user `s user `s user `s user `s manual
Contents
1. n Specify which outputs to use in Input channels Audigy Audio coo v g case your sheda has multiple ou ee er tputs giputtheeuels SE SB Audigy Audio fo 24 bit Consult the input parameters i i I O Amplifier Interface Preamplifier gain must be p pu d pisse and output of your sound 00 for r interfa doped sensitivity 2000 LineOut Sensitivity 2000 card can vary from 1 to 2 set at 7 00 for our interfa left eh 2000 left ch 2000 ies ce ae Ext 7 channel diff a8 Fact ti f Lu sce eee Gain difference L R audio channel right Must be set at 0 327 for our interface using software MARK RIGHT analyzer Microphone Set on the tick on the micropho Microphone Used On Left ch Sensitivity mVJPa ne and set the sliding window of LEFTch as in photos Voltage gain of the amplifier must be set to 6 for our interface Save setup Press this button at the Used to retrieve a pre Press ok to operatio write the sensitivity of the mi crophone you will find in the first line of the txt files cali bration is expressed in mV at end of the complete data viously saved setup nalize the setup just by assigning it a name of set up your choice 94 db or mv Pa Step2 MICROPHONE CALIBRATION DATA ENTRY2. Audio analogic interface all in one for audio mea sures and loudspeakers parameters Thiele amp Small USER 5 MANUAL Audio analogic interface for measures and parameters loudspeakers Thiele amp Small tested with following the software Audiotester http www audiotester de Arta http www fesb hr mateljan arta Room EQ Witzard http www hometheatershack com roomeq DSSFE3 http www ymec com products dssf3e index htm Visual Analyser http www sillanumsoft org Italiano index htm Daqarta http www daqarta com Loudspeaker lab3 http www lsp lab com Downloads htm PREFACE Thank to you for purchaising the kit SIMPY ONE we hope it will become your valid instrument with which You will be able to realize to test to measure and to refinish your acoustic box and loudspeakers It was our intent to supply complete product all in one simple and compact product enormously functional to low price for the capacity of everyone professionists and hob byists Our idea to realize this kit is born because now there are many software for measures au dio with very low price and they have performance and precision very hight simultane ously from the performance of the current sound cards that can offer of the best features with the possibility to obtain given of AUDIO survey of class 1 The interface was experienced and tested with success on most numerous amateurish and professional sound cards for our interf
3. mV Pa STEP 1 CLICK ON THE BUT TON ESTIMATE MIC SENSITIVITY STEP 2 WAIT FOR THE END OF PROCEDURE AF TER PRESS ACCEPT THE RECORD FOR NEW VALUE OBTAINED PRESS OK FOR CLOSING THE WINDOW AND RETURN TO PROGRAM PAG 14 SETUP for ARTA_LIMP PARAMETER THIELE and SMALL Click on ARTA LIMP will open a screen with the toolbar below Untitled Limp gt Cr j CAL SS Mag M P Fstart Hz A 8 Fstop Hz 20000 Gen Pink PN caL mw Mag mP 20 E 20000 2 Avg Lin ear 15 Impedance Measurement Setup Measurement config Stepped sine made FFT mode pink noise excitation Reference channel Right v Frequency increment 1 24 octave FFT size v Reference Resistor 8 2 Min integration time ms 200 Averaging Linear hull asc range Hz Transient time ms 100 Max averages 100 High cut off sacs Low cut off 20 Mute switch off transients pm Sampling rate 96000 Intra burst pause ms 100 Asynchronous averaging 1 Click the icon depicted in the previous photography and marked with reference number 1 Will appear the window measurement setup as in figure 2 Set the channel REFERENCE RIGHT simultaneously providing to set in our interface REFERENCE RIGHT toggle switch on the right 3 SET VALUE OF RESISTOR REFERENCE to 8 2 OHM The input values allow it to calibrate the device LIMP for
4. INTO ARTA AND ARTA STEPS Cy Ine We P o mm CLICK ON THIS ICON IN THIS TOOLBAR OF ARTA ARTA and STEPS THE NEXT SCREEN WILL GET LIKELY TO PUT THE MICROPHONE CALIBRATION FILES E Frequency response compensation Magnitude dB 8 0 6 0 2 0 0 0 2 0 40 6 0 Show 8 0 interpolated 10 0 FN 10 100 1000 10000 values Cursor 310 0 Hz 1 6 dB Frequency Hz C Documents and Settings des Desktop Calibrati WM6 1LK20 11 10 mic Use frequency response compensation STEP I PRESS THE LOAD to load the calibration file in this connection rename the file changing the e xtension from TXT to MIC for ARTA only STEP 2 PRESS OK to confirm CLICK THIS BUTTON to operationa and close the screen lize the calibration the calibration quabdo is on the button takes on a dar ker color as picture if you ripreme the key takes a light color in this case the program will not use the comparison PAG 13 CALIBRATION SPL WITH CALIBRATOR 94db CONNECT THE TRANSDUCER TOINTERFACE Holding the MICROPHONE IN VERTICAL POSITION THE STICK ON TRANSDU CER CALIBRATION OF THE MICROPHONE NOT NEED TO PRESS THE MICRO PHONE IS SUFFICIENT FORCE EXERCISED BY WEIGHT OF TRANSDUCER TO ENSURE THE CORRECT PRESSURE DURING THE CALIBRATION AVOID SHOCK TO MICROPHONE BECAUSE IT COULD GENERATE INFRASONIC NOISE AND CAN VOID THE MEASURE IF YOU HAVE A MICROPHONE S
5. of accuracy in measurements of SPL drastically reducing the effects due to the thermal coefficient of the microphone itself bringing the measurement accuracy of 0 4 db in a temperature range of 0 48 degrees centigrade Furthermore it is very convenient to make the setup of some software that does not require data entry on the sensitivity of the microphone and preamplifier gain because they require you to submit the microphone at a sound pressure level known to calibrate the measurement system In PIECE to obtain a precise calibration in lowest terms it is recommended to perform a preheating of the calibrator of about 5 minu tes before performing the mea surement To do this simply insert the plug into the socket of the transducer The transducer calibrator has a cable connection with a meter in length in order to make easier the placing on the micropho ne Electrical connections The output of the microphone has a connector pin 3 1 4 UNBALANCED mode TWO POLE CON NECTED SIGNAL AND GROUND ELECTRICAL CONNECTION FOR OUTPUT CALIBRATOR I 24 2529050 25 255 Lo The calibrator is made functional by the insertion of the plug interface it causes the activation of the oscillator It is recommended that to connect the transducer only during the calibration phase and disconnect it during the measurements In the following pages of the manual you will find some examples of using it into set
6. detecting the impedance curve of the speakers in the test PAG 15 SETUP LIMP THIELE SMALL PARAMETS CALIBRATION We arrived at the last step the calibration program ARTA LIMP in brief short circuit the resistor reference giving way to calibrate any differences between the channels used LEFT RIGHT across the resistor during the analysis process 1 Start the program ARTA LIMP There appear on the toolbar at the top as to next picture al T ntitled Limp File Overlay Edik View Record Setup Analyze Help a cr m 5 CAL CE 20000 21 Ava Rese 2 Click on the CAL button you will see the following screen simultaneously be sure to set the interface to modality IMPEDANCE Calibrate Input Channels Generate Calibrate Status sim E I Connect left and right input Calibrated for Seq length 32768 channel to sign al generator vir BARS Te Er Sampling rate 96000 mae j i x whi Number of averages Fs 96000 Hz 8 es y Output volume dB v 8 Channel diff 0 05dB Generate Calibrate Uncalibrate we B 2 Pe 3 PRESS CALIBRATION see picture to right and simultaneously without leaving it click on the button calibrated see in the pics above 3 relea se the red button to interface just after calibration when in the status read a message like
7. the one pictured above VERY IMPORTANT The described process is performed with the DUT connected to interface Well we arrived at the end to our setup everything is ready for use we recommend that you print the manuals included with software used because they are of substantial importance for use in the best way to learn and e specially to make full use of all the many features Please verify that the computer is used that the interface are connected to a ground system as is the case for all electrical equipment in metal this is for the functionality as doing so is reset to zero the potential difference which might created between the two sets and for your safety PAG 16 SPECIFICATION SIMPLY ONE INTERFACE SUPPLY 220 240Vac 50 HZ POWER MAX 28W designed and made by Teleprodotti Store www teleprodottistore it PREAMPLIFIER GAIN VOLTS 7 16 9 db 22db with switch positioned to 130db INPUT MIC 5 30 mv WITH BIAS SUPPLY NEGATIV 8 2V cc MICOILK FREQUENCY RESPONSE 10Hz 50Khz POWER AMPLIFIER POWER 14Wrms 4 ohm 7Wrms 8 ohm TDH max 1khz 0 596 FREQUENCY RESPONSE 10hz 40Khz 0 2db GAIN VOLTS 6 15 56 db CLIPPING INDICATOR 70 of POWER max SECTION OF SWITCHING FREQUENCY FADE OUT RATIO CH RIGHT POSITION HIGHT 0 3276 FADE OUT RATIO CH RIGHT POSITION LOW 0 1268 OUTPUT IMPEDANCE lt 500 ohm limiter output signal 1 8V rms SECTION OF SWITCHING IMPEDANCE RESISTOR REFERENCE RX 8 2
8. TAND WILL BE MORE EASY OPERATION IN FIXING THE MICROPHONE TO VERTICAL POSITION AT THIS POINT CLICK ON THE MENU A DESCENT SETUP IN THE TOOLBAR OF ARTA CLICK AGAIN ON CALIBRATE DEVICES SHOWN IN THE PHOTO E Untitled Arta File Overlay Edit View Recorder Generator 3 7 Tools Mode Help Cy WF Imp Fre Fri i w Fs Hz 192000 wa FFT v Audio devices Calibrate devices External FR compensation Measurement Spectrum magnitude dBV 0 Graph setup me gt slim CLICKING ON CALIBRATE DEVICES WILL APPEAR NEXT SCREEN Soundcard and Microphone Calibration Soundcard full scale output mV 1 Connect electronic voltmeter or scope on left output channel setrange to 2V 2 Generate sinus 400Hz Output level 3dB bul 3 Enter voltmeter scope value 4 Estimate Max Output mV Estimated Current 2000 2000 mv Soundcard full scale input mV 1 Connect sine generator with known output voltage on Channel Left v 2 Enter voltage peak or rms Estimated Current Left 2000 2000 mV Right 2006 0 Diff 0 026 0 0262 dB ad 10 5 i Microphone sensitivity mV Pa 1 Connect microphone on Channel Left Preamp gain Fi 2 Attach sound calibrator Pressure 94 dB Estimate Mic Sensitivity Estimated Current 7 52284 7 89567
9. ace becomes insignificant the IN OUT impedance of Your sound card because our interface has a buffer out finalized to cancel this anno ying variable often this has been source of failure in the realization of passive interfa ces to such purpose for to the quality of the measures is clearly preferable that your sound card has at least frequency of sampling to 96Khz 9 One other important parameter for sound card is the time latency the professional soun dcards for recording are supplied with own driver ASIO this allows to obtain low laten cies stable into time domain If you will use amateurish cards used for the audio reproduction home thea tre HiFi Games and so on we recommend to You warmly switch off all effects DSP equalizers etc in the pannel control of your soundcard The gain and the levels of the interface are optimized so as to be able to work in way a dapted with all the sound cards in circulation also with those basic ones integrated on the card mother of the PC is only necessary that they have a input LINE or AUX and are fullduplex recording and playback simultaneously PAG 2 The content into the Kit Simply One 1 Interface SIMPLY ONE 2 Calibrated microphone serialized from 10Hz to 20000Hz 0 6 db SPL max 134db 3 Pocket Weighing Scale 0 500g enclosed batteries 4 Calibrator for microphone SPL 94db 1000Hz 5 Calibration cart and CD contenent the calibration microphone file and the manua
10. all be compared with the frequency at which undergoes the test From what has been described until now we can deduced that The two inputs of your sound card LEFT and RIGHT will be connected with the resistor RX REFERENCE so to read the two voltage values that are obtained when the resistor 1s connected in series with the load under test DUT BUFFER OUT POWER AMPLIFIER RESISTOR REFERENCE THE VALUE OF REFERENCE RESISTOR IS 8 2 OHM THIS VALUE WILL BE ASKED DU RING THE SETUP TO YOUR SOFTWARE WHEN YOU MAKE THE PROCEDURE FOR CALIBRATION PLEASE REFER TO THE INSTRUCTIONS IN THE MANUALS OF SOFTWARE USED PAG 5 SIMPLIFIED DIAGRAM SHOWING THE INTERFACE IN TWO OPERATING MODE OF OPERATION FREQUENCY and IMPEDANCE 1 FREQUENCY RESPONSE 2 IMPEDANCE PARAMETRI T S MICROPHONE PREAMPLIFIER SIGNAL INPUT SPEAKER UNDER TEST MICROPHONE SIGNAL INPUT REFERENCE SOUNDCARD POWER AMPLIFIER FREQUENCY RESPONSE MODALITY SPEAKER UNDER TEST SOUNDCARD POWER AMPLIFIER IMPEDANCE MODALITY THIELE amp SMALL PARAMETERS PAG 6 TPS S Audio interface simply impeaance calibration v AIR ig reference H n I A e M gt o 2x B Ay gt E nae U EA B 2 S sd E G frequency respc This button is used onlyf or the calibration of the software when you using the impedance mode to make
11. ation see pag3 With everything said until now we can see that INPUT LEFT OF THE AUDIO CARD IS USED FOR INPUT SIGNAL OUTPUT LEFT IS USED FOR OUTPUT SIGNAL TO POWER AMPLIFIER CONNECTED TO DUT UNDER TEST With the device so connected we have the frequency response from single channel To linearize the signal in order to obtain an extremely precise measurement and compensated for frequency and level is used the INPUT RIGHT channel as a reference REFERENCE CH of the signal taken from the output of the power amplifier see follw pic DUT MICROPHONE summarizing what told until now about the FREQUENCY RESPONSE modality is apparent that LEFT input receives the signal from the microphone preamplifier RIGHT input picks up the output signal of power amplifier for comparing parameters LEFT output provides the signal for power amplifier PAG 4 METHOD OF OPERATION under modality IMPEDANCE 2 IMPEDANCE modality in our interface allows us to obtain the parameters T S for loudspe aker reading the impedance variations in relation to the frequency with this way allows us to obtain the GRAPHIC IMPEDANCE useful to obtain the basic parameters of the lou dspeakers under test The system is based on the potential difference generated from resistor of known value RX put in series to the transducer to be analyzed in brief it will read the potential diffe rence which will be created as a result of voltage drop on the RX
12. cy response spectrum analyzer and so on 2 LIMP is the section of ARTA inherent in the impedance measurement TS parameters for loudspeakers 3 STEPS is the section of the program that uses pulse frequency progressive steps the SETUP is the same as that used by ARTA section then will be replicated for the STEPS setup so we will limit our explain of the parameters for the setup in ARTA and LIMP Click on ARTA and will open the main screen in the top left corner you will find the toolbar see picture below set the parameters as in the picture following the instructions included in the same picture Untitled Arta Imp a 59 Gen PN pink w Fs Hz 96000 w FFT 8192 8192 w Delay ms 50 000 A Avg Exp 1 SETUP audio device follow these steps SETUP to enter the calibration file of the micro phone Follow the indications for calibration microphone that you can find it later Clicking on the Ref 1 leads to the audio device setup and you will see the following screen Specify the inputs you intend to use with your sound card Put the driver of sound card 973 Setup intend to use the software Soundcard SN ae Soundcard driver V DM Windows multimedia driver Ww Set this parameter by virtue of the characteristics of the sound card 16 24 32bit M M aM aue M Hr n
13. es even significantly Electrical connections The output of the microphone has a canon 3 poles connected via UNBALANCED TWO PINS SIGNAL AND GROUND MICROPHONE CONNECTIONS SIGNAL GROUND CABLE CONNECTIONS PAG 10 Using the microphone with other equipments In order to use our microphones on any device other than our interface SIMPLY that alre ady serves the purpose of providing power bias you will have to make a very simple cir cuit capable of providing power to the microphone and consequently to decouple the output of the microphone The following shows the schematic needed to using our microphone to any microphone input also phantom powered WE RECOMMEND THAT YOU PUT ALL IN A metal box to avoid unwanted noises The scheme is very simply to realize with only two components A RESISTOR A 1 4 WATT VALUE 10 A BIPOLAR CAPACITOR 4 7 MFD 50VOLT NEED A BATTERY 9 VOLT for supply power to capsule into microphone X GROUND er 5 Capacitor NP 4 7mfd IN MICROPHONE OUT MICROPHONE Res 10Kohm BATTERY 9V PAG 11 PAG 12 EXAMPLE SETUP FOR SOFTWARE ARTA LIMP STEPS Now we show you how to enter the parameters needed to run the interface in the ARTA SOFTWARE setup one of the best software for com prehensive reasonable cost and use very intuitive Il sofware Arta diviso in tre sostaznziali software diversificato per funzion1 1 ARTA with analysis of pulse frequen
14. ls in PDF format 6 Cable of output power with connectors to banana 4mm length 120cm 7 Microphone cable low capacity length Smt 8 Clamp support for microphone with adapter 9 Two cables IN OUT interface to sound card length 120cm PAG 3 Short description of operation of the device and its connections to the audio card of the PC Although there are many software with diversified setup the operation principle are like for all Substantially our interface it is subdivided in the two modalities of use we will examine to this point the two modalities modality FREQUENCY RESPONSE and modality IMPEDANCE 1 FREQUENCY RESPONSE In this modality a microphone is used in order to capture the produced sonorous waves from the diffuser under test a signal generator integrated in the software send the signal into power amplifier suitable for load at low impedance from about 2 ohm The operation mechanism is the following one the microphone receives the signal that is sent to a preamplifier that amplify the too low signal the output of this preamplifier is connected at channel LEFT INPUT of your audio card see pag3 So therefore we can assert that INPUT LEFT is used for the INPUT of the signal to analyze The signal of the present generator of functions inside the software is available on OUTPUT LEFT of your audio card comes therefore sent to an power amplifier of to whose exited there is connected the acoustic system under examin
15. ohm OUTPUT IMPEDANCE lt 500 ohm limiter output signal 1 8V rms CALIBRATOR SPL FREQUENCY 1000HZ ACOUSTIC PRESSURE 94 db SPL TDH lt 0 5 PRECISION 0 3db TEMPERATURE REFERENCE 22 degree 1018 mb pressure barometrica Omt SLM ALTITUDE EFFECT 0 1 db to 500mt SLM CASE OF IRON covers in black epoxy paint aluminum fronts DIMENSIONS 180mm x 80mm x150mm WEIGHT 1 8 KG WARNING IS PROHIBITED THE PARTIAL REPRODUCTION OF IMAGES AND TEXTS OF THIS CATALOGUE WI THOUT THE EXPRESS PERMISSION OF THE AUTHOR Copyright TELEPRODOTTI STORE 2011 2012 PAG 17
16. the detection of TS parameters of the speakers Hold down the button when you calibrate reference resistor rele asing it only completed calibration In this regard please note that you will need to calibrate arrange the switch frequency response position Impe dance IMPEDANCE This switch provides to further increase the attenuation factor ratio of the divider connected to the output amplifier built about 10 db in the low may be useful to test your speakers using the built in amplifier to interface full capacity without risking signal saturation all inresso sound card PAG 7 BACK OF INTERFACE AND CONNECTIONS power on THIS SWITCH ALLOWS TO SET THE MAXIMUM MICROPHONE LEVEL OF SPL IT CONNECTS TO AUX INPUT SOUNDCARD THE UNTIL 120 DB CONNECTION HAS TWO CHANNELS LEFTAND RIGHT AND FROM 120 TO 134DB CAREFUL not to confuse them LEFT IS ALWAYS THE CEN MAX TRAL PIN GROUNI IT CONNECTS AUDIO OUTPUT SOUND CARD SHOULD BE CON NECTED ONLY THE LEFT CHANNEL CENTRAL PIN z ae nage ape og E J j e rd GRO UND 2S e de e gt lt 526506561 E i MICROPHONE INPUT CONNECTION THE CONNECTION USES ONLY TWO POLES GROUND AND SIGNAL PAG 8 CALIBRATOR SPL 94db 1Khz The calibrator integrated interface allows us to have a constant frequency sound pressure of known value in order to precisely adjust the microphone gain allows us to significantly increase the degree
17. up for ARTA software Please keep the transducer of the calibrator in a clean dry place when not in use it is recom mended to cover its opening with the cap provided with the foam protection PAG 9 THE MICROPHONE WO6I1LK The microphone supplied with the kit W61LK was specifically designed to perform acoustic measurements made with Panasonic capsules modified to significantly reduce distortion at high sound pressure levels the frequency range is 10Hz to 25kHz the microphone is built with an aluminum stylus anodized has a 3 pin con nector output for canon connect the cable to the interface the microphone comes with a unique serial which is connected to the calibration file TXT 10Hz to 20Khz that is supplied with the microphone on CD In the calibration file that allows to obtain a precision 10Hz 20K Hz 0 6 db is present the figure relating to the sensitivity expressed in mv PA Please note that the timing of our microphone is NOT INVERTING The capsule is mounted on top of the stylus without any alumi num grid we have verified by numerous tests conducted in our laboratory that allows for no shades on the performance of high frequency 10 25K Hz and especially more stable over time from various commercial testing of microphones fitted with metal mesh grilles we later found their vulnerability to small deformations that inevi tably suffer during use and that provide for altering the phase response and sometim
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