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mi niDSP Ltd, Hong Kong 

www.minidsp.com

 / Features and speci fi cations subject to change wi thout pri or noti ce

 

 

PWR-ICE125 

PWR-ICE250 

DSP-

CONTROLLED PLATE AMPLIFIER

 

User Manual 

 

 

 

 

Содержание PWR-ICE125

Страница 1: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without priornotice 1 PWR ICE125 PWR ICE250 DSP CONTROLLED PLATE AMPLIFIER User Manual...

Страница 2: ...notice 2 Revisionhistory Revision Description Date V1 0 Initial revision 28 06 2013 V1 1 Updated typo on wiring 24 07 2013 V2 0 MergedPWR ICE125 andPWR ICE250 completelyrevised 31 August2016 V2 1 Adde...

Страница 3: ...y 15 3 1 High voltage WARNING 15 3 2 Main panel 16 3 3 AC Power 17 3 4 Analog audio input 18 3 4 1 Input sensitivity jumpers 18 3 5 Digital audio input and link passthrough AES EBU 19 3 6 Ethernet 20...

Страница 4: ...5 3 FIR filtering and design FIR plugin only 39 5 3 1 FIR filtering overview 40 5 3 2 FIR filter design software 40 5 3 3 Filter file format 41 5 3 4 Loadingfilter coefficients 41 5 4 Custom biquad pr...

Страница 5: ...rocessorrecommended 512 megabytes MB of RAMor higher Keyboardandmouse or compatible pointingdevice Microsoft Windows Vista SP1 XPproSP2 Win7 Win8 1 Win10 Microsoft NETframeworkv3 5 or later Adobe AIRe...

Страница 6: ...enabling audiothroughany connectedoutputdevice oramplification Doingsowill helpensure thatthe software is correctlyconfigured Finally note thatthe PWR ICEamplifierisaveryflexible device and many of th...

Страница 7: ...and duringthe usage of the amplifierpleaseensure thatall recommendations especiallythe safety recommendationsasdetailedinthe usermanual are adheredto The AmplifierUnitisdesignedforthe amplificationof...

Страница 8: ...lyinE1 E2 E3 or E4 environmentsaccordingtoEN55103 2 Electromagneticcompatibility Productfamilystandardforaudio videoandaudio visual andentertainmentlightingcontrol apparatusfor professionaluse Part 2...

Страница 9: ...entsuddenhighlevelsof noise which may cause hearingor speakerdamage Output connectors WARNING Outputconnectormarkedwiththe lightningflashesindicatehighvoltagesthatare potentiallylifethreatening Wiring...

Страница 10: ...tionforanyin speakerDSP power application Optional backboxes canbe purchasedto convertthe plate amplifiersintostandaloneamplifiers PWR ICE125 Thisversionof the PWR ICEamplifierusesthe ICEpower 125ASX2...

Страница 11: ...ngthatthe DSP will perform Itprovidesafriendlyuserinterface anddownloadsinstructions overthe network intothe amplifiers thattell themhow toprocessthe audiosignal 1 2 CHOOSING A PLUGIN There are twoplu...

Страница 12: ...lectthe PluginGroup PWR ICE125 250 at the linkbelow https www minidsp com support redeem coupon The User Downloadslinkisvisible fromthe dropdownmenuatthe top rightof the website page Navigate tothe PW...

Страница 13: ...later Latestversionof Adobe Air MicrosoftVisual C 2010 RedistributablePackage for x86 32 bitoperatingsystem orx64 64 bitoperating system 2 1 2 Plugin installation Note if youare upgradingfrom version...

Страница 14: ...enWith itemand thenclickon Installer default 3 The followingwindow will appear Clickon Open 2 2 2 Plugin installation a Navigate tothe Mac sub folderof the unzippedutilityprogramdownload b The install...

Страница 15: ...reason you shouldneveroperate the plate amplifierandtouch the rear ofthe unit ALWAYSDISCONNECT THE AC POWER FROM THE UNITBEFORE DOING ANYMODIFICATIONTO YOUR PLATE AMPLIFIER Refertothe diagrambelowsho...

Страница 16: ...dsp com Features and specifications subject to change without priornotice 16 3 2 MAIN PANEL Connectionsare made onthe mainpanel withthe exceptionof the speakeroutputs The PWR ICE125is shown here the P...

Страница 17: ...rusingthe supplied IECpowercord Before connecting ensure thatthe voltage selectorisset to the correct value foryour country 115 or 230 V The PWR ICE amplifiermustbe configuredforthe correctAC voltage...

Страница 18: ...le if connectinga subwooferaswell asa speakertoa preamplifieroutput use aY splitteradapterorcable Checkthe specificationsforyourpreamplifiertoensure thatthe minimumspecified loadimpedance islessthan10...

Страница 19: ...such as those available fromcompaniessuch asNeutrik Canare andSwitchcraft Whenthe amplifierisindigital inputmode anda digital inputsignal isconnected the inputsignalisbuffered and presentedonthe Digit...

Страница 20: ...lustrated twoPWR ICEamplifiersare connectedviaanEthernetcable tothe Ethernetrouter while the computeris connectedtothe LAN overWi Fi The networkmustbe capable of DHCPso that the PWR ICE amplifierswill...

Страница 21: ...aker drivers The plugin mustbe configuredin 2 chmode see page 28 andthe wiringconnectedto the two driverswithchannel andpolarityasshown onthe leftof the diagrambelow BTL mode In BTL bridge tiedload mo...

Страница 22: ...erinterface withthe keyareashighlighted Main menu Usedfor operationslike savingandloadingconfigurations restoringthe amplifiertodefault settings andfirmware upgrades Configselect Selectsone of fourcon...

Страница 23: ...tion toensure thatthe amplifiercontainsapropersetof defaultsettings Onsubsequentconnections if thisdialogappears youwill usuallyselectUse onBoardConfigor Synchronize Config See Workingwithconfiguratio...

Страница 24: ...ngadifferentplugin Forexample youpreviously synchronizedwiththe 96kpluginbutare now runningthe FIRplugin onyour computer The pluginshave hada major upgrade that requiresanincompatible configurationfor...

Страница 25: ...To rename an amplifier youmustfirstbe connectedtoit Thenclickon itsname inthe connectioninformation area delete the currentname andtype a new name Thenclick the returnkey The followingdialogwill appe...

Страница 26: ...tions 4 5 MASTER VOLUME AND MUTE The Master Mute buttonenablesanddisablesbothoutputchannels The Master Volume selection buttons control the wayinwhichmastervolume control isdone Disable Master volume...

Страница 27: ...the top of the maincontrol window Channel 1 L The leftinputsignal onlyisprocessed Channel 2 R The right inputsignal onlyisprocessed MixedL R The leftand rightinputsignalsare summedtogetherforprocessi...

Страница 28: ...oth channels InStereoinputmode eachamplifierchannel receivesits respective inputchannel BTL The two amplifierchannelsare configuredintoBTL bridge tiedload mode Inthismode the amplifierchannelsare driv...

Страница 29: ...byone amplifier channel withthe signal takenfrom the sumof the leftandright inputchannels Stereo 2 ch In thisconfiguration the PWR ICEamplifieractsas a DSP controlledstereo amplifier One use iswhen th...

Страница 30: ...0 2 Gain adjustment and level monitoring The gain of the inputchannel can be adjustedbymovingthe Gainadjustmentslider orby usingthe keyboard Up and Downarrows afterplacingthe focusonthe slider see Key...

Страница 31: ...toring The gain of each outputchannel can be adjustedbymovingthe Gainadjustmentslider orbyusingthe keyboard Up andDown arrows afterplacingthe focuson the slider see KeyboardShortcuts The maximum gains...

Страница 32: ...nverted Insubwooferapplications thiscanbe helpfulto improve integrationwiththe mainspeakers 4 11 6 Time delay A delayof upto 10 ms 96k plugin or21 875 ms FIR plugin canbe appliedto eachoutputchannel T...

Страница 33: ...sinthe pluginuserinterface are downloaded immediatelytothe PWR ICEamplifier The effectof these changeswill thusbe audible asthe changesare made Whenthe plugingoesintoonline mode itcheckstosee whetheri...

Страница 34: ...sonline butdoesnotswitch configurations 4 12 3 Saving and loading configurations Configurationscanbe savedtoand loadedfromfiles Eachconfigurationisstoredinaseparate file Itisstrongly recommendedthatea...

Страница 35: ...shouldbe selectedandchecked initializedpriortoconnecting loudspeakersto the PWR ICEamplifier 4 13 KEYBOARD SHORTCUTS The PWR ICE amplifieruserinterface supports the use of the keyboardformanyoperation...

Страница 36: ...peakingboostorcut filter highshelf filter orlow shelf filter The top sectionof the control panel showsthe overall responsecurve of all six PEQfilters Hoveringthe mouse overthe curve bringsupan overla...

Страница 37: ...B_EQfilterreducesthe numberof available filtersinthatblockbyone Frequency For the PEAKfiltertype thisisthe centerfrequencyof the peakordip For the HIGH_SHELF and LOW_SHELF filtertypes thisisthe freque...

Страница 38: ...hannel 2 whichisa high passfilter alsoat2000 Hz but witha differentslope Each filtercan be setto one of a range of filtertypesandslopes The filtertype determinesthe shape of the filteraroundthe crosso...

Страница 39: ...6 dB downat the cutoff frequency Bessel Available in12dB octave only aBessel filtergivesamore gradual roll off throughthe crossoverregion Bypass Clickingonthe Bypass buttondisablesthathighpassor low p...

Страница 40: ...y calculatedfromearlieroutputvaluesaswell as frominputvalues AnFIRfilterisspecifiedbyalarge array of numbers whereasanIIRfilterrequiresonlyafairlysmall of valuestobe specified These numbersare convent...

Страница 41: ...efficientsloaded b Confirmthatthe response curve isas youexpect c PressSendto DSP This will write the coefficientsintothe DSP smemory d To clear the filtercoefficients click UnloadFIRand then Sendto D...

Страница 42: ...be describedeitherwithan equationorwitha signal flowdiagram asshownhere A single biquadlike this canperformagreat manyfunctions includingall of the functionsof asingle parametric EQ filter one 6 or 12...

Страница 43: ...ed mode all eightbiquads needtobe specified After pastinginthe biquadcoefficients clickonthe Processbuttonforthemto take effect 5 4 3 Biquad calculation spreadsheet The community developedbiquad calcu...

Страница 44: ...eredtospeakersand thusreduce the risk of damage fromoverdriving Thisscreenshotshowsanexample Compressorsetting Note thatthe compressoralgorithmisbypassedbydefault so clickonthe Bypass buttonto see the...

Страница 45: ...output SE 2 ch mode RL 4 1 120 W channel 230V 50Hz AC 105 W channel 115V 50Hz AC Power output BTL mode RL 4 2 450 W 230V 50Hz AC 370 W 115V 50Hz AC Dimensions H x W x D 153 x 216 x 77 mm 6 1 3 PWR ICE...

Страница 46: ...P Ltd Hong Kong www minidsp com Features and specifications subject to change without priornotice 46 6 2 MOUNTING DIMENSIONS 6 2 1 PWR ICE125 Figure 1 PWR ICE125 plate dimensions and mounting hole loc...

Страница 47: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without priornotice 47 Figure 2 PWR ICE125 recommended cutout dimensions red outline...

Страница 48: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without priornotice 48 6 2 2 PWR ICE250 Figure 3 PWR ICE250 plate dimensions and mounting hole locations...

Страница 49: ...miniDSP Ltd Hong Kong www minidsp com Features and specifications subject to change without priornotice 49 Figure 4 PWR ICE250 recommended cutout dimensions red outline...

Страница 50: ...akerenclosure isthereforenot recommended Instead asub enclosure shouldbe used 3 Adequate space andairflow mustbe allowedaroundthe amplifiertoaidcooling If a separate sub enclosure isused ensure thatai...

Страница 51: ...he IPaddressof the amplifier 4 On the panel of the amp the source selectionLEDwill extinguish toindicate thatthe amplifierisinboot loadermode The orange LED on the Ethernetjack will flashintermittentl...

Страница 52: ...printedbyTerminal blue textistexttypedinby you and redtextisthe program output It isimportantthat youtype exactlyasshownincludingcharacters like and where noted Press the Tab keyafter typingthe firstt...

Страница 53: ...sure your computerisnotset to use a static address c On WinXP confirmthatyouhave installed the net environment d Confirmthatyou donot have a firewall blockingthe communication 4 Plugindoesnotdetect am...

Страница 54: ...ee if this issue hasalreadybeenraisedandasolutionorsolutions provided 2 Contact miniDSPviathe supportportal at minidsp desk com with a The specificproductyouare havinganissue with inthiscase PWR ICEam...

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