAMPLINGRATE

PCREMOTE

OUTPUTINPUT

CHB

POWER

77

III.PCSOFTWAREOPERATION

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:COM1pull­downboxintheCOMSetupwindow,alltheserialportsavailableinthePClist
automatically,thenselectthedesiredCOMportandclickOKbutton.

SelectSearch...toopensearchfunctionthatwillfindoutalltheunitsinthenet.The
multipleunitswiththesameAddress(masterID)anddifferentSubAddress(slaveID)
cannotbeidentified.YoucanidentifysuchunitsonlyfromtheSubAddress(slave
ID),pleasekeeptheSubAddress(slaveID)sothatyoucancontrolsuchunitswhen
connectingwithPC

8

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.

Theunitismute(default)ifmuteisselectedbyclickingtheMUTEcheckbox,otherwise
theunitgainremains.

online,

'

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.

9

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.

10

'

"[###]"

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.

11

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

12

2.PARAMETERADJUSTMENT

Underthemaininterface,clicktherelevantbuttontoadjustthe

Gain,PE

Q,Xover

Elay,PhaseandLimiter

,D

.

parametersof

1)Gain

ClickG

to6dB.

2)PEQ

Click"PEQ"

bandPEQcanbeset.

Frequen

Qvaluerange:0.4~128

ain

uttontosetthelevelofthe

b

buttonandthenthefrequency,gain,Qvalueandflat(on/off)of5

cyrange:19.7

Hz~20.2kHz

Left/right

Channel.Volume

Range:-60dB

13

3)Xover

ClicktheXoverbuttonandthentheparametersoffilter(slopeandfrequencyof
HPF/LPF)canbeset.The
frequency

4)Delay

ClicktheDelaybuttonandthenthedelayunitanddelaytimecanbeset.Max
delay:8ms.

5)Phase

Clickthe180checkboxto

6)Limiter

ClicktheLimiterbuttonandthenthethreshold,holdtime,attacktimeand

ofH

PF

.

Minimum

FrequencyofL

selectThereversephase:

PFisnotlowerthanThemaximum

,180.

0

releasetimecanbeadjusted.Usedforprotectingthesystem.

14

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.

GROUND

COLD(-)

Balancedcannonfemaleconnector

HOT(+)

PCOUTPUT

15

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

☆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

☆

RackSize:3U,Power(RMS):

×Ω×Ω×Ω

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

×Ω×Ω
×Ω×Ω
×Ω×Ω

×Ω×ΩΩ

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

-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

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

Voltagegain40dB@1kHz/8?
ProtectionDC,overload,thermaland
shortedprotection
StandardpowerAC110V± 10%50-60Hz
Dimension483?32?95mm
Grossweight

×Ω×Ω×Ω

+25° @20kHz

16