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DSX

4 - EDITING WITH DSX

MLSSA:

In order to obtain the ASCII file of a frequency response on MLSSA after measure, go to Transfer
Function Magnitude and apply some smooth to the graphic. Once the screen shows this, go to Transfer,
Export, Bode, and choose the phase (normally Actual-phase). Select a resolution of 1/6 of octave and
asign a name to the text file that will be created. It will looks like the following:

"Transfer Function Bode Plot - dB volts/volts (eq)"
      "Hz"  "Mag (dB)"       "deg"
  18.42571,   8.800242,    1.53268
  36.85141,   12.55392,   -120.637
  55.27712,   9.681987,  -62.79101
  73.70283,    11.5648,   123.8057
  92.12853,   12.57369,   102.3705

...

...

....

AUDIO PRECISION:

To import measure curves from AUDIO PRECISION ( *.ADX file extension) the Arkeops Software will ask
for Frequency vs Magnitude file with the following format:

C:\Apwin\S2\Frequency Response.at2, 10/25/07 12:14:18
Gen.Freq,          Anlr.Bandpass,     ,,,,,,
Source 1,          Data 1,            ,,,,,,
Hz,                dBr A,             ,,,,,,
20,                61.5748731269,     ,,,,,,
21.1796875,        62.7706794483,     ,,,,,,
22.4375,           64.0570482866,     ,,,,,,
...

...

...

Then you will be asked for the next file which contains Frequency vs Phase data as shown below:

C:\Apwin\S2\Phase.at2, 11/16/07 14:21:47
Gen.Freq,          Anlr.Phase,        ,,,,,,
Source 1,          Data 1,            ,,,,,,
Hz,                deg,               ,,,,,,
20,                -1e+032,           ,,,,,,
21.1796875,        -1e+032,           ,,,,,,
22.4375,           -1e+032,           ,,,,,,
...

...

...

SPECTRALAB:

From the screen called SPECTRUM click on Overlay options, You will be taken to the Overlay Management

window from where you can click on Save Overlay (*.OVL). This file it will look like the following example:

;PH-N15 EQ
5.8594

-34.657658

8.7891

-27.767826

11.7188

-24.034397

14.6484

-19.426538

17.5781

-14.704682

...

...

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Содержание DSX-1004

Страница 1: ...Valencia Spain www lynxproaudio com USER MANUAL V 11 08 DSX ...

Страница 2: ...sp amplifiers LYNX Pro Audio S L Calle 7 Pol Ind Picassent E 46220 Picassent Valencia This user manual is property of Lynx Pro Audio S L Any reproduction of this manual by any means is strictly prohibited Copyright 2011 All rights reserved RoHS Directive 2002 95 EC ...

Страница 3: ...Labels 24 4 5 Input Equalization Parametric or Graphic 25 4 6 Signal Routing 26 4 7 Crossover configuration 27 4 8 Output Parametric Ecualization 28 4 9 Output Gain 32 4 10 Output Delay 33 4 11 Dynamics Configuration 36 RMSCompressionandLimitation C R ICompression Compressor Limiter Parameters Noise Gate SpeakerandamplifiersParameters 4 12 Final frequency response 43 Import Data 44 Smart live Clio...

Страница 4: ...ntre In order to reduce the risk of electric shock disconnect from AC before plug in or unpluggingAudio signal cables Reconnect toAC only if all signal connections are made and secured Never manipulate the ground type plug provided TheAC mains plugs should always remain accessible for operation Unplug the amplifier during storms or when it s being used for a long time Delicate Material Please ensu...

Страница 5: ...still be there in the next Start up The amplifier has an LCD display and one push switch encoder from which we can change memory or modify the parameters of the memory in real time There are several levels of security to avoid being erased or memories changed by mistake you can also lock the encoder use or protect the entry using a Password or create different levels of user such as administrator ...

Страница 6: ...W 4 x 820 W 4 x 1170 W 0 05 3 0 1 5 0 8 V 113 dB 26 32 38 dB 20 20K Hz 15dB 500 20 500Hz 75 dB 230V 50Hz 483 x 89 x 310 8 5 Kg RMS power 8 RMS power 4 RMS power 2 Bridge 8 Bridge 4 Pink noise Crest factor 4 ohm 2 ohm THD Sensitivity 8 Signal to noise ratio Gain Frecuency response 0 5dB Phase Response 1w Damping factor Crosstalk Required mains Dimensions W x H x T mm Weight DSX 1200 2 x 325 W 2 x 5...

Страница 7: ...D shows temperature protection is active PMS LED indicating PMS in operation ICL LED indicating Intelligent Clip Limiter in operation 3 Main Power Switch Position I Connects the amplifier s current feed Blue LED on Position O disconnects the Power Position II optional Stand by Mode The Amp s Power is activated remotely via Ethernet Amber LED 4 Display 5 Encoder with push button STBY ON Fig A 1 2 2...

Страница 8: ...male input connectors 2 Link Dual Switch in Link mode you can Link an Input to another adjacent input to use the same input signal In Dual mode each channel has an independent Input 3 Gain Selection Switch Gain Selection Switch Three position for 26 32 or 38dB Gain Default setting 32dB 4 Configuration Switch Sub sonic filter ICL and Bridge 5 Speaker connectors Neutrik Speakon to connect the speake...

Страница 9: ...gnal hot and pin 3 to Signal cold Unbalanced Signal Connect Pin 1 to Ground pin 2 to Signal and pin 3 to Ground Important If a connection is done with a un balanced line and pin 3 on the XLR is not connected to ground a 6 dB loss occurs in the line and only a quarter of the amplifier power is produced The two channel amplifier models provides for each channel a female XLR Connector Signal Input pa...

Страница 10: ... are as follows Standard Configuration the amplifier works without high pass subsonic filter Clip Limiter ICL enabled and no Bridge mode Sub sonic Filter Enabled the amplifier works with high pass subsonic filter 30Hz in this case Clip Limiter ICL enabled and no Bridge mode Bridge Mode the amplifier works without high pass subsonic filter Clip Limiter ICL enabled and Bridge mode ICL Clip Limiter D...

Страница 11: ...mperatures rise to near thermal shutdown point due to unfavourable operating conditions Here the system takes control restricting current so as to maintain operational continuity at the precise power level which the amp is capable of withstanding at that particular moment 3 Excessive mains current consumption This event only occurs either under laboratory conditions long term sinusoidal signal tes...

Страница 12: ...L lights to indicate signal presence ICL The Intelligent Clip Limiter is operating No Signal No Input Signal is reaching the amp Overheating The amplifier has reached the maximum operational temperature Most common cause is the normal air flow is blocked accumulated dirt dust or object leaning against the grill Check and clean periodically PMS Several causes can trigger this LED most common are Th...

Страница 13: ...0 recommended Windows O S 98 NT 2000 Me XP VISTA If your computer meets or exceeds these requirements the software will be installed and operated without any problem Before starting the installation be sure to not connect the DSX to the PC until the end of the instalation process It is recommended closing all applications currently in use Insert the CD provided with the amplfier in to your compute...

Страница 14: ...you pick where you want to install the Software Now you must decide the folder name from where you can access the program from the Start menu Once thisis done the information screen installation optionsappear that have been defined and once confirmed the installation will automatically start To finish with this step the software will install the drivers to acknowledge that the PC will detect and i...

Страница 15: ...the installation Then the next screen will report that the entire installation process has been done correctly To complete the entire installation process of the software and drivers the following window information appears confirming that the process is correct and that we must restart the computer for the changes to be implemented 3 INSTALLATION ...

Страница 16: ...e on the PC The operating system needs time depending on the characteristics of the computer to install the device The next time you connect the amplifier DSX to the same USB it will automatically be detected without showing any process but we must also leave a reasonable time before connecting with the processor To verify that the device has been installed correctly open the Device Manager Contro...

Страница 17: ... the version After launching the application we are asked the type of connection with the processor no matter the model it will always be the same 3 7 Launching DSX When selecting USB connection it establishes communication with the processor and it will display the communication screen If the communication is established correctly the screen will disappear quickly giving way to the main screen of...

Страница 18: ...ate it there is a window of information with important indications that you must pay attention to Press Send to start the process First an update on the DSP will be made once the Update is done firmware update will start As soon as the processor starts having a new FIRMWARE the screen will show you the following message Updating FIRMWARE Do not touch anything This indicates that the processor is b...

Страница 19: ... 3 INSTALLATION First Step will be deleting the Flash memory to make it ready to write the new data Once it is empty write new Data will start If the process is executed correctly the next screen will appear ...

Страница 20: ...rs gain delays or dynamics Using the signal route button we can select from where you want the signal to be taken In the Tools menu we have access to options to read create or save configurations as well as the information icon and all related to the communication with the processor establish the connection read and store in memory configurations security options and update the DSP firmware The St...

Страница 21: ...le configuration offline save it into a memory and then work on real time only to do the final touch This option will be unavailable if we are working in offline mode or the proccessor unnplugged In that case you will get the following error message Depending on the status of the connection Real Time Button will look like Offline Online ...

Страница 22: ... from the Main Window DELAY Allows you to set delays for each Output For each main output you have 20 81 milliseconds to be used in the alignment of the boxes of a system or inside a box itself and correct the gap by not being in the same vertical plane DYNAMICS It will let you adjust the parameters on the RMS Limiter and or Peak Limiter From here you can apply protection to your speakers and or a...

Страница 23: ...ke it in Offline mode to avoid human error such as the move by mistake of the mouse wheel being this one on top of a window which chooses the type of filter and change a High Pass for a Low Pass whose output goes to a HF driver with the possibility of damaging your equipment Once the preset in Offline mode is done you can send it to the processor using the button Write To Processor With the preset...

Страница 24: ...put 1 to 8 It should be clear names because the processor has printed on its back panel numbers from 1 to 8 in output connectorsand you will not knowwhich iswhich output seriously endangering the speakers think what would happen if you plug a HF Driver to a Sub output Once you assign a name in each box the corresponding name will change being able to identify clearly every Input and or Output 4 3 ...

Страница 25: ...n table Modify Input EQ each one with the same colour as their respective indicator You have 29 fully configurable filters on each Input Input selector Type of EQ Graphic or Parametric Reset every parameter flat Open EQ file Save an EQ file Show Magnitude or Phase vs frequency Current filter Type of filter Frequency Response Parameters to adjust 4 EDITING WITH DSX If you have a equalization curve ...

Страница 26: ...u find the desired Input signal Steps are A B A B mono C D C D mono You will see the letter of the input drawn at the Icon 4 EDITING WITH DSX 4 7 Cross Over configuration After routing you will find X Over configuration section Press the XOVER Icon on the desired Output screen CrossOver Configuration will appear Show Magnitude or Phase vs frequency Response of filters Select to Edit Cut frequency ...

Страница 27: ...o choose the type of filter High Pass or Low Pass of each route you will select the desired option in the drop down menu changing type of filter and Order being the slope of the filter in dB Oct 6 x order We have 8 filters of 2nd order by CrossOver Four for the lower cut and four for high cut You can go up to 8th Order by cut In case you do not want any cut on the signal simply leave the type of f...

Страница 28: ...roximately 2dB on Bessel However you get a better response in the crossing area of both ways and that is because you solved phase problems typical in these cases Even so we must never forget the final response of the transducer itself connected to this configuration because it will influence the final phase response It is posible to obtain almost a flat response on the crossover area with a little...

Страница 29: ...the frequency of performance and quality Q factor The value of Q isdefined asthe ratio between the width and center frequency of the bandwith between middle gain points It can be adaptable Q or constant Q Shelv Low 6dB Shelving filter or hood to mitigateor enhance lowfrequencieswith a slope of 6 dB per octave Shelv High 6dB Shelving filter or hood to mitigate or enhance high frequencies with a slo...

Страница 30: ... edited through Arrow Up Arrow Down You can also change values of Frequency and Gain using the mouse To do that put the mouse closer to the mark filter until the icon change to Click and hold the mouse button in order to move the filter to where you want If you need more filters simply move to another one in Filter Number Same thing to change between channels use Modify screen It is also possible ...

Страница 31: ...6 6 12 4 EDITING WITH DSX Shelving 12dB oct f 100 10000 G 12 6 6 12 BandPass Q 0 9 1 5 2 5 5 10 15 20 f 1000 G 12 StopBand Q 0 9 1 5 2 5 5 10 15 20 f 1000 LowPass Q Q 0 3 0 5 0 8 1 5 2 5 5 10 f 1000 HighPass Q Q 0 3 0 5 0 8 1 5 2 5 5 10 f 1000 ...

Страница 32: ...licking on the Link boxes you can give the same parameters to other channels By pressing the E button you will see this window 4 EDITING WITH DSX By default all Gains appear at 0 dB We have 6 dB of gain and 30 dB of attenuation in increments of 0 1 dB You can use the sliders or if you want a precise control you must use the keyboard arrows up and down to go from 0 1 dB of 0 1 dB Output Gain area ...

Страница 33: ...e in case the physical situation of Sub bass cabinets are not in the same vertical plane as the rest of the P A You will probably fix that by reversing the polarity applying a 180º of phase invertion but we recommend to use Delays to set up the adjustments precisely Finally you will always have a reference of what any changes made with each output thanks to the labels attached on the main screen 4...

Страница 34: ...ters to 25 ºC You can use these delays for Correct the vertical position of the boxes on a multi way system that is not in the same vertical plane or that part of the boxes for example HIGH MIDs are flown and the rest LOWs on the floor having different distances to the listener In any case you will have the correct path difference calculated and add the corresponding delays in each of the ways in ...

Страница 35: ...provide a phased wavefront As shown below 4 EDITING WITH DSX We also have the AUTO ALIGN button which will internally calculate times and automatically adjust all the delays required to leave the system in phase It is recommended the importation of each transducer curve which should be taked under the same conditions and go to the Final Response screen to see the effect on final electroacoustic re...

Страница 36: ... clear and crisp at all times avoiding the typical problems of normal limiting Then we will have the Peak limiter with which you can control the maximum in mechanical displacement of the loudspeakers To adjust limiters you can introduce gain amplifier the maximum power and impedance of the speakers connected to the output It also has a noise gate that will respond with the times set by the RMS dyn...

Страница 37: ...only point threshold but also the Hold Time and Release because depending on these parameters more or less peaks will be passing on the threshold RMS Compression and Limitation Through the use of compressors and limiters we are looking to modify the dynamics of the signal We will use compressors to reduce the dynamic range from a certain threshold and limiters for not letting the signal pass a pre...

Страница 38: ...rove this relation between speed and distortion 4 EDITING WITH DSX To better understand how the dynamics work observe the following example with the threshold values 6 dB 120 dB Attack s 40 ms Hold and Release of 7 dB s Shown in green signal without limit and a red signal after the RMS limiter When the input signal exceedsthe threshold compression limiting fixed dynamicsstart working reducing the ...

Страница 39: ...s exactly at the time the signal passes the threshold level and can be heard clearly in the sound when it is playing affecting the natural dynamics of the music To solve this problem we used C R I Continuous Ratio Increment dynamic curves at which the threshold shifts from a defined angle to a continuous curve that links perfectly the linear area of compressors and limiters with 1 1 ratio with the...

Страница 40: ... result is a more progressive and transparent way to maintain headroom even when it has already begun to act The same occurs in the C R I compressor where changing the ratio of 1 1 to 1 n where n is the new ratio selected 4 EDITING WITH DSX First select want you want to use compressor or limiter Remember that the use of C R I Compresor or Limiter carries a continuous compressor ending in a limitat...

Страница 41: ...RACY OF DATAENTERED IN CASE OF DOUBT WE RECOMMENDED YOU ASK THE MANUFACTURER OF THE SPEAKERS BOXES AMPLIFIERS AND ALWAYS ADJUST THE THRESHOLD BELOW MAXIMUM ALLOWABLE With the Peak Limiter you can adjust and control the maximum mechanical displacement of the speakers of the system To make the limiters adjustment we will use the values of the amplifier gain used as the maximum power and impedance of...

Страница 42: ...ith the threshold values on 6 dB 40 ms of Hold and Realease of 7 dB s Shown in green signal without limit and a red signal after the peak limiter When the input signal exceeds the threshold limit set 6dB in this example dynamics start working by reducing the signal to the threshold The difference with the RMS limiter see page 34 is that the Peak limiter has no time attacking since it is instantane...

Страница 43: ...he left we can activate or deactivate the influence of each one of the process blocks to the final response Input equaliser GEQ PEQ Output equalization PEQ Xover Gains Delay and even the transducer own Loudspeakers response data if it has been introduced in Import Data It can also select Outputs that want to contribute in the simulation of the total Electroacustic response black curve So we can se...

Страница 44: ... Gain screen Import Data One of the most interesting characteristics that clearly differentiate the DSX amplifiers against other products is the ability to work with real measures of cabinets or speakers The sound Technician or Engineer can include this information at the end of the process chain and observe the electroacoustic response directly on screen and even equalize it until you get the fin...

Страница 45: ...change this value returning to the Import Data window and updating the reference value to another one up more or less focused on aquiring the response to 0 dB The way to import the ASCII Data with the measure on it depends on the software system used Following you can see which procedure and file format will be accepted in each case SMART LIVE To export a text file go to File and choose ASCII Save...

Страница 46: ...eASCII file you have to measure export the transfer function in magnitude and phase and give the name to the file which will be a txt format and this must be equal to that shown below to be accepted by the software LMS TM 4 5 0 352 Jul 01 2007 C copyright 1993 2000 by LinearX Systems Inc Oct 4 2007 Tue 11 15 am Library Remeasure Production Cabinet COmponents lib Curve Blackbird Prodn Cab HIGHS 4w4...

Страница 47: ...sure curvesfrom AUDIO PRECISION ADXfile extension theArkeopsSoftware will ask for Frequency vs Magnitude file with the following format C Apwin S2 Frequency Response at2 10 25 07 12 14 18 Gen Freq Anlr Bandpass Source 1 Data 1 Hz dBr A 20 61 5748731269 21 1796875 62 7706794483 22 4375 64 0570482866 Then you will be asked for the next file which contains Frequency vs Phase data as shown below C Apw...

Страница 48: ... DAAS 32 The file will contain Freq response magnitude and phase data The format will be like this CALSOD Frequency resp NoName 0000 2 0 0 0 0 1 0 0 13 33 33 80 58 70 15 58 35 00 57 90 18 20 36 70 56 40 21 27 39 30 53 50 Acoustilyzer We are able to import measurements of FFT data from Acoustilizer Also with a 1 3 octave smoothing in SPL We have to import the txt file that will have frequency respo...

Страница 49: ... settings knowing that any change will affect the performance 5 In the case of measuring with MLS maximum length Sequence and windowed the response time to avoid reflections on the measurement take the same time window on all measurements and eventually with the initial time commontoall Inthiscase wewill havethesame phaseinformationinall measurements and the final electroacoustical sum will be cor...

Страница 50: ...4 EDITING WITH DSX Finally you will activate the ADD button The two ways sum response is the one in black colour If now you Include activate the speaker response you will see the total electroacoustic response exactly as it appears on the right screen Working on measures and according to them high frequencies can be reduced 10 dBs from the Gains screen Mids are cut at 200 Hz below and 2kHz above w...

Страница 51: ...DSX model When we are connected with the DSPof any DSX amplifier at the head of the main screen software the channel number appears depending with which we are connected DSX 4Ch DSX 2Ch also down on the same screen is a status line which informs us the type and status of the connection it will say to whom we are connected and from where But if we work offline nothing will appear corresponding to t...

Страница 52: ...ect it again it will read the changes even if the box memory shows a different one Write memory After changing parameters on the settings from processor if you want to save it in a processor memory Select the memory number on the Memory dialogue Box and press this button Awarning text will apper saying that this memory will be overwritten Execute memory Instanstaneously execute the memory on the M...

Страница 53: ...name variationsfrom the original setting to then be able to compare between them It is very useful to fill in the comments field in the Info screen additional information relevant to the system or installation to retrieve it later so then we have a better idea of the job carried out It is also recommended to organize the storing files in named directories with very clear names or tips To save the ...

Страница 54: ...vise that all the parameters are going to be set to 0 losing any changes made So with a warning window you can choose to save the current configuration to your hard disc If you click Yes you will access the Save configuration window where you can put a name on the d44 d22 file to be saved If you click NO then a new configuration will appear without saving and Cancel will go back to the main screen...

Страница 55: ...ation is made we must select the memory in which we will store between the 111 memories available We will do this from the section Main Menu altering the value of the Memory box to reach the desired number On the other hand if you have more than one processor connected and you try to establish connection the computer will connect to the first processor installed by Windows Establishing the connect...

Страница 56: ...n appears showing Info of the status of the communication initialization checks communications and end of this one and the progress bar shows the percentage of the entire transmission Once the transmission data is finished the processor will move to that memory automatically in order to start working in that one and hear the changes made With the button Execute Memory you can change to an inactive...

Страница 57: ...e Main Screen called Security The following screen will appear You will see these three levels Level 0 Unlock You allow to use the push button Level 1 Only allow preset changing Level 2 Lock the push button no change can be made 5 CONFIGURATION To add a Password click on the Password Button next screen will appear The global password consists of 6 alphanumeric characters you can enter them with th...

Страница 58: ...you will be asked for a password This selection can be made on the drop down menu in the Preset Information section ZONE ACCESS From the top of the Main screen we can choose or decide to which zones the user will be allowed to modify parameters By default software starts in an Open mode which allows you to access every zone without restrictions Just click in the boxes on Access to zones it will de...

Страница 59: ...st version of the DSP you have the option to upgrade it through the Lynx website www lynxproaudio com you can download updates and improvements for your amplifier If you click on the DSP Icon the following warning message will appear 5 CONFIGURATION Once the installation of the newSoftware iscompleted your processor will have the latest improvements and upgrades until the next version is available...

Страница 60: ...similar electronic apparatus Safety requirements EN 55103 2 1996 Electromagnetic compatibility Product family standard for audio video audiovisual and entertainment lighting control apparatus for professional use Part 2 Immunity WEEE Declaration Electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime Please dispose of this product...

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