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1. oe DSP plate amplitier TT miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice ANNANN DSP Features PWR ICE250 Manual 2 4 System diagram AES EBU AC Supply t p BRU 2x250W 40 SE aUa p Pwr Icee iia i lt __ RJ45 Source Fault monitorin over Ethernet T e g Unbalanced Analog IN RCA Volume Master Volume control Unbalanced Analog IN RCA Header Expansion header XLR lt gt I2S I O for add on card Balanced Analog IN iii ite IN XLR Digital IN AES EBU Za py 250ASX2 Module Digital Link Out XLR 1x630W 40 BTL 2 5 Typical setup The following diagram is a typical system amp connectivity diagram in a stereo 2way Active setup To prevent any damage make sure the board is turned OFF before doing any connection modifications PWR ICE Template Connectivity Diagram e A 2 DSP plate amplifier 100Base T switch ye Windows PC CAT5 6 cable cece Laptop PWR ICE 250 2 6 Network configuration The PWR ICE requires a network connection for initial configuration via the plug in software The module is using ZeroCONF technology and doesn t require any IP Router configuration There are 2 possible use DHCP networks In networks where a DHCP server is present e g router2. Infinity delay in ms 0 10ms 0 Dist cmi 0 PWR ICE250 Manual The custom label feature allows you to input a user defined label for each output channels A handy feature to remember the output configuration of your system 2 9 7 A fader control from 12 to 70dB digital gain control Output volume 2 9 8 Crossover Controls for the Low amp High pass filters are available when clicking on the Xover crossover button The log scale graph gives you the equivalent response of the applied filter By pointing the mouse anywhere on the plotted curve the dB attenuation and respective frequency are displayed Bandpass OUTPUT CHANNEL 1 10 50 Basic Advanced HIGH PASS FILTER SETTINGS High Pass Filter x Cut off frequen 10 settings eins Filter Type Bypass filter BYPASS 500 1000 2000 5000 10000 LOW PASS FILTER SETTINGS Cut off frequency 1000 Filter Type Bypass filter BYPASS 20000 Low Pass Filter settings miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 19 nin PWR ICE250 Manual e Cut off frequency Select the 3dB frequency by either entering the value or using the up amp down arrows of the numeric box o Filter types o Linkwitz Riley LR Available in 12 24 48dB oct o Butterworth BW Available in 6 12 18 24 30 36 42 48dB oct o Bessel Available in 12dB oct Each filter has different phase
3. 60cm miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P3 nin DISCLAIMER WARNING PWR ICE250 Manual An incorrect miniDSP configuration could easily damage your audio system MiniDSP can not be responsible for any damage that may result from the improper use of this product As with any other product we do recommend that you carefully read the manual and other technical notes to insure you fully understand how to operate the board As a general guideline you should first configure your miniDSP board before connecting anything to the outputs of the MiniDSP loudspeakers other output sources Doing so will insure that you have the software correctly configured and won t cause any damage to your system Once again miniDSP can not be responsible of any damages the board make cause to your system Finally MiniDSP is a very flexible board and 99 of typical questions we receive at the tech support department are already answered in this user manual So please take the time to carefully read this user manual Thanks for your understanding WARRANTY TERMS miniDSP Ltd warrants all our products to be free of from defects in materials and workmanship for a period of one year from the invoice date Our warranty terms do not cover failure of the product due to an external trigger misuse servicing or usage outside of the recommended use With this said make sure to caref
4. SM MM aE EE A AEA A A AE AEE AE E A wensee tenes 19 3 1 8 GS A acerca E E E E E EEE E E E EE E E E 19 3 1 9 FC CUS WS 1 NU sessen nE tea a ia eens iui E a EEN E E OE beuetian costiosl a i 20 3 1 10 comae OET E EA 21 3 2 LOAC SAVES RESTOFE CL CONFIQUIATION 00cccceesessscnscsnsssssssssssssesesssssssssssssesessesssseeseeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeeeeeseeeseeeseesesseeseeeseeseseeeeseessesseseeees 2 32l E O O a AE E E E E E E E 21 3 2 2 SWE OI COM asa E E A AEE AEE E EAE 21 3 2 3 AE a e ED E E E E A EAA E A EE E A canssvaceeeiasstensensccatacn 21 3 2 4 MP miN oE sesa bate ee nc st secs E N NEN EENEN E E E A teeter onty oeieaciw econ ocieDcael 21 4 ire ta Fes pe Ene E EIN E ETT A E E EE E E E E E E E E E E EE EE 24 5 KE E A E a E E O A O A eee eee eens 25 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P2 nin PWR ICE250 Manual 1 Product Introduction PWR ICE 250 is a Digital Audio Signal Processor DSP capable of performing a wide range of applications from filtering equalization to time alignment Using a computer and an ETHERNET connection you will be able to control your platform from the plug in an intuitive software application allowing real time modification to your configuration Besides its audio specs a great part of our product concept lies in its simplicity of use The sequence of steps required to control a miniDSP can be summariz
5. Tree in the PWR ICE2_1x2 plugin The firmware upgrade is finalized miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 23 PWR ICE250 Manual 3 Troubleshooting The following symptoms were found to be the most likely cause of issues item Symptoms Troubleshooting recommendation If not solved go to item 1 No audio on outputs Make sure that audio signal is shown on the RMS input meters Confirm the source selection is correct Analog Digital Double check that output mute buttons are not enabled Confirm that master mute is not enabled Confirm that you are synchronized and live 2 No audio on RMS input Check your connectivity 10 meters Double check the strength of your input signal Confirm that master mute is disabled 3 Audio on input RMS Make sure the matrix mixer is set to send audio to the output 10 meters but no audio on channels in a mixer plug in Outputs Check the output mute status for each channel configuration Confirm the version of the file Cannot connect to the Check your IP settings if no DHCP server is present make 10 board sure your computer is not set static address On WinXP confirm that you have installed net environment Confirm that you do not have a firewall blocking the Communication Cannot install software Confirm that you installed the required frameworks Adobe 10 Air Microsoft net SP2
6. Use onboard config Click on this button to recover the configuration that is currently loaded on the PWR ICE Unlike other USB miniDSP platforms the PWR ICE is able to restore a configuration that was stored on a unit PC configuration co PWR ICE 4 Cancel Click on this button to cancel the connection and return to the plug in Your connection will be offline miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P16 PWR ICE250 Manual Plug in Architecture 2 9 1 Main Page Master Mute Main Menu PWR ICE2 Restore Help Preset Memory selection Device Tree DSP Control Panel Eth t Device 1 Devica Tes _ ernet Device 1 Input Type Channel mode Channel 1 L Channel2 R Mixed L amp R Amplifier mode Digital Now connected to Analog Outputs 1 1 2 Inputi Outputi Output2 Powered By Main control window Infinity Mute Invert delay in ms delay in ms 0 10ms 0 10ms a 0 0 Dist cm 0 Dist cm 0 Main input page for the PWR ICE 250 plug in The main control page can be summarized in few core sections File Access to Load Save configuration Restore Access to restore the whole system or only the current selected configuration preset Help Link to the help file Main control tab Allows control of all main DSP control settings e g Filters Gain metering Device Tree section List all device discover
7. When replacement parts are required please ensure that the dealer distributor only uses replacement parts specified by the manufacturer The use of unauthorized replacement parts may result in injury and or damage through fire or electric shock or other electricity related hazards Safety Check Upon completion of any service or repairs to this product ask the dealer distriobutor to perform safety checks to determine that the amplifier is in proper operating condition miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P4 nin Read the information for use user manual When shipping the product always use the original shipping carton and packing materials For maximum protection repack the unit as it was originally packed at the factory PWR ICE250 Manual Environments Use this product only in El E2 E3 or E4 environments according to EN55103 2 Electromagnetic compatibility Product family standard for audio video and audio visual and entertainment lighting control apparatus for professional use Part 2 Immunity Ventilation and heat sink The heat sink is provided to ensure reliable operation of the Amplifier Unit and to protect it from overheating The heat sink must not be blocked or covered This product should not be installed unless proper ventilation is provided or manufacturer s instructions have been adhered to Water And Moisture Do not use
8. XP Software running in Adobe Air environment most likely requiring a version 10 background but not update Connect your PC to the Internet to automatically showing get an update Problem unsolved by Have a look at our forums to see if someone else already above suggestions had this issue Send us an email info minidsp com with a clear explanation of the symptoms and descriptions of the troubleshooting steps you already performed miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 24 PWR ICE250 Manual 4 Mechanical drawings FRONT VIEW E O LN O VANE lb o eo 2mm 10 1 267 5mm 10 5 0 D aw oo rot Ns i E 143 0mm 5 6 1o3 0mm 6 0 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 25 nnn PWR ICE250 Manual SIDE VIEW f Umm 03 07 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 26 nin REAR VIEW RECOMMENDED OPENING RED PWR ICE250 Manual 139 0mm 5 5 Fe ceed aii o Oo Oo i O ro3 omm 10 0 D na miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 27
9. an IP address will automatically get assigned to the module No configuration is required AutolP Link Local address If you do not have a network with a DHCP server you can still connect your PC directly or through a network switch to the module It will automatically get assigned an AutolP Link Local address Note If your PC is setup with a static IP you may not be able to access the module without a DHCP server Make sure to set your IP to Automatic to be able to automatically revert to Link Local WARNING On some PC firewalls can block the communication packets used for controlling the PWR ICE250 Make sure to allow the PWR ICE plug in to send packets over UDP and TCP miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P12 nin PWR ICE250 Manual 2 7 Amplifier key specifications The PWR ICE250 is fitted with an ICE power 250ASX2 module A renowned OEM amplifier module used in a lot of Hifi configuration Key specifications 630W 1 T N 20Hz 20kKHz 4Q BTL 2 x 230W 1 T N 20Hz 20kHz 4Q2 SE both channels driven 121dBA dynamic range BIL mode 112dBA dynamic range SE mode T N 0 002 1W 8Q 1kKHz SE mode T N 0 002 1W 8Q 1kHz BTL mode 86 4 total efficiency 250W 8Q CCIF Intermodulation distortion 0 0009 10W 4Q 18 5kHz 1kKHz 25V unregulated auxiliary power supply Selectable Mains 85 132VAC amp
10. gt Return cable Analog unbalanced RCA connectivity pin out Unbalanced connection 1 gt Cable Shield 2 gt Positive cable Digital Balanced Audio AES input output connectivity pin out Digital Balanced connection AES Digital unbalanced connection SPDIF 1 gt Cable Shield 1 gt Cable Shield 2 gt Positive cable 2 gt Positive cable 3 gt Return cable 3 gt Not required 20 0 Analog Audio input sensitivity jumpers The input sensitivity Maximum level before saturation of the module can easily be modified with jumpers to better fit your equipment Note that all changes must be performed with the amplifier OFF and jumpers of a channel must all be in the same state e g all 3 jumpers of channel 1 OPEN lis Ee tho Mel a 4 Pky od eran a ETI i A e te j Ap sees maf t maT ENN Ee Ea G Pers nd tome 21 ETE Hic ery pe y a IFR 9 Ze i ia r Chett rpa t pang jjo jipes 4 4 a As ay K amp S a i py TTT BR 138 Channel 1 L j ia Channel 2 R 07 2015 4 l Coe a ry Ea CT z pE Hef JL d a gT lt Telgt j I EOS ahi Fiz HRE eg few a A e sem Egea eaa ES y ea Oy a Epen Tr re tee as 7 ahd it ete m oR Unbalanced Open 2Vrms Max 8Vrms Max Closed 1Vrms Max 2Vrms Max 2 3 6 Amplifier jumper pads The PWR ICE250 features an amplifier module with symmetric output le
11. required Make sure to set the volume control to Min equivalent to muted at back of the plate amplifier OPTION B Configure the module while offline building a test configuration and loading to the module afterward a Connect to the module Looking at the Device Tree tab on the left you should see one or more devices discovered The numbers between bracket indicates the number of modules discovered Device Tree Ethernet Device 1 Click on the folder icon Ethernet Devices to list the device Device Tree Ethernet Device 1 J PWR ICE2 Step6 To connect and configure the module simply click on the module in the list to configure the module as required If using online configuration just connect and configure your module online If using offline configuration you can configure the software first and then connect to the unit The following dialog box will appear A MiniDSP kit with Serial 900999 was detected Please choose from one of the following options Here is a summary of options 1 Synchronize config Click on this button to push the current configuration on your plug in to the PWR ICE PC configuration gt PWR ICE 2 Restore config Click on this button to restore the whole DSP configuration to default Warning that you will loose all settings and un configured filters could damage your speaker We don t recommend clicking on this button unless your soeakers are not connected 3
12. this product near water for example in damp rooms or near a swimming pool Cleaning Unplug the Amplifier Unit from the wall outlet before cleaning Do not use liquid or aerosol cleaners Power cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon them or against them paying particular attention to cords and plugs and the point where they exit from the Amplifier Unit Lightning For added protection of the product during lightning storms or when it is left unattended and unused for long periods of time unplug it from the wall outlet This will prevent damage to the product due fo lightning and power line surges Disconnection from the mains power supply can only be achieved by removing the plug from the mains socket and by external disconnection of all poles from the mains Interference of external objects and or liquids with the appliance Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the amplifier Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury and serious damage to the product Any mounting of the product should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufactur
13. 170 264VAC O O O O O O 00 0 0 System diagram of 250ASX2 module Vd aux Live DC DC Rectification converter and filtering Neutral Enable Oc Thermal BTL_sync Output stage and filtering Vo channel 1 channel 1 Input ch 1 Input filter and DC blocking MECC control and HCOM modulation Input ch 2 Output stage and filtering 2 8 Amplifier absolute maximum ratings Mains Input Section 115V mains setting ACmax Maximum off line voltage an Minimum off line voltage Mains frequency range 137 a 230V mains setting PAC Maximum off line voltage v Crnin Minimum off line voltage a Mains frequency range 170Vap 264Vac 45 miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 13 nin 2 9 Amplifier output power specifications PWR ICE250 Manual Power Specifications Unless otherwise specified T 25 C f 1kHz R 80 230V mains 500W out No preheating pane output power without Thermal stab T 25 gT thermal shutdown SE 40 Both channels driven Continuous output power without Thermal stab T 25 C thermal shutdown SE 80 Both channels driven Continuous output power without Thermal stab T 25 g a thermal shutdown BTL 80 Po x 250W 4 ohm SE Po x 100W 4 ohm SE Po 1 x 100W 8 ohm BTL Po 1 x 500W 80hm BIL sower within specified ranges miniDSP Ltd Ho
14. PWR ICE250 Manual PWR ICE 250 USER MANUAL m e www minidsop com miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 1 nin PWR ICE250 Manual Contents 1 FMT Mel MVC ION sa 3 SUS A ENS WO eS APEE EE A cbnnoeal cba sda adminis Sent TERES A niet Saath pas E bb aaah E A E ch N T A A A 4 2 SSL OS CU VN e E E tenia ists E A E E A E E E A E A E E E O E 6 2 PV EO A aa A T A A A E T AE AA EI AA T TAA A eee 6 2 2 PWR ICE Rear panel avisuxecoiesexsantoscverensnavaanbasawanet anew sunbanavenedskeysambanowsuepenayaundacoseconseawannkonovenenskaniautauotaneninausaetslcaumenibsdhaannienteowtseiviaatasevenetenisanbentues 6 2 3 AG TONG MIZIN SWN T aa AAE AE AARE AAEE A 7 2 3 1 SE configuration for stereo mode 2x 250W Max 4OnMS ccccccccccccccccccccceceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 8 2 3 2 BTL configuration for bridged mode Mono mode 1 x 450W Max 4 OMS sssssssssssssesesesssresseseerereresrereeeeeseeseersseeesreereeess 9 205 ENCON Pee re te TE Cae eee 9 2 3 4 Audio COMMIS GIVING serren ieena annn Eaa EEA Ea AA A AARE ARAA A AENA EEA ONEAN A NAA AAAA OANA EENAA TAA 10 2 30 Analog Audio input sensitivity UNMDGNS 2 5 0 500sasseidsaespanasaesbetduacspandvasssasdaanspasdeisasildaasspanduaesseiduasspaadgaesyeiiedespaadsasaveeisesapasduassietdaesce 10 2 96 7g 1 Mice Lig O 2 1s E E A eRe nee 10 2 3 7 Bieni
15. R ICE250 operates at hazardous voltage For this reason you should never operate the plate amplifier and touch the rear of the unit ALWAYS DISCONNEC THE AC POWER FROM THE UNIT BEFORE DOING ANY MODIFICATION TO YOUR PLATE AMPLIFIER See below rear of the unit All red sections are Live section primary You should never operate this plate amplifier without proper installation i e mounted to your speaker Always plan for a clearance of 12mm with any elements of the rear of the module for a safe distance miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P6 PWR ICE250 Manual ia _ LIVE PRIMARY LIVE PRIMARY SECTION of the SECTION of the AmMnilifiar amplifier 7 2 3 AC power 115 230v switch The PWR ICE 250 requires to be configured for the AC voltage Make sure to correctly configure with the correct voltage of your country Our team will pre configure the module based on your choice in the shopping cart 115V setting 230V setting a SELECT CORRECT VOLTAGE SELECT CORRECT VOLTAGE 115 or 230VAC 115 or 230VAC miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P7 nin Amplifier output wiring The PWR DSP250 amplifier can operate in Single Ended SE or Bridge Tied Load BIL mode The following wiring configur
16. and amplitude characteristics We recommend you to look online for more information about the specifics of each filter Bypass button allows you to Enable Disable the filter Make sure to bypass the filter if you do not need the filter enabled 2 9 9 Parametric Equalizer e EQ band selection Select one of the 6 x Parametric Equalizers e Filter type Select between Peak Low Shelf High Shelf Bypass Disables the equalization but doesn t reset the settings A handy tool to check the influence of equalization on your system without resetting to zero Note that the bypass button is per band Bypass not overall e Linking feature Similar to the crossover dialog box you can link up two EQ settings together e Basic Advanced radio button Toggles from basic mode i e input frequency to advanced custom biquad input PARAMETRIC EQUALIZER OUTPUT CHANNEL 1 10 20 50 100 200 10000 EQ BAND SELECTION Basic Advanced Toggle from basic 9 EQ1 Freq 10 PARAMETRIC EQ BAND 1 to Advanced EQ2 Freqg 10 EQ band selection EQ3 Freq 10 Filter type Select the EQ5S Freqg 10 Frequency 10 Gain Bypass ari i Per Band bate bypass EQ Basic mode PARAMETRIC EQUALIZER OUTPUT CHANNEL 1 10 20 50 100 200 10000 EQ BAND SELECTION Basic Advanced J EQ1 Freq 10 PARAMETRIC EQ BAND 1 EQ2 Freq 10 biauadi EQ3 Freg 10 b0 1 Per Band b1 0 bypass EQ EQ4 Freq 10 b2 0 1 0 EQS Freq 10 E EQ6 Freq 10 Advanced mode for custom biquad programming The Advanced mode can be u
17. ation shows the typical wiring Note that amplifier output wiring is already labeled at the factory with the channel OUT 1 OUT2 Pay close attention to the wiring diagrams below to insure you correctly configure your drivers PWR ICE250 Manual Few tips amp tricks when setting a 2 way speaker to insure your configuration Is safe a Always start with low levels e g min volume back of speaker b Always un mute in the DSP the High Frequency output channel 2 in a default DSP configuration as a FIRST STEP If incorrect wiring you ll send high frequency to the LF driver You won t damage anything The other way around isn t true C Slowly increase the level and confirm your signal is coming out from the correct driver d Do the same for the other driver 2 0 SE configuration for stereo mode 2x 250W Max 4Ohms The PWR ICE250 operates by default in this mode The configuration is done from the plug in software to Stereo mode Amplifier mode See wiring from the amplifier module and to the speakers Pay close attention to the polarity and OUTPUT numbering OUTPUT 2 L2 OUTPUT 1 imini iiiiiiiiii g a T lt Ce i 4d seam 6014133 8 gt 1 A s j gt may he gt miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P8 nin PWR ICE250 Manual BTL configuration for
18. aved 2 10 3 Restore Factory default Use this feature to restore the board back to factory default Warning that all configurations will be restored back to default from this action 2 10 4 Upgrade firmware In order to enable some new features the PWR ICE may require to be flashed with a new firmware All the required tools and firmware files are already included in the in the installation folder of the plug in So the first step to make sure you have everything you need is to install the new plug in by logging to the UserDownload section Note that firmware upgrade tools is Windows only at this point of time A tftp client is required in the PC to download the firmware Most operating systems come with a TFP client built in In Microsoft Windows this utility is named tftp exe This utility is a very simple console application which can be used to download hex file over the network to the device WinXP WinVista Win7 Tftp utility is disabled in Windows 7 by default to turn it on select Control Panel gt Programs and Features gt Turn Windows features on or off gt TFTP Client Note check the checkbox to enable TFTP Client utility Then click the OK button STEP by STEP to update 1 Connect the PWR ICE device to the network through Ethernet cable 2 Power on the PWR ICE device 3 Open the PWR_ICE2_1x2 plugin installed on the PC The PC should also be connected to the same network domain and DCHP should be used to assig
19. bridged mode Mono mode 1 x 450W Max 4 Ohms The PWR ICE250 can operate in bridged mode where both channels are combined to a mono output To enable the bridged mode you first need to configure the amplifier from the software to Mono Bridged mode Amplifier mode See below picture for the wiring in a Bridged mode Note that both RED wires positive are used in this configuration y Tt POSITIVE OUT Ly NEGATIVE OUT minui titi sak o d ae a e gt S BI a e gt gt h i L P 60141338 FYC 731 2208 s i a i 2 3 3 Enclosure fitting The PWR ICE250 is not completely sealed for the XLR connectors Reset Some of these connectors not having a way to be 100 sealed For that reason it may require a separate sealed enclosure for high power low frequency applications such as a sub Please consult the mechanical drawings at the end of this user manual for more info about dimension and recommended cut out miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P9 ANNIN PWR ICE250 Manual 2 3 4 Audio connectivity The PWR ICE 250 can accept multiple types of audio format Analog or Digital The input source is selectable to one of the source via software Analog Balanced Audio input connectivity pin out Balanced connection 1 gt Cable Shield 2 gt Positive cable 3
20. ed as follow Connect the board to your PC using an ETHERNET cable Launch the plug in to configure settings as required The device is automatically discovered and advertised in the device tree by its custom name Connect to one of the discovered PWR ICE250 and perform live configuration of your unit All settings are automatically saved to both the DSP and the Flash for long term memory Once happy with your configuration you can disconnect the board from your computer since from this point on the audio configuration will run as last modified in on line mode and recalled following every reboot Enjoy Minimum System Requirements for software installation MiniDSP software requires in a PC environment with the following minimum requirements PC Environment PC with 1GHz or higher processor clock speed recommended Intel Pentium Celeron family or AMD K6 AMD Athlon AMD Duron family or compatible processor recommended 512 megabytes MB of RAM or higher recommended ETHERNET 100Mbps port or higher Keyboard and mouse or compatible pointing device Microsofts Windows Vista SP1 XP pro SP2 Win7 Microsofte NET framework v3 5 Adobe AIR environment latest version Adobe Flash player latest version Package content Your miniDSP package includes 1 x PWR ICE 250 1 x RJ45 cable 2m long 1 x IEC power cable 4 x black wood screws for mounting 1 x set of soeaker cables from amplifier to soeakers
21. ed on the network Master Mute Mute all inputs amp outputs signal 202 Preset Memory selection The PWR ICE 250 allows the user fo create up to 4 preset memories for a quick reconfiguration of the processor Under each configuration all settings of the platform are saved Placed at the top of the user interface the use of configurations couldn t be easier Simply toggle between configurations by clicking on the config button The currently selected configuration Configuration Selection Configi Config 2 Config 3 Config 4 WARNING By toggling configurations you may go from a working configuration i e correct volume setup Eq to an unknown or improperly configured configuration We therefore recommend that you perform a quick configuration offline without being connected synchronized to the processor to prevent any damage to your equipment 2 9 3 Input source selection The first step in configuring your MiniDSP consists in making sure audio is being fed to the input correctly Two types of inputs can be selected on a PWR ICE250 Analog input XLR analog input OR RCA unbalanced input Digital input AES input or SPDIF input Unbalanced into XLR When toggling this ON the XLR 2 will become a Digital input routing the audio to the AES receiver miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 17 nin PWR ICE250 Manual The RMS meter wil
22. ek iir 28 OI Renown E E E E E A E E E A A ee ee 11 EE a EET T ATEA pec ico sco occ ome OEE AAAA ATATA TAIA TATAN 11 EO ee E A E ae en ee eee 12 2w VEN A eraa EE 12 2 5 1 SS a E EE E EEE EOS EES Geeta EES AOE EES A EAE O ES E ES OE AET S EE S A EE EPE T ES 12 2 6 ETATE T a E E N 12 2 7 Amplifier key Specifications eeeeeeseeeeseeesseseesssssrcttttterssssssssssttttttttsssssssttttttttt teses testet ttt tt seset setet tetett sses eS eee EEE ESES ESSEE EEEE tvasevanosduixaxvoceiwadss Re 2 8 Amplifier absolute maxiMUmM ratings x sa cccsesasaneneh caavennsdanvenehden venesdenvenedien seosa dan desnacaiese yesian venihden venssanveniebben genesiuiedandbdunsnaiadnadenebinaseanadsnaenebionaees 13 2 9 AmO CUIOUT DOW SE S pecie COINS mansiai AE aaa nN Aa et aA akan 14 3 S10 SEE od 0 2 E nen ene RE A en A E N ene ee I ee ee ee ee rr re ET 15 3 1 1 ATT Gc eee ene ne E rE E E A E A E E A A E A A eee ee E 17 S2 Preset Memory selection essssesssessesssssecttterressssssssstttttttttsssssss tettetett tsss sss ss etetett ttres s Setet t tt tsss eseese E EEE EEES SSS SESE EEEEEE sesse eeeeteeeeeene 17 Skla Input SOONG SSS COMO grec cers asnssensnmenasnansentinasesasvensniacninteacnsasnisensamesaevansnssenectndoersasniaensntessnenseisenssiedavvansessensoobsansasniaenenmeennenseinersdiesadh 17 3 1 4 A E E E eee eee eee eee ene 18 SHES PRO TE O ET AT AE TE EEEE A TE EE ET TIEN AAAA EA A A AAT 19 3 1 6 Waa eM EE A E ot A neti assert E A L A I A AA 19 Salat MI
23. er Connecting When you connect the Amplifier Unit to other equipment turn off the Power and unplug all of the equipment from the supply source Failure to do so may cause an electric shock and serious personal injury Read the user s manual of the other equipment carefully and follow the instructions when making the connections Sound Volume Reduce the volume to minimum before you turn on the amplifier to prevent sudden high levels of noise which may cause hearing or speaker damage Output connectors WARNING Output connector marked with the lightning flashes indicate high voltages that are potentially life threatening Wiring to these terminals requires installation by an instructed person and the use of ready made leads or cords Custom wiring should only be carried out by qualified personnel To prevent electric shock do not operate the product with any of the conductor portion of the soeaker wire exposed NOTE For reasons of safety and performance use only high quality fully insulated soeaker cables of stranded copper wire Use the largest wire size that is economically and physically practical and make sure the cables are no longer than necessary Precautions when connecting to MAINS IN When mounting or connecting the product always disconnect it from mains Only connect the product to an appropriate AC circuit and outlet according to the requirements indicated on the rating plate If a power cut occurs while the amplifier is s
24. in ms delay in ms 0 10ms 0 10ms D B Dist cm 0 Dist fcm 0 8 Open the command prompt from Windows You can do so with RUN gt CMD Type the name of a program Folder document or Internet resource and Windows will open it For you z Cancel Browse 9 Type in the command word as displayed in the pop up in previous step path to firmware file is the absolute path to the firmware file that you downloaded on your PC from the UserDownloads section For this example type tftp 192 168 1 100 put C pwr ice2 hex 10 Hit Enter key to download the firmware to PWR ICE2 device miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice R22 PWR ICE250 Manual 11 While downloading both green and orange led on the LAN port should light up 12 The command prompt will output Transfer successful after 9 10 seconds indicating the firmware was downloaded successfully es Administrator C Wind ows system32 cmd exe Co Wsers Userotfitp 192 168 1 1608 put Co pwr ices hex Transfer successful 2624580 bytes in 180 secondts gt 26245 hytes s C Users User gt 13 Power off the PWR ICE2 device Wait for a second until all leds go off Then power on the device again 14 The NetBIOS name of the PWR ICE2 should re appear as an Ethernet Device under the Device
25. l quickly indicate the average value of the input signal in ABFS i e relative to the full scale of the ADC or 24bit 12S signal This meter displays dB full scale ABFS values and will saturate at OCBFS full scale of the ADC Do make sure to keep the signal below OdBFS red color and with enough headroom say 10cB to prevent saturation during the typical audio peaks of a music SOUICce Input Type Source selection 1 Custom Label Inputi RMS meter monitoring Level control Infinity Per channel PEQ button 2 9 4 Channel Mode The PWR ICE 250 runs a 1 x IN 2 x OUT DSP configuration and will operate under 3 modes selectable from the GUI of the plug in Channel mode Channel 1 L Channel 2 R Mixed L amp R Channel 1 L Mono input from RCA unbalanced Left analog XLR input 1 or Digital AES input Left Channel 2 R Mono input from RCA unbalanced Right analog XLR input 2 or Digital AES input Right Mixed L amp R Mixed Mixed input of RCA unbalanced Left amp Right analog XLR input 1 amp 2 or Digital AES input left amp right miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 18 Analog Outputs 2 90 Analog Outputs 1 Custom label Qutputl Output volume Infinity PEQ control Crossover control Mute control Polarity control Compressor limiter delay in ms 0 10ms Output delay 0 Dist em j 0 2 9 6 Custom Label 2 Output
26. n ip address to PC and PWR ICE2 device 4 The NetBIOS name of the PWR ICE2 will appear as an Ethernet Device under the Device Tree in the plugin If the name doesn t appear click the Ethernet Device folder to expand it The name will appear under the Ethernet device folder 5 Click the NetBIOS name listed under the Ethernet device folder fo connect to the device e g Click the name PWR ICE2 as shown in the below example miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 21 Ce J IMWN DSP PWR ICE250 Manual 6 Onthe menu bar select Restore gt Upgrade Firmware the device will go into bootloader mode with green led on the LAN port flashing 7 The device will be disconnected and a pop up showing Please use this command to update the firmware tftp F PWR ICE File Restore Help AUDIO ON Configuration Selection Config 1 Config 2 Reine Config Device Tree DSP Control Panel Ethernet Device 0 Input Type Channel mode Channel 1 L Channel 2 R Mixed L amp R Amplifier mode Stereo Digital Now connected to Analog Outputs 1 IP Address 3 Input 1 Output i Output 2 12 1 all Sat ein hip eee P PEE ee 0 is id Please use this command to update the i firmware tftp 192 168 1 100 put path to 5 1a firmware file J J4 48 af i Infinity Infinity Infinity Mute Mute Inwert i Inwert delay
27. ng Kong Email info minidsp com Features and Specifications are subject to change without prior notice nin Software setup A Windows PC environment is required for the initial configuration of the product Here are the minimum requirements PWR ICE250 Manual Software Microsofts Windows Vista SP1 XP pro SP2 Windows 7 Microsoft NET framework v3 5 Latest version of Adobe Flash web plug in from Adobe com website http get adobe com flashplayer Latest version of the Adobe Air environment from Adobe Website http get adobe com air Hardware PC with 1GHz or higher processor clock soeed recommended Intel Pentium Celeron family or AMD K6 AMD Athlon AMD Duron family or compatible processor recommended 256 megabytes MB of RAM or higher recommended Ethernet card 100 1000Mbps Keyboard and mouse or compatible pointing device Step Pre installation steps Install net framework and Air environment on your PC Step2 Download the PWR ICE 1x2 package Login with your user account on miniDSP website to gain access to the secure section The latest version of the PWR ICE 1x2 will be available from the User Downloads section http minidso com userdownloads Step3 Installation Launch the PWR ICE plug in Gy Application Install PWR_ICE2_1x2 Installation Preferences M Add shortcut icon to my desktop M Start application after installation Installation Location C Pr
28. ogram Files ea Continue Cancel Following a successful installation PWR ICE plug in will automatically start and discover modules on the network if already connected Note that if you were not connected to internet at the time of software installation and didn t update you Flash Flex installation the software will not boot up Make sure to connect to Internet to get the latest release of Adobe environment Step4 Because the AVBStreamer requires Ethernet to communicate to the units Windows OS may warn to Unblock the software with the message below Make sure to click on Unblock or you will not be able to access units Windows Security Alert To help protect your computer Windows Firewall has blocked some features of this program Do you want to keep blocking this program Name A VB_bridge Publisher Unknown Keep Blocking Unblock Ask Me Later Windows Firewall has blocked this program from accepting connections from the Internet or a network IF you recognize the program or trust the publisher you can unblock it When should unblock a program Step5 With the software up and running you re now ready to connect and configure your module There are 2 now possible path miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P15 ANNIN PWR ICE250 Manual OPTION A Configure the module while online making changes as
29. plifier Unit should only be connected to speakers with average impedance that is not lower than the impedances specified in the User s Manual e Do not place the product on an unstable cart stand tripod bracket or table The device may fall causing serious injury and serious damage to the device Itself e The Amplifier Unit can only be disconnected from the power supply by removing the plug which must be freely accessible at alll times Unplug this Amplifier Unit during lightning storms or when unused for long periods of time e Refer all servicing to qualified service personnel Damages that require service Unplug the Amplifier Unit from the mains supply and refer to your dealer distriobutor or other authorized repair workshop Servicing Is required when The power supply cord or plug has been damaged l 2 Liquid has been spilled or objects have fallen into the amplifier 3 The amplifier has been exposed to rain or moisture 4 The amplifier has been dropped or suffered damage in any other way 5 The amplifier exhibits a distinct change from its normal function or performance Servicing Do not attempt to service this product yourself As opening or removing Covers may expose you to dangerous voltage or other hazards the amplifier may only be opened by qualified personnel Please refer to your dealer distributor Servicing and Replacement Parts All service and repair work must be carried out by an authorized dealer distributor
30. sed for your custom filters of external software such as Room EQ Wizard REW For more information about the auto tuning feature of the miniDSP please check miniDSP s website for the following application note miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 20 PWR ICE250 Manual 2 9 10 Compressor Limiter Typical Comp Limiter settings Threshold dBFs 40 50 Comp Limiter metering Attack Time ms shows real time amount of attenuation by comp limiter al Hold ms 0 Release Time ms f 100 E 90 i B mp Limiter ai a j ypass Comp e sypass ea a ey e Cee er ee ae A Comp Limiter chart A compressor Limiter allows dynamic range compression of the signal to prevent damage of your speakers Extensive information is available online on the use of compressor limiter Please take the time to familiarize yourself with such processing block before using if 2 10 Load Save Restore a configuration 2 10 1 Load configuration Use this feature to load a previously saved configuration The file must be as xml format and previously saved from this plug in For complexity reasons inter plug in compatibility is not available 2 10 2 Save configuration Use this feature to save your audio settings configuration The following dialog box allows you to save the file anywhere on your PC as a xml format All 4 memory preset configurations will be s
31. ully read the user manual when customizing the board Any board damage investigated as failure to follow proper installation may void the warranty So if in doubt please make sure to contact us first Safety Instructions e Read the information for use e Please keep this user manual in a safe place during the lifetime of the product The user manual forms an integral part of the product Reselling of the product is only possible if the user manual is available Any changes made to the product have to be documented in writing and passed on to the buyer in the event of resale e Heed all warnings e Follow all instructions e Do not use this product near water for example in damp rooms or near a swimming pool e Clean only with dry cloth e Do not cover the heat sink Install in accordance with the user manual e Do not install near any heat sources such as radiators heat registers stoves or other apparatus that produce heat e Protect the power cord from being walked on pinched or damaged in any other way Pay particular attention to plugs and the point where they exit from the Amplifier Unit e The product may only be used in accordance with the information provided in the user manual Before and during the usage of the amplifier please ensure that all recommendations especially the safety recommendations as detailed in the user manual are adhered to The Amplifier Unit is designed for the amplification of pulsed audio signals and the Am
32. vel In most 2 way situations e g 2way box with sensitive HF frequency the high frequency would typically only require a fraction of the power of the low frequency driver While the level could be adjusted inside the DSP we added an analog pad on the board to pad the analog signal instead See below jumper and state for more information By default all jumpers will be closed OdB and no attenuation Jumper Output level Open 16dB Closed OdB No attenuation miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P 10 PWR ICE250 Manual P NI S3V ZNI YNY x tno S3V ANI b O LA e10z 90 W 2078614 A SHA O A 6 14 30H Zod Digital Link OUT The digital Link OUT of the PWR ICE is a buffered AES output of the Digital IN It s an AES Output allowing 2 x plate amplifiers to share Audio It could be used for a stereo configuration or dual Subwoofer To use the Digital link between 2 plates use an XLR male to XLR female cable between the Digital OUT of the source plate amp i e first one in the chain to the Digital IN of the second plate NOTE The Digital Link OUT is only a buffered output of the digital Inout Unless you have a digital input AES SPDIF on XLR 2 this output will not be enabled AES INPUT Q N 9 Q O 4 Overcurrent P mnan C 2 O acu O Ke 63 o AES LINK YN p
33. witched on it will restart automatically once the power supply has been restored All settings prior to the loss of power will be maintained IMPORTANT Always connect the Product to mains through the MAINS IN connector on the Amplifier Unit DO NOT REMOVE MAINS CONNECTOR GROUND IT IS ILLEGAL AND DANGEROUS miniDSP Ltd Hong Kong Email info minidsp com Features and Specifications are subject to change without prior notice P S nin PWR ICE250 Manual 2 System Connectivity 2 1 PWR ICE front panel Analog OR Clip Thermal S AES EBU IN ource LED Analog In AES EBU out RJ45 control LED CHART i 1 Analog Soluce Q aaa XLR PIN OUT O 2 Pini Shield Pin2 Hot Pin3 Cold O 0 ome Analog IN Analog IN2 or Dighal Out Ethemet Control Digital IN AES EBU AES EBU R45 Stereo RCA analog input Master NAL ann A Volume O Poweredby PEE NNN DSP with ON OFF switch amp B z ICC a Model PWR ICE250 AEE Input 110 220V 50 60Hz M anmes Max output 630W 02 WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC s SHOCK DO NOT EXPOSE THIS EQUIPMENT TO 115 240V O _ O iius AVIS RISQUE DE CHOC ELECTRIQUE NE PAS selection epee miniDSP Ltd SELECT CORRECT VOLTAGE 115 or 230VAC t33 2 2 PWR ICE Rear panel To prevent electric shock do not operate the product with any of the conductor portion of the speaker wire exposed The PW
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