Elmuz DS428 User manual

1
IMPORTANTSAFETYINSTRUCTION
Pleaseseebelowbasicprotectionproceedingbeforeusing
1.Pleasereadallthesafetyinstructionbeforeusingtheproduct.
2.Thisproductmustbeearthed.Ifitshouldbemalfunctionorbreakdown,groundingprovidesapathofleastresistancefor
electriccurrenttoreduceriskofelectricshock.
Thisproductisequippedwithacordhavinganequipment-groundingconductorandagroundingplug.Theplugmustbe
pluggedintoanappropriateoutletthatisproperlyinstalledandearthedinaccordancewithalllocalcodesandordinance.
Improperconnectionoftheequipment-groundingconductorcanresultinariskofelectricshock.Checkwitha
qualifiedelectricianorservicemanifyouareindoubtastowhethertheproductisproperlygrounded.Donotmodifytheplug
providedwiththeproduct-ifitwillnotfittheoutlet,haveaproperoutletinstalledbyaqualifiedelectrician.
3.Toreducetheriskofinjury,closesupervisionisnecessarywhentheproductisusednearchildren.
4.Donotusethisproductnearwater-forexample,nearabathtub,washbowl,kitchensink,inwetbasementorneara
swimmingpoolorthelake.
5.Thisproductmaybecapableofproducingsoundlevelsthatcloudcausepermanenthearingloss.Donotoperateforalong
periodoftimeathighvolumeleveloratalevelthatisuncomfortable.Ifyouexperienceanyhearinglossorringingintheears,
youshouldconsultanaudiologist.
6.Thisproductshouldbelocatedsothatitslocationorpositiondoesnotinterferewithitsproperventilation.
7.Thisproductshouldbelocatedawayfromheatsourcessuchasradiators,heatregistersorotherproductsthatproduceheat.
8.Theproductshouldbeconnectedtoapowersupplyonlyofthetypedescribedontheoperationinstructionsorasmarkedon
theproduct.
9.Thisproductmaybeequippedwithapolarizedlineplug(onebladewiderthantheother).Thisisasafetyfeature.Ifyouare
unabletoinserttheplugintotheoutlet,contactanelectriciantoreplaceyourobsoleteoutlet.Donotdefeatthesafetypurpose
oftheplug.
10.Thepower-supplycordoftheproductshouldbeunpluggedfromtheoutletwhenleftunusedforalongperiodoftime.
Whenunpluggingthepower-supplycord,donotpullonthecord,butgraspitbytheplug.
11.Careshouldbetakensothatobjectdonotfallandliquidarenotspilledintotheenclosurethroughopening.
12.Theproductshouldbeservicedbyqualifiedservicepersonnelwhen:
A.Thepower-supplycordortheplughasbeendamaged;or
B.Objectshavebeenfallen,orliquidhasbeenspilledintotheproduct;or
C.Theproducthasbeenexposedtorain;or
D.Theproductdoesnotappeartooperatenormallyorexhibitsamarkedchangeinperformance;or
E.Theproducthasbeendroppedortheenclosuredamaged..
13.Donotattempttoservicetheproductbeyondthatdescribedintheuser-maintenanceinstructions.Allotherservicing
shouldbereferredtoqualifiedservicepersonnel.
DANGER-
14-WARNING Donotplaceobjectsontheproduct'spowercordorplaceitinapositionwhereanyonecouldtripover,
walkonorrollanythingoverit.Donotallowtheproducttorestonortobeinstalledoverpowercordsofanytype.Improper
installationsofthistypecreatethepossibilityoffirehazardand/orpersonalinjury.
SAVETHESEINSTRUCTIONS
CAUTION
RISKOFELECTRICSHOCK
DONOTOPEN
Thelightningflashwitharrowheadsynbolwithinanequilateral
triangleisintendedtoalerttheusertothepresenceof
uninsulateddangerousvoltagewithintheproduct'senclosure,
thatmaybeofsufficientmagnitudetoconstituteariskofelectric
shocktopersons.
Theexclamationpointwithinanequilateraltriangleisintended
toalerttheusertothepresenceofimportantoperationand
maintenace(servicing)instructionintheliterature
accompanyingtheappliance.
CAUTION:TOREDUCETHERISKOFELECTRIC
SHOCKDONOTREMOVECOVER(ORBACK)
NOUSER-SERVICEABLEPARTSINSIDE
REFERSERVICINGTOQUALIFIEDPERSONNEL

24-bitDualDSPtechnologyhighfuntionalAKMADAK5392.
4Inputs/8Outputsmulti-kindsofcrossovermodeforflexibleconfiguration.
Crossoverslopeof12dB,18dB,24dBor48dBperoctavefiltertypeButterworth,Linkwitz-Riley
orBessel
6bandsEQeveryinput,4bandsEQeveryoutput,Parametric,L-ShelfH-Shelf.
ParametricEQ:Fullbandwidth,1/64to4.0octaverange.
Everyinputdelaytimeupto682.52mseveryoutputdelaytimeupto21.31ms.
Polarityreversecontroloneachoutput.
Everyoutputchannelallhavelimiter,threshold,ratio,attacktimeandreleasetimeforflexible
configuration.
FriendlyuserinterfaceUSB.
2X20LCDbacklit.
12X7bandinputandoutputlevelmeter.
Switchpowersupply90~250V
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，
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：
FEATURES
2
A B C D 1 2 3 4 5 6 7 8
DS428
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FRONTPANEL
1.Sevenbandinputmeter.
2.Sevenbandoutputmeter
3.
5.PREV:switchsub-menu,changepasswordletterpositionandsoon.
6.NEXT:switchsub-munu,changepasswordletterpositionandsoon.
7.
10.Key:switchtheoptionandchangeparametervalue.
11.Key:switchtheoptionandchangeparametervalue
12.SAVE/ENTER:saveprogramandconfirmkey
。
，
。
2X20characterLCDtoindicateallkindsofparameter.
4.PARAMETERwithPUSH
PUSHKeytoswitchthemainmenu.
RotatePARAMETERtoadjustparametervalue,passwordcharacterandprogramnameandsoon.
RECALL:recallprogramandquitthemenu.
8.InputMUTE:theleftmeterwilllightenwheninputmute
9.OutputMUTE:theleftmeterwilllightenwhenoutputmute.
A B C D 1 2 3 4 5 6 7 8
DS428
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1 2 345 6 7
8910 1112
3

REARPANEL
CAUTIONIFORCONTINUEO
PORTECTIONAGAINSTFIRE
REPLACEONLYWITHSAME
TYPET1A,250VFUSE.
AB
INPUTS
CD34
OUTPUTS
5678 12
RS485IN RS485OUTUSB
1 2 345
1PowerJack
2USBinterfacePCcontrolinterface
3RS485interface
4EightchannelXLRoutputterminal
5FourchannelXLRinputterminal
，
4

INPUTGAIN
Gainrangeis-40dB~12dBstepis0.1dB
UsePARAMETERorkeytochangeparametervalue.
WhenusePARAMETERtochangeparametervalue,stepis0.1dB.
whenuseorkeytochangeparametervalue,stepis5.0dB
OnthefrontpanelthereisinputMUTEkeytomutequickly.
PressNEXTkeytoenterinputdelaysub-menu.
PressPREVkeytoentercopyinputdatasub-menu.
PressPARAMETERkeytoswitchchannel.
INPUTDELAY
Everyinputdelaytimeupto682.52msstepis21us.
Delayusethreeunitsofms,m,fttoshow.
UsePARAMETERorkeytochangeparametervalue.
WhenusePARAMETERtochangeparametervalue,stepis21us.
whenuseorkeytochangeparametervalue,stepis5.20ms.
PressNEXTkeytoenterinputEQsub-menu.
PressPREVkeytoenterinputgainsub-menu.
PressPARAMETERkeytoswitchchannel.
INPUTEQ
EachinputchannelhassixselectableEQfilters.
ItmaysetEQswitchofeachinputchannel.
EQtypehasPEQ,LS1(Low-Shelf6dB),LS2(Low-Shelf12dB),
HS1(High-Shelf6dB),HS2(High-Shelf12dB).
EQgainrangeis-30dB~15dBstepis0.1dB.
PEQfrequencyrangeis19.7Hz~20kHzLow-Shelffrequencyrange
is19.7Hz~2kHzHigh-Shelffrequencyrangeis3886Hz~21.9kHz.
PEQbandwidthrangeis0.016Oct~4.000Oct
UsePARAMETERtoadjustcurrentoptionparameter.
PressNEXTkeytoentercopyinputdatasub-menu.
PressPREVkeytoenterinputdelaysub-menu.
Pressorkeytoswitchon-offtypefiltergainfrequency
andbandwidthoption.Arrowkeyindicatecurrentoption
PressPARAMETERkeytoswitchchannel.
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、、、、
IN:ADELAY145.87ms
50.24m164.83ft
IN:AEQONF:1-PEQ
0.0dB1000Hz1.00
→
IN:A
Gain=0.0dB
1.Inputchannelparametersetting
OPERATION
5

Op1Gain0.0dB
Phase:[+]Source:A
OUTPUTGAIN
Outputgainrangeis-40dB~12dB,stepis0.1dB.
Use+,-toindicatePhase.
InputSourcemaysetforA,B,C,D,A+B,C+D,ALL,OFF.
FrontpanelhasoutputMUTEtomuterapidly.
PressNEXTkeytoenteroutputdelaysub-menu.
PressPREVkeytoentercopyoutputdatasub-menu.
Pressandkeytoswitchgain,phaseandinputsourceand
soonoption.Arrowkeyindicatorcurrentoption.
PressPARAMETERkeytoswitchchannel.
OUTPUTDELAY
Everyoutputchanneldelayupto21.31ms,stepis21us.
Delayusethreeunitsofms,m,fttoshow.
UsePARAMETER,andkeytochangedelayvalue.
WhenusePARAMETERtoadjustdelayvalue,stepis21us.
Whenuseandkeytoadjustdelayvalue,stepis5.20ms.
PressNEXTkeytoenteroutputEQsub-menu.
PressPREVkeytoenteroutputgainsub-menu.
PressPARAMETERkeytoswitchchannel.
OUTPUTEQ
EachoutputchannelhasfourselectableEQfilters.
ItmaysetEQswitchofeachoutputchannel.
EQtypehasPEQ,LS1(Low-Shelf6dB),LS2(Low-Shelf12dB),
HS1(High-Shelf6dB)andHS2(High-Shelf12dB).
EQgainrangeis-30dB~15dB,stepis0.1dB.
PEQfrequencyrangeis19.7Hz~20kHzLow-Shelffrequency
rangeis19.7Hz~2kHzHigh-Shelffrequencyis3886Hz~21.9kHz.
PEQbandwidthrangeis0.016Oct~4.000Oct
，
，
。
Op1DELAY16.10ms
5.54m18.19ft
Op1EQONF:1-PEQ
0.0dB1000Hz1.00
→
2.Outputchannelparametersetting
OPERATION
CopyInputA
toInput:B
COPYINPUTDATA
RotatePARAMETERtochangetargetinputchannelnumber.
Press<NEXT>toenterintotheinputgainsub-menu.
Press<PREV>toenterintothe-inputEQsub-menu.
PressthePARAMETERtoswitchthechannel.
6

OUTPUTHIGH-PASSFILTER
Filterfrequencyrangeis19.7Hz~21.9kHz.
Filtertypehas12dBButterworth,12dBBessel,12dB
Linkwitz,18dBButterworth,18dBBessel,24dBButter-
worth,24dBBessel,24dBLinkwitz,48dBButterworth,
48dBBessel,48dBLinkwitz.
UsePARAMETERtoadjustcurrentoptionparametervalue.
PressNEXTkeytoenteroutputlowpasssub-menu.
PressPREVkeytoenteroutputEQsub-menu.
Pressandkeytoswitchfrequencyandslopeandsoonoption.
Arrowindicatecurrentoption.
PressPARAMETERkeytoswitchchannel.
OUTPUTLOWPASSFILTER
Filterfrequencyrangeis19.7Hz~21.9kHz,OFF.
Filtertypeis12dBButterworth,12dBBessel,12dB
Linkwitz,18dBButterworth,18dBBessel,24dBButter-
worth,24dBBessel,24dBLinkwitz,48dBButterworth,
48dBBessel,48dBLinkwitz.
UsePARAMETERtoadjustcurrentoptionparametervalue.
PressNEXTkeytoenteroutputlimitersub-menu.
PressPREVkeytoenteroutputhighpasssub-menu.
Pressandkeytoswitchfrequencyandslopeandsoonoption.
Arrowindicatecurrentoption.
PressPARAMETERkeytoswitchchannel.
OUTPUTLIMITER
Limiterthresholdvaluerangeis-20dBu~20dBustepis1dBu.
Limiterradioparameterhas1.2:1,1.5:1,2:1,3:1,4:1,6:1,10:1,
20:1,Infinite.
Limiterattacktimeparameterhas0.5ms/dB,1ms/dB,2ms/dB,
5ms/dB,10ms/dB,20ms/dB,50ms/dB.
Limiterreleasetimeparameterhas10ms/dB,20ms/dB,50ms/dB,
100ms/dB,200ms/dB,500ms/dB,1sec/dB.
UsePARAMETERtoadjustcurrentoptionparametervalue.
PressNEXTkeytoentercopyoutputdatasub-menu.
，
Op1LowPassFilter
16k0Hz24dBLinkwiz
→
Op1LIMITER0dBu
InfA.5msR100ms
→
OPERATION
Op1HighPassFilter
19.7Hz24dBLinkwiz→
PressNEXTkeytoenteroutputhigh-passsub-menu.
PressPREVkeytoenteroutputdelaysub-menu.
Pressandkeytoswitchgain,phaseandinputsourceandsoon
option.Arrowindicatecurrentoption.
PressPARAMETERkeytoswitchchannel.
7

4.1Loadpresetmode
Tenpresetcrossovermode,inputsourceofpresetmodeand
crossoversettingrefertoappendixpresetmodeinputsource
andcrossoverparametersheet.
Program
LoadPreset
4.Programmanagement
Programmanagementincludesbelowsub-menu:
LoadPresetmodeLoadaprogramStoreaprogram
LOADPRESET
1:4X2-WAYCrossover
LOADINGPRESET
1:4X2-WAYCrossover
PressSAVE/ENTERkeytooperateloadpreset
UsePARAMETERtochangepresetserialnumber,pressSAVE/ENTERkeyto
loadpresetprogram.
OPERATION
PROGRAM
Loadpreset PROGRAM Loadaprogram PROGRAM Storeaprogram
PressNEXT
PressNEXT
PressPREV
PressPREV
PressSAVE/ENTER PressRECALL
MAINMENU:...*..
RECEIVEDUMP
PressNEXT
PressPREV
PressNEXT
MAINMENU:*.....
PROGRAM PressNEXT
MAINMENU:.*....
SECURITY MAINMENU:..*...
DUMPPROGRAM
PressPREV PressPREV
3.Mainmenuswitchoperation
8
PressPREVkeytoenteroutputlowpasssub-menu.
Pressandkeytoswitchlimiterthreshold,limiterratio,
attacktimeandreleasetimeandsoonoption.
Arrowindicatecurrentoption.
PressPARAMETERkeytoswitchchannel.
CopyOutput1
toOutput:2
COPYOUTPUTDATA
RotatePARAMETERtochangetargetoutputchannelnumber.
Press<NEXT>toenterintotheoutputgainsub-menu.
Press<PREV>toenterintotheoutputEQsub-menu.
PressthePARAMETERtoswitchthechannel.

Program
Storeaprogram
STOREPROGRAM:1
4*2WAYCROSSOVER
STORINGPROGRAM
4*2WAYCROSSOVER
4.3Storingprogram
Itmaystoreallparametersofinputgain,inputdelay,inputEQ,outputgain,outputdelay,
outputEQ,outputlimitandoutputphaseintotheprogram,convenientfortheunittodebug.
Themaximumcharactersofprogramnameis20.
Itcanstore30programsatmost.
PressSAVE/ENTERkeytoenterthissub-menuofstoreaprogram.
Whenthecolonflash,rotatePARAMETERtochooseprogram
namepressPREVandNEXTkeytochangethepositionof
characters,rotatePARAMETERtochoosetheletter.
，
PressSAVE/ENTERkeytooperatestoringprogram.
OPERATION
Program
Loadaprogram
LOADPROGRAM:1
4X2-WAYCrossover
4.2LoadingProgram
PressSAVE/ENTERkeytoentertheoperationofloadaprogram
RotatePARAMETERtochangeprogramname,pressSAVE/ENTERkeytoloadprogram
LOADINGPROGRAM
4X2-WAYCrossover
9

5.1Addingthelock
Fourlocktypes:
1:ModifyTheparameterscanbeviewedbutnot
change.Muteisactive.
2:Modify&ViewTheparameterscannotbeviewedor
changed.Muteisactive.
3:Modify&MuteTheparameterscanbeviewed.Changes
andMuteareinactive.
4:EverythingEverythingislocked.
UsePARAMETERtochooselocktypes.
PressSAVE/ENTERbuttontoaccessthepassword
setpage.
Passwordfourcharacters.Charactersflashpoint
totheposition.Use[PREV]and[NEXT]buttontochange
thecharacterpositionandusePARAMETERtochange
theletter.PressSAVE/ENTERbuttontofinishtheoperation
oflock,showasLOCKINGSYSTEM. “”
LockType
1:Modify
MAINMENU:.*....
SECURITY
MAINMENU:.*....
SECURITY
SetPassword
[_]
LOCKINGSYSTEM
EnterPassword
[_]
5.2Unlocking
ToenterSecuritymenuafteraddingthelock.Itwillindicatetoenterpassword.
PASSWORDERROR,indicatingerrorpassword.
Passwordfourcharacters.Charactersflashpointtotheposition.Use[PREV]and[NEXT]buttonto
changethecharacterpositionandusePARAMETERtochangetheletter.PressSAVE/ENTERbuttonto
finishtheoperationofenteringpassword.Ifthepasswordiscorrect,itshowasUNLOCKINGSYSTEM.
Ifthepasswordiswrong,itshowsas
“”
“”
UNLOCKINGSYSTEM PASSWORDERROR
PressSAVE/ENTERkeyto
entersecuritysub-menu.
PressSAVE/ENTERto
entersecuritysub-menu.
Charactersflashpointtothepositon,PressPREVandNEXTkeytochangethe
positonofcharacters,usePARAMETERtochoosetheletter,PressSAVE/ENTER
tofinishtheoperationofenteringpassword.
UsePARAMETERtoset
typetype,pressSAVE/ENTER
keytoset.
UsePARAMETERtochange
character,pressPREVorNEXT
keytochangeletterposition,press
SAVE/ENTERkeytosetpassword.
Passwordcorrect Passworderror
OPERATION
5.SecurityMenu
10

OPERATION
6.Programcopy
Copyprogrambetweenallunits.Masterunitsenddump,slaveunitsreceivedumpsentbymaster
one.Beforemasterunitsenddump,youmustconnectRS485OUTinterfaceofmasterunitandRS485
INinterfacethroughnetworkwire.Atthesametimetosetthestateofreceivingdumpforslaveunits.
Masterunitwillreturntomainmenuautomaticallyaftersendingalldumpprograms.Slaveunitswill
returntomainmenuautomaticallyafterreceivingalldumpprograms.
Areyousure?
YES
Dumpingallprogram
Current1......OK
......
IN:AGain=0.0dB
MAINMENU:..*...
DUMPPROGRAM
MasterUnit:pressSAVE/ENTER
keytoenterthestateofsending
dump.
RotatePARAMETERtosetwhether
areyousuretosend.IftosetYES,
pressSAVE/ENTERkeytosenddump.
Masterunitdumpallprogramandshow
programnumberandsendingprocess.
Ifsuccessful,show.Iffault,
showERR. “”OK “”
Masterunitreturn
tomainmenu
automatically
afterthefinishing
ofsendingdump.
Masterunitsendingdumpprocess
11
Slaveunitwaittoreceivedumpfrom
masterunit,pressRECALLtoexit
thestateofreceivingdump.
Slaveunitreceivedumpfrommasterunit
andshoprogrammemberandreceiving
process.Ifsuccessful,showOK,iffault,
showERR.PressRECALLkeytoexitthe
stateofreceivingdump.
“”
“”
Slaveunit:pressSAVE/ENTER
toenterthestateofreceiving
dump.
Receivingdump
Program
Receivingdump
Program1OK
MAINMENU:...*..
RECEIVEDUMP
......
IN:AGain=0.0dB
Slaveunitreceivingdumpprocess
Slaveunitreturnto
mainmenu
automatically
afterthefinishing
ofreceivingdump.

APPENDIX:Presetmodeinputsourceandcrossoverparametersheet
PresetnameOutputInputsourceHigh-passfrequencyLow-passfrequency
1:4x2-WAYCrossoverOUT1A19.7Hz1000Hz
OUT2A1000HzOFF
OUT3B19.7Hz1000Hz
OUT4B1000HzOFF
OUT5C19.7Hz1000Hz
OUT6C1000HzOFF
OUT7D19.7Hz1000Hz
OUT8D1000HzOFF
2:2x3-WAY+2AuxOUT1A19.7Hz121.4Hz
OUT2A121.4Hz2000Hz
OUT3A2000HzOFF
OUT4B19.7Hz121.4Hz
OUT5B121.4Hz2000Hz
OUT6B2000HzOFF
OUT7COFFOFF
OUT8DOFFOFF
3:2x3-WAY+monoSubOUT1A35.1Hz153Hz
OUT2A153Hz2000Hz
OUT3A2000HzOFF
OUT4B35.1Hz153Hz
OUT5B153Hz2000Hz
OUT6B2000HzOFF
OUT7A+BOFF81.1Hz
OUT8A+BOFF81.1Hz
4:2x4-WAYX-overOUT1AOFF81.1Hz
OUT2A81.1Hz408.5Hz
OUT3A408.5Hz2000Hz
OUT4A2000HzOFF
OUT5BOFF81.1Hz
OUT6B81.1Hz408.5Hz
OUT7B408.5Hz2000Hz
OUT8B2000HzOFF
5:1x5-WAY+3AuxOUT1AOFF40.5Hz
OUT2A40.5Hz153Hz
OUT3A153Hz1000Hz
OUT4A1000Hz3084Hz
OUT5A3084HzOFF
OUT6BOFFOFF
OUT7COFFOFF
OUT8DOFFOFF
6:MonoDistriOUT1ALLOFFOFF
OUT2ALLOFFOFF
OUT3ALLOFFOFF
OUT4ALLOFFOFF
OUT5ALLOFFOFF
OUT6ALLOFFOFF
OUT7ALLOFFOFF
OUT8ALLOFFOFF
7:Ste.DistriOUT1A+BOFFOFF
OUT2C+DOFFOFF
OUT3A+BOFFOFF
OUT4C+DOFFOFF
OUT5A+BOFFOFF
OUT6C+DOFFOFF
OUT7A+BOFFOFF
OUT8C+DOFFOFF
OPERATION
12

PresetnameOutputInputsourceHigh-passfrequencyLow-passfrequency
8:LCR+monoSubOUT1A99.2HzOFF
OUT2B99.2HzOFF
OUT3C99.2HzOFF
OUT4D99.2HzOFF
OUT5ALLOFF99.2Hz
OUT6ALLOFF99.2Hz
OUT7ALLOFF99.2Hz
OUT8ALLOFF99.2Hz
9:4x4ProcessorOUT1AOFFOFF
OUT2BOFFOFF
OUT3COFFOFF
OUT4DOFFOFF
OUT5OFFOFFOFF
OUT6OFFOFFOFF
OUT7OFFOFFOFF
OUT8OFFOFFOFF
10:MutedallOUT1OFFOFFOFF
OUT2OFFOFFOFF
OUT3OFFOFFOFF
OUT4OFFOFFOFF
OUT5OFFOFFOFF
OUT6OFFOFFOFF
OUT7OFFOFFOFF
OUT8OFFOFFOFF
OPERATION
13

Inputimpedance8K
Maxiuminputelectricallevel4Vrms
InputCMRR55dB
InputXLRDY-08
Samplingrate48KHz
Outputimpedance150
Maxiumoutputelectricallevel2Vrms
OutputXLRDY-09
Inputgain-40.0dB~12.0dB,step:0.1dB
Outputgain-40.0dB~12.0dB,step:0.1dB
Inputdelay682.52ms,step:21us
Outputdelay21.31msstep:21us
EQnumber6EQeveryinputchannel,4EQeveryoutputchannel
EQtypeParametric,L-Shelf6dB,L-Shelf12dB,
H-Shelf6dB,H-Shelf12dB
EQgain-30dB~15dB,step:0.1dB
EQfrequency19.7Hz~21.9kHz
PEQbandwidth0.016~4.000Oct
Crossoverfilter
Frequency19.7Hz~21.9kHz,OFF
Slope12,18,24,48dB
TypeButterworth,Bessel,Linkwitz
Limiter
Limiterthrehold-20dBu~20dBu,step:1dBu
Limiterradio1.2/1,1.5/1,2/1,3/1,4/1,6/1,10/1,20/1,Infinite
Attacktime0.5,1,2,5,10,20,50ms/dB
Releasetime10,20,50,100,200,500ms/dB,1sec/dB
Performance
Frequencyresponse0~20KHz(0.1dB)
Dynamicrange102dB
Separatedegree100dB
THD0.003%(1KHz,1Vrms)
Dimension
Weight3.6KG
PowerAC90V~250V,50~60Hz
Fuss1A,AC250V
Watt30W
。
，
Ω
Ω
±
SPECIFICATION
14