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AmpConnect 621

™

Manual

Product Overview

AmpConnect 621™ simplifies your multichannel audio test in a single USB-connected unit. With sample
rates up to 192kHz, it is ideal for the measurement of high resolution audio devices.



6 inputs with independent control of microphone power for each channel



2 Line Outputs



Single amplifier output with switchable binding posts



Unique high accuracy impedance measurement independent of your input channels

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Digital I/O

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Plug-and-play setup with SoundCheck and TEDS support

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Error-free operation with all control via SoundCheck - no buttons!

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Clear visual level indications on front panel

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Excellent ground loop immunity compared to discrete components

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Rugged and rack-mountable for demanding production environments

Содержание AmpConnect621

Страница 2: ...Rev 042622...

Страница 3: ...est 8 Hardware and Calibration 9 SoundCheck Hardware Configuration 9 Latency Changes 11 AmpConnect 621 Hardware Configuration 13 Listen Hardware Tab 14 SoundCheck Calibration Configuration 15 Self Tes...

Страница 4: ...40 Important Safety Precautions And Symbol Explanations 43 Vigtige Sikkerhedsforskrifter Og Symbolforklaringer 45 Explications Importantes des Symboles et des Pr cautions de S curit 47 Wichtige Siche...

Страница 5: ...andling of the Products against defects or damages arising from improper installation where installation is by persons other than Manufacturer against defects in products or components not manufacture...

Страница 6: ...iv Limited Warranty AmpConnect 621 Manual page intentionally left blank...

Страница 7: ...rophone power for each channel 2 Line Outputs Single amplifier output with switchable binding posts Unique high accuracy impedance measurement independent of your input channels Digital I O Plug and p...

Страница 8: ...45 mVrms Yellow indicates amplifier output level is 13Vrms Error Indicator A blinking red Level LED indicates that the amplifier has shut off due to an over temperature or over current event The unit...

Страница 9: ...back panel A 3 wire grounded power cord is supplied Ground the Instrument Install SoundCheck first Before connecting AmpConnect 621 with the provided USB cable to the SoundCheck host computer SoundChe...

Страница 10: ...k instruction manual 1 Click Start and type Manage Audio Devices in the search bar and select Manage Audio Devices 3 Select the Recording tab and set the default record ing device to the motherboard s...

Страница 11: ...CABLE PARTS INSIDE REFER SERVICING TOQUALIFIED SERVICE PERSONNEL Input1 Input2 Digital I O Input 110 240V 50 60 Hz 200W Fuse T 2 5A B it 0 B it 1 B it 2 B it 3 B it 4 B it 5 B it 6 B it 7 3 3V R e t A...

Страница 12: ...on page 21 A A B B CAUTION TOREDUCE THE RISK OF ELECTRICAL SHOCK DO NOT REMOVE COVER NO USER SERVICABLE PARTS INSIDE REFERSERVICINGTOQUALIFIEDSERVICE PERSONNEL Input 1 Input 2 Digital I O Input 110 24...

Страница 13: ...un See Toggle Amplifier Outputs on page 24 Impedance Analysis Step Set the same as Figure 3 5 on page 6 A A B B CAUTION TOREDUCE THE RISK OF ELECTRICAL SHOCK DONOT REMOVE COVER NO USER SERVICABLE PART...

Страница 14: ...B CAUTION TOREDUCETHERISKOFELECTRICALSHOCK DONOTREMOVECOVER NO USER SERVICABLEPARTSINSIDE REFERSERVICING TOQUALIFIEDSERVICEPERSONNEL Input 1 Input 2 Digital I O Input 110 240V 50 60Hz 200W Fuse T2 5A...

Страница 15: ...age that corresponds to 0 dBFS Full Scale Deflection Settings are found in SoundCheck Preferences Launch This is enabled by default See the main SoundCheck manual SoundCheck Main Screen Preferences fo...

Страница 16: ...d with SoundCheck This could be due to differences in motherboard or driver version 1 Open the Hardware Editor Since Latency is Sample Rate dependent click on the Default Sample Rate drop down to sele...

Страница 17: ...own to select the desired rate 2 Click on the drop down arrow next to the value in the Latency field of the Hardware Editor Select Edit and the Latency Table will open 3 Set the Latency for the desire...

Страница 18: ...eld for the selected Sample Rate Figure 4 8 Windows Latency in Samples Important After importing the stock HAR file C SoundCheck xx Steps Hardware Approved Hardware AmpConnect 621 WASAPI Har the Laten...

Страница 19: ...g SoundCheck configuration the channels will automatically be displayed in the hardware editor after the pre existing channels Important Do not use different input and output driver types for an audio...

Страница 20: ...settings Restore your Startup Default settings by clicking Apply in the editor show in Figure 4 12 or restart SoundCheck See Self Test Sequence on page 16 Inputs Source All BNC inputs are routed to t...

Страница 21: ...rdware Channels and have individual DAT files to account for the unique calibration characteristics of each mic Mic 1 through Mic 6 dat Amp Monitor 1 is always linked to Input 7 Amp Monitor 1 dat is a...

Страница 22: ...he performance of your AmpConnect 621 This sequence is located in C SoundCheck x x Sequences Calibration Results include Frequency Response for Line In Out and Amplifier Self Noise Spectrum for Line I...

Страница 23: ...llows Output Calibrated Device Amp 1 dat Calibration Sequence AC621 Amp Calibration Input Signal Path Amp Monitor 1 Click Calibrate Device to run the calibration sequence and follow the prompts to com...

Страница 24: ...one 2 Click Calibrate Device 3 Select your calibrator model from the pull down menu or select Other Calibrator and enter the acoustic calibrator s reference level and frequency as shown in Figure 4 18...

Страница 25: ...r s frequency use the Spectrum Analyzer under the Main Screen Instruments menu The meter in Figure 4 18 indicates the corresponding dB level relative to 1 Volt per Pascal If it varies by a few tenths...

Страница 26: ...AmpConnect 621 Manual Hardware and Calibration 20 Page intentionally left blank...

Страница 27: ...on signal monitoring Source BNC Input 1 through 6 Allows the routing of the signal from the physical back panel input to the associated input of the internal audio interface Figure 5 1 shows BNC Input...

Страница 28: ...mp headphone amp or other external device Monitor Out 1 and 2 The audio interface outputs are internally available so that Monitor In can be selected in the Input Source section to make an internal lo...

Страница 29: ...Hardware Opens the AmpConnect 621 settings window see Figure 6 2 Settings The user selects the Pass Fail state the step will yield in the Results section of the Memory List Wait Allows you to set a t...

Страница 30: ...he even number Input channels 2 4 and 6 Gain and Mic Bias are automatically off grayed out when Monitor Out is selected Amplifier Select Output A Output B or Toggle Amplifier Outputs See Toggle Amplif...

Страница 31: ...un of the sequence See Sequence Editor Step Configuration in the SoundCheck manual for instructions on setting Wait time in a Message Step Digital I O Message Steps Digital I O settings are controlled...

Страница 32: ...26 USB Control Via SoundCheck AmpConnect 621 Manual Page intentionally left blank...

Страница 33: ...s must be used for Read and Write operations Enable Check Boxes Select which Bit s are to be used in the step Settings The Pass Fail radio buttons are not used Wait This allows you to set time for the...

Страница 34: ...the remaining bits used as Read when using both functions The examples used above are based on bits 0 through 3 used as Write and bits 4 through 7 used as Read Enable Bits Check Box Enable bits by se...

Страница 35: ...the time the step is executed in the sequence If the state of any enabled Bit disagrees with the actual state of the selected Bit line the step will issue a FAIL verdict when the step occurs during se...

Страница 36: ...ht be used to set Bit 1 High and Bit 2 High to perform other functions This is especially useful when controlling multiple external relays The Pass Fail radio buttons are not used Figure 7 7 shows the...

Страница 37: ...Figure 7 9 is executed in the sequence it will Read the state of the physical input and compare it to the setting of Bit 4 Bit 4 is set Low as the normal mode for the step so that it will react to the...

Страница 38: ...setting of Bit 4 Bit 4 is set Low as the normal mode for the step so that it will react to the Bit being pulled high by the external switch opening The Pass Fail radio buttons are not used If the actu...

Страница 39: ...the actual state of the input and compare it to the Message Step setting of Bit 5 shown in Figure 7 15 Bit 5 is set Low as the normal mode for the step so that it will react to the Bit being pulled Hi...

Страница 40: ...itself waiting to read switch Normally this would be the first step run in the sequence Step Configuration The Message Step Configuration will need to point at the appropriate steps in a sequence Righ...

Страница 41: ...e 100 k minimum Equivalent Input Noise 14 uV typical 0 dB Gain 20 Hz to 20 kHz BW THD N 80 dB at 1 dBFS 44 1 kHz sample rate 0 dB Gain 20 Hz to 20 kHz BW 77 dB at 1 dBFS 192 kHz sample rate 0 dB Gain...

Страница 42: ...DC GND 10 mA max each Connector External wiring requires Phoenix plug PN 1803659 optional part USB Audio Interface Inputs 6 BNC unbalanced inputs Outputs 2 BNC unbalanced outputs Amplifier output Samp...

Страница 43: ...ergent or chemical solvents Amplifier Operation at High Output Levels When operating the amplifier outputs the minimum impedance is 4 ohms Please note that Output A and B are connected in parallel and...

Страница 44: ...under the lip of the fuse holder to open the door as in Figure 9 1 Pull the fuse holder block out of the housing as in Figure 9 2 You may need to use the flat blade screwdriver to get it started Check...

Страница 45: ...rical contacts facing into the housing as shown in Figure 9 4 Push it in until it is flush with the surface of the power entry module Close the fuse holder door until it clicks AmpConnect is now ready...

Страница 46: ...40 Equipment Ratings and Approvals AmpConnect 621 Manual CE Declaration of Conformity...

Страница 47: ...AmpConnect 621 Manual Equipment Ratings and Approvals 41 UK Declaration of Conformity...

Страница 48: ...42 Equipment Ratings and Approvals AmpConnect 621 Manual Page intentionally left blank...

Страница 49: ...safety purpose of the grounding type plug This apparatus should be connected to a receptacle with a protective earthing or ground connection 11 Protect the power cord from being walked on or pinched...

Страница 50: ...a voice coil Combinations of the above conditions The user should take precautions to avoid personal injury and damage to nearby objects should the heatsink exceeds 60 C Keep all cables and wires awa...

Страница 51: ...til efter installation 10 Omg ikke sikkerheden ved jordforbindelse Denne enhed skal forbindes til et str mudtag med en intakt beskyttende jordforbindelse 11 Beskyt netledningen mod at blive tr dt p e...

Страница 52: ...ngs og Vedligeholdelses instruktioner service i denne vejledning ADVARSEL Dette produkt er beregnet til kortvarig brug under h jttalertest Overfladetemperaturer p det bageste k lelegeme kan overstige...

Страница 53: ...CA et doit demeurer op rationnel en tout temps apr s l installation 10 Ne modifiez pas les fins de s curit de la fiche de type mise la terre Cet appareil doit tre branch une prise avec une connexion...

Страница 54: ...a pr sence d instructions importantes d utilisation et d entretien contenues dans ce manuel AVERTISSEMENT Ce produit est con u pour une utilisation court terme lors d un test d un haut parleur Les tem...

Страница 55: ...as Ger t darf nur an eine Steckdose mit Schutzerdung oder Masse angeschlossen werden 11 Das Netzkabel muss so gesch tzt werden dass niemand auf das Kabel treten kann und dass es nicht gequetscht werde...

Страница 56: ...nd Wartungserfordernisse in diesem Handbuch hin VORSICHT Dieses Produkt ist f r den kurzfristigen Einsatz bei Lautsprecherpr fungen konzipiert Unter bestimmten Bedingungen kann die Oberfl chentemperat...

Страница 57: ...e seguridad del enchufe conectado a tierra Este aparato se debe conectar a un recept culo con una conexi n a tierra que sirva de protecci n 11 Proteja el cable de alimentaci n para que nadie lo pise n...

Страница 58: ...UCI N Este producto est dise ado para un uso a corto plazo durante la prueba de altavoces Las temperaturas de la superficie del disipador t rmico trasero pueden superar los 60 C en determinadas situac...

Страница 59: ...er est in and to the Software including all associated intellectual property rights are and shall at all times remain with Licensor End User may NOT sublicense assign or distribute copies of the Softw...

Страница 60: ...ISK AS TO THE SUITABILITY QUALITY AND PERFORMANCE OF THE SOFTWARE 6 LIMITATION OF LIABILITY IN NO EVENT WILL LICENSOR OR ITS DIRECTORS OFFICERS EMPLOYEES CONSULTANTS INDEPENDENT CONTRACTORS AGENTS OR...

Страница 61: ...by appro priate proceedings under any applicable treaty or otherwise If any provision of this License is held by a court of competent jurisdiction to be invalid or unenforceable to any extent under a...

Страница 62: ...AmpConnect 621 Manual Listen Software License Agreement 56...

Страница 63: ...AmpConnect 621 Manual Listen Software License Agreement 57 LISTEN Inc 580 Harrison Ave Suite 3W Boston MA 02118...

Страница 64: ...AmpConnect 621 Manual Listen Software License Agreement 58...

Страница 65: ...ence 18 Control 21 25 Custom Step 23 D dB level 19 Digital I O 27 Digital I O General rules 29 H Hardware Configuration 9 Headphone Amplifier 18 I IEPE 21 L Level 18 M Message Step 23 Microphone Calib...

Страница 66: ...60 INDEX AmpConnect 621 Manual page intentionally left blank...

Страница 67: ...ck SoundConnect DC Connect AmpConnect AmpConnect 621 AmpConnect ISC SC Amp SoundConnect 2 AudioConnect and AudioConnect 4x4 are trademarks of Listen Inc Microsoft Windows Windows NT and Active X are r...

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