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26 • ADC-20

SoundPals User's Guide

ADC-20 Internal Jumpers

This section provides information about the ADC-20’s internal jumpers
and adjustments.

NOTE

For detailed instructions on opening and closing the
ADC-20, see Appendix A, “

Inside the Module

.”

The figure below shows the ADC-20’s internal jumper locations:

DMIC/ADC-20
04-0222-

Input

Termination

Jumper

•

To change the AES reference input from terminating to
bridging, remove jumper

Summary of Contents for SoundPals

Page 1: ...SoundPals User s Guide interstage Phistersvej 31 2900 Hellerup Danmark Telefon 3946 0000 fax 3946 0040 www interstage dk pro audio with a smile ...

Page 2: ...talled and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Warranty Statement Graham Patten warrants that the equipment it manufactures is free from defects in workmansh...

Page 3: ...GRAHAM PATTEN SYSTEMS INC P O Box 1960 Grass Valley California 95945 Telephone 800 422 6662 530 273 8412 Fax 530 273 7458 e mail soundpals gpsys com World Wide Web http www gpsys com ...

Page 4: ......

Page 5: ...ing 6 Unpacking and Inspection 6 Power Supply Note 6 DAC 20 7 About the DAC 20 7 DAC 20 Installation 10 Connecting Power 10 Connecting Inputs 10 Connecting Outputs 10 DAC 20 Operation 11 Using the Gain Controls 11 Using the Headphone Monitor 11 DAC 20 Interconnection 12 DAC 20 Internal Jumpers 14 DAC 20 Troubleshooting 15 DAC 20 Specifications 16 Audio Specifications 16 Environmental Specification...

Page 6: ...o Specifications 26 Environmental Specifications and Dimensions 26 DFADE 2 27 About the DFADE 2 27 DFADE 2 Installation 30 Connecting Power 30 Connecting Inputs 30 Connecting Outputs 30 DFADE 2 Operation 32 Using the Gain Controls 32 Aligning Outputs 32 Setting the DIP Switches 33 DFADE 2 Interconnection 34 DFADE 2 Remote Control 36 Remote Control Connection 36 Remote Control Operation 38 DFADE 2 ...

Page 7: ...annel Status 56 DMIX 41 Troubleshooting 57 DMIX 41 Specifications 58 Audio Specifications 58 Remote Control Specifications 58 Environmental Specifications and Dimensions 58 DMIC 20 59 About the DMIC 20 59 DMIC 20 Installation 62 Connecting Power 62 Connecting Inputs 62 Connecting AES Reference 62 Connecting Outputs 63 Using Phantom Power 63 DMIC 20 Operation 63 Adjusting Microphone Sensitivity 63 ...

Page 8: ...pecifications 77 Environmental Specifications and Dimensions 77 Audio Specifications 78 DATS 79 About the DATS 79 DATS Installation 80 DATS Specifications 80 Appendix A Inside the Module 81 In This Appendix 81 Before You Begin 81 Opening The Module 82 Closing The Module 83 Appendix B External Power 85 About Power Supplies 85 CE Compliance 85 Portable Power Sources 85 Power Supply Specifications 86...

Page 9: ...bes the DFADE 2 stereo AES two channel digital fader The DMIX 41 chapter provides information on the DMIX 41 four channel digital mixer The DMIC 20 chapter describes the DMIC 20 stereo digital microphone pre amplifier The DA 14 chapter describes the DA 14 AES 1 in 4 out distribution amplifier The DATS chapter describes the DATS Digital Audio Transmission System converters Appendix A Inside The Mod...

Page 10: ... a stereo 20 bit analog to digital AES converter that offers adjustable input level active balanced and unbalanced outputs and LED level indicators for normal and overload conditions The DFADE 2 is a stereo digital fader that offers local level adjustment unity gain switches for each channel remote fade crossfade channel swapping and pan 20 bit or 24 bit processing active balanced and unbalanced o...

Page 11: ...both field recording and studio applications SoundPals can be used to seamlessly perform functions that would otherwise require extensive peripheral gear Multi purpose tasks such as inserting analog equipment in a digital stream or adding mix fade capability to a workstation environment can be performed with ease Best of all SoundPals systems can be re configured quickly and easily to suit your ch...

Page 12: ... input is a single monophonic track from an analog audio source a digital input represents two tracks stereo left and right from a digital audio source Output refers to a SoundPals audio output either analog or digital An analog output is a single monophonic track a digital output represents two tracks stereo left and right Source refers to a monophonic or stereo device analog or digital that is c...

Page 13: ...nd Values Note the following important information regarding signals and values AES3 signals are balanced 2 7Vp p at 110Ω and use XLR connectors AES3ID signals are unbalanced 1Vp p at 75Ω and use BNC connectors 0dBu 0 778Vrms Warnings Please observe the following important warnings Heed all warnings on the unit and in the instructions Do not use this product in or near water Route power cords and ...

Page 14: ...rred during shipping Check the contents of each box to be sure that all parts are included If any items are missing contact your dealer immediately NOTE Remember that filling out and returning the warranty registration card will extend your SoundPals warranty from 180 days to one year Power Supply Note SoundPals are delivered with a power connector only A separate power solution must be obtained G...

Page 15: ...with level control 20 bit D A converter Automatic detection and deemphasis LED indicators for emphasis and valid AES input Separate analog output level adjustments 10 to 4 dBu at 20 dBFS Terminating or bridging input Optional rack mounting tray 1 RU Compact size rugged construction The DAC 20 takes one AES input on an XLR or BNC connector and converts it to two analog outputs on XLR connectors ...

Page 16: ...hannel output 5 Emphasis Detection LED the EMPH LED lights when the channel status bits of the AES input signal indicates that pre emphasis has been applied to the signal If the sampling frequency is within 4 of 48 kHz 44 1 kHz or 32 kHz de emphasis correction is automatically applied 6 AES Input Error LED the ERR LED lights when no signal is applied to the AES input or when the signal is not vali...

Page 17: ...put signal 2 AES Unbalanced Input the AES IN BNC connector accepts an unbalanced AES input signal NOTE Do not connect both AES inputs at the same time 3 Right Channel Analog Output provides decoded right channel output at analog line level adjustable via R GAIN on the front panel 4 Left Channel Analog Output provides decoded left channel output at analog line level adjustable via L GAIN on the fro...

Page 18: ...is applied NOTE Do not connect both AES inputs at the same time The inputs are normally terminated internally with 110Ω AES3 and 75 Ω AES3ID When you need to loop an input signal to several SoundPals the signal must be terminated only once and always at the last unit in the chain Refer to the DAC 20 Internal Jumpers section for information on changing the input termination Connecting Outputs Conne...

Page 19: ... align the left and right analog outputs 1 Connect a reference digital tone generator to the DAC 20 s AES IN connector 2 Connect analog VU meters to the LEFT OUT and RIGHT OUT connectors 3 Turn on the digital reference tone and while metering the analog output levels adjust the associated L and R trimmers for the desired output level Using the Headphone Monitor The analog outputs may be monitored ...

Page 20: ...hones or VU meters AES Jackfield SoundPals DAC 20 Analog VU Meters Stereo Headphones AES In AES In Right Out Left Out PWR Headphones Volume R Trim L Trim Basic Inserting Analog Equipment In this application an analog ATR is seamlessly inserted in a digital stream using both the DAC and ADC together SoundPals DAC 20 AES Output SoundPals ADC 20 AES Input Analog ATR AES In AES In Right Out Left Out P...

Page 21: ... converted to analog using a DAC Thus the mix is available in both analog and digital formats simultaneously Stereo Headphones CD Player Analog Microphones Analog Out L Analog Out R Digital Out SoundPals DFADE 2 AES In AES Out PWR R Trim L Trim Mode Control SoundPals DFADE 2 AES In AES Out PWR R Trim L Trim Mode Control SoundPals DAC 20 AES In AES In Right Out Left Out PWR Headphones Volume R Trim...

Page 22: ... s internal jumpers and adjustments NOTE For detailed instructions on opening and closing the DAC 20 see Appendix A Inside the Module The figure below shows the DAC 20 s internal jumper locations DAC 04 0223 J3 J1 Input Termination Jumper To change the AES input from terminating to bridging remove jumper J1 ...

Page 23: ...tputs Are the outputs connected correctly Check ve to pin 2 ve to pin 3 balanced or hot to pin 2 ground to pin 1 shell pin 3 open unbalanced No audio on headphone output Is the volume control turned up Is the phone jack connected correctly Check left hot to tip right hot to ring ground to sleeve Emphasis on input is not corrected Does AES channel status indicate emphasis Check EMPH LED on Is the s...

Page 24: ...6dB THD N 24dBu bridging load 22dBu 600Ω load Frequency response 0 0 2dB 20 Hz 20 kHz Crosstalk 84dB 20 Hz 10 kHz Dynamic range 94dB Headphone Output Impedance 20Ω Frequency response 0 0 2dB 50 Hz 20 kHz Dynamic range 91dB NOTE All specifications listed above subject to change without notice All parameters listed above specified at 48 kHz sampling frequency Environmental Specifications and Dimensi...

Page 25: ...SoundPals User s Guide DAC 20 17 Operating Temp 10 50 C Operating Humidity 10 90 RH non condensing ...

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Page 27: ...anced and unbalanced outputs LED level indicators for normal and overload conditions Optional rack mounting tray 1 RU Compact size rugged construction Two versions of the ADC 20 are available 44 1 kHz Model This model defaults to 44 1 kHz via the internal crystal However if an external reference is applied to the AES REF connector the output frequency will lock to the reference 48 kHz Model This m...

Page 28: ... is concurrent with the rear panel s AES balanced output XLR both can be used simultaneously 4 AES Reference LED the EXT REF LED lights when the sampling frequency is locked to the externally supplied AES reference signal The LED is an indication only not an alarm 5 Level Indicator LEDs provides level indication for each input calibrated in dB When properly adjusted the following levels are indica...

Page 29: ...an be used simultaneously 3 AES Reference Input the AES REF connector accepts an AES reference signal between 30 kHz and 50 kHz sampling rate Only timing information is used audio content if any is ignored Refer to the Connecting AES Reference section for information on switching frequencies via the reference signal 4 Right Analog Input accepts right channel line level analog input The input level...

Page 30: ...d the shell grounded Refer to the ADC 20 Operation section for instructions on correctly adjusting input level Connecting AES Reference The ADC 20 can be synchronized to an alternate output frequency from the default frequency by connecting a valid AES reference signal to the AES REF BNC connector The EXT REF LED on the front panel lights when a valid reference signal is applied To phase lock the ...

Page 31: ...s are factory set for 4dBu at 20dBFS Other levels can be set by using the following alignment procedure To align the left and right analog outputs 1 Connect a reference analog tone generator to the ADC 20 s LEFT IN and RIGHT IN connectors 2 Turn on the reference tone generator and adjust it to the level that you want to correspond to 20dB below digital clipping 3 While watching the ADC s front pan...

Page 32: ... AES Out AES Ref Right In Left In PWR R Trim L Trim AES Out AES In AES In Right Out Left Out PWR Headphones Volume R Trim L Trim Basic Analog Input to Digital Mixer In this application connect analog inputs e g from an ATR to the ADC and the ADC s AES output to the input of a digital mixer Note how one of the mixer s outputs is used to synchronize the ADC using the AES REF connector SoundPals ADC ...

Page 33: ...ixer via AES An additional analog signal feeds an ADC and then to the mixer via AES One of the mixer s outputs is used to synchronize all SoundPals via bridging AES connections SoundPals ADC 20 Analog In D ESAM Mixer Digital Sources SoundPals ADC 20 Analog ATR Analog Microphones Bridge Bridge Term Program Out Digital In AES Out AES Ref Right In Left In PWR R Trim L Trim AES Out SoundPals DMIC 20 A...

Page 34: ...al jumpers and adjustments NOTE For detailed instructions on opening and closing the ADC 20 see Appendix A Inside the Module The figure below shows the ADC 20 s internal jumper locations DMIC ADC 20 04 0222 J4 J5 Input Termination Jumper To change the AES reference input from terminating to bridging remove jumper J5 ...

Page 35: ...Is input connected correctly Check ve to pin 2 ve or ground to pin 3 Front panel meters not registering Adjust input levels Ext Ref indicator not lit on front panel Is AES reference connected Check that an AES signal is applied to the reference input if you want synchronized sampling Is the reference input a valid AES signal Is the reference input sampling frequency between 30 kHz and 50 kHz NOTE ...

Page 36: ...ital Outputs Terminated 110Ω AES3 75Ω AES3ID Sample Rate 30 kHz 50 kHz Dynamic Range 90dB Frequency Response 0 0 1dB 20 Hz 20 kHz NOTE All specifications listed above subject to change without notice All parameters listed above specified at 48 kHz sampling frequency Environmental Specifications and Dimensions Parameter Specification Dimensions less connectors 5 2W x 1 62H x 6 625D 13 2 x 4 1 x 16 ...

Page 37: ...ach channel 18dB to 30dB Individual unity gain switches for each channel Remote control fading of individual channels or stereo pair from the local level setting down to zero Remote control of individual left and right pan either input can be mixed across to the opposite output channel while maintaining constant volume The pan controls change to balance and separation in stereo mode User selection...

Page 38: ...tereo mode R GAIN is not used R GAIN is active in both local and remote 3 Mode Switches four DIP switches are provided 1 Up two channel mode Down Stereo mode 2 Up L gain local Down L gain unity 3 Up R gain local Down R gain unity 4 Up Remote off Down Remote on 4 Remote Control provides remote fade and pan capability when Mode Switch 4 is down If Mode Switch 4 is up this connector is disabled Refer...

Page 39: ... LED below the power jack lights when power is applied The figure below illustrates the DFADE 2 s rear panel AES IN MADE IN THE USA 1 2 3 4 AES OUT 1 AES Balanced Input the AES IN XLR connector accepts a balanced AES input signal 2 AES Unbalanced Input the AES IN BNC connector accepts an unbalanced AES input signal NOTE Do not connect both AES inputs at the same time 3 AES Balanced Output provides...

Page 40: ... and 50 kHz sampling frequency to one of the two inputs marked AES IN on the rear of the product AES3 and AES3ID inputs are provided NOTE Do not connect both AES inputs at the same time The inputs are normally terminated internally with 110Ω AES3 and 75 Ω AES3ID When it is necessary to loop an input signal to several SoundPals the signal must be terminated only once and always at the last unit in ...

Page 41: ...its contain the 4 LSBs of a 24 bit audio signal In 20 bit mode auxiliary data is passed unprocessed from input to output In 24 bit mode auxiliary data is treated as part of the input audio signal Refer to the DFADE 2 Internal Jumpers section for information on changing the processing accuracy NOTE The DFADE 2 s output sampling frequency always matches the input frequency e g if 48 kHz comes in 48 ...

Page 42: ... When Mode Switch 2 is down the channel is in unity and the control is disabled R GAIN In two channel mode R adjusts right channel level In stereo mode R is not used When Mode Switch 3 is down the channel is in unity and the control is disabled Remember that you can boost as well as attenuate with the trims Aligning Outputs For aligning output levels use the front panel GAIN TRIM controls in conju...

Page 43: ...separation controls are available NOTE If you switch to stereo mode and adjust L GAIN only remember that there may be a balance difference between channels when you switch back to two channel mode Mode Switch 2 LEFT UNITY Set switch 2 Up for local level mode L GAIN is active in both local and remote modes In STEREO mode L GAIN controls both channels together Set switch 2 Down for unity mode Left c...

Page 44: ... information on remote control capabilities and operation DFADE 2 Interconnection This section provides basic and advanced interconnection diagrams Basic Boosting Digital Levels In this application a CD player s levels are boosted and re recorded to normalize the levels as compared to other digital signals Because the CD player has no digital level control itself the DFADE 2 is ideal for basic lev...

Page 45: ... the DMIX In this way using multiple SoundPals and dual remote controllers you can mix crossfade and pan between sources CD Player Remote Control Analog Microphones SoundPals DFADE 2 AES In AES Out PWR R Trim L Trim Mode Control SoundPals DFADE 2 AES In AES Out PWR R Trim L Trim Mode Control SoundPals DMIX 41 AES In 1 AES In 2 AES In 3 AES In 4 PWR Control AES Out SoundPals DMIC 20 AES Out AES Ref...

Page 46: ...trol in stereo mode left fader only is active Pan control in two channel mode Balance and separation control in stereo mode Swap channels in two channel mode The following table lists the pin outs for the remote control interface Pin Function mono Function stereo 1 Ground Ground 2 Control 1 Control 1 3 Right Pan Separation 4 Right Fader 5 Reference HI Reference HI 6 Control 2 Control 2 7 Reference...

Page 47: ... Pan pin 3 Connect pot 3 s slider lead to Left Fader pin 9 Connect pot 4 s slider lead to Right Fader pin 4 IMPORTANT When you design and connect your remote control unit all control inputs must be connected to prevent spurious audio processing Do not leave any of the control pins 3 4 8 or 9 floating Note the following important points regarding your design Shielded cable should be used between th...

Page 48: ... for local level control Down for Unity 4 Adjust the remote controller s Left Fader to adjust L and R GAIN simultaneously from silent to full level The Right Fader is disabled 5 Adjust the remote controller s Left Pan Balance Control to adjust the balance between both channels from fully left to fully right 6 Adjust the remote controller s Right Pan Separation Control to adjust separation between ...

Page 49: ...r s Left Fader to adjust L GAIN from silent to full level Adjust the Right Fader to adjust R GAIN from silent to full level 5 Adjust the controller s Left Pan Balance Control to pan the left channel from fully left to centered to fully right 6 Adjust the controller s Right Pan Separation Control to pan the right channel from fully left to centered to fully right NOTE To accomplish a crossfade betw...

Page 50: ...s internal jumper locations DFADE 04 0224 J4 J2 Input Termination Jumper 20 24 Bit Jumper To change the AES input from terminating to bridging remove jumper J2 To change processing from 20 to 24 bits install jumper J4 IMPORTANT The factory default for jumper J4 is OFF 20 bits Note that 24 bit processing may be used only if the source is 24 bits if the source is not using the 4 auxiliary bits and i...

Page 51: ...DIP switches Is the product in stereo mode Check STEREO LED Level wanders unpredictably Make sure product is not in remote Check REMOTE LED If returning to local corrects the problem make sure that all control inputs are correctly driven Right remote fader does not work Is the product in stereo mode Check STEREO LED Is product in remote control mode Check REMOTE LED Remote control interface not ac...

Page 52: ...Dynamic Range 138dB 24 bit processing 120dB 20 bit processing NOTE All specifications listed above subject to change without notice Remote Control Specifications Parameter Specification Voltage range Reference HI to Reference LO Reference HI 5V 3mA maximum Reference LO 0V 3mA maximum Environmental Specifications and Dimensions Parameter Specification Dimensions less connectors 5 2W x 1 62H x 6 625...

Page 53: ... muted In addition inputs need not be synchronous if the optional sample rate converters SRCs are installed Output timing is derived from the designated master input The DMIX 41 offers the following features Optional remote input selection Optional remote timing master selection 20 bit or 24 bit processing Active balanced and unbalanced outputs Continuous input status display via LED indicators Te...

Page 54: ...d inputs BNC B2 2 SRCs unbalanced inputs BNC B4 4 SRCs unbalanced inputs BNC The figure below illustrates the DMIX 41 s front panel DMIX 41 DMIX 41 6V MASTER 5 4 3 2 6 AES OUT 1 CONTROL ERROR 1 2 1 2 3 4 3 4 1 AES Balanced Output provides AES balanced output via XLR connector Output is concurrent with the unbalanced output BNC both can be used simultaneously 2 AES Unbalanced Output provides AES un...

Page 55: ...nput ERROR LED is lit either continuously or blinking the input signal is muted MASTER four green LEDs are provided one for each input The following LED conditions are possible A MASTER LED lights continuously when the input signal may be used as the output timing reference A MASTER LED blinks slowly when that input signal is in use as the output timing reference A MASTER LED is off when that inpu...

Page 56: ...n models A0 A2 and A4 each input is balanced and equipped with an XLR connector In models B0 B2 or B4 each input is unbalanced and equipped with a BNC connector If the label SRC appears above a connector the input is equipped with a Sample Rate Converter An SRC equipped input does not have to be synchronous in this way mixing inputs at various sample rates is allowed The selected timing master det...

Page 57: ...internal sample rate converters Please note When using model A4 or B4 in an asynchronous environment any signal may be connected to any input Any input can be assigned as the master If no master is assigned the lowest numbered error free input becomes the master When using model A0 or B0 in a synchronous environment any signal may be connected to any input but all four inputs must by synchronous O...

Page 58: ...fer to the DMIX 41 Internal Jumpers section for information on changing the output channel status bits and processing accuracy DMIX 41 Operation This section provides information for local operation when no remote control is connected and AC 3 operation NOTE For details on remote control connection and operation please refer to the DMIX 41 Remote Control section Local Operation In the full local m...

Page 59: ...nit is set for 24 bit processing Refer to the DMIX 41 Internal Jumpers section for details DMIX 41 Interconnection This section provides basic and advanced interconnection diagrams Basic Mixing Workstation Audio In this application digital audio from two workstations is combined mixed in the DMIX 41 and recorded on DAT The DAC provides monitoring capability Remote switching is not required If the ...

Page 60: ... general purpose inputs feed the console The console s output is routed to the DMIX and the DMIX output feeds the air signal and the DAT With the ability to mute any input the remote control unit effectively determines which set of outputs are routed to air Similarly the remote unit can determine which input is assigned as master Remote Control Fidelipac Dynamax MX D Digital On Air Console Audio b...

Page 61: ... DMIX remote control allows you to switch between AES inputs 1 and 2 and select the timing master The DFADE remotes allow you to adjust levels Analog Microphones Air Feed Remote Control Remote Control SoundPals ADC 20 AES Out AES Ref Right In Left In PWR R Trim L Trim AES Out SoundPals DMIC 20 AES Out AES Ref Right In Left In PWR Sensitivity AES Out SoundPals DFADE 2 AES In AES Out PWR R Trim L Tr...

Page 62: ...put master disable this function determines which input is assigned as the output timing reference The following table lists the pin outs for the remote control interface Pin Function 1 Input 1 master disable 2 Input 4 mute 3 Input 3 mute 4 Input 2 mute 5 Input 1 mute 6 Common 7 Input 4 master disable 8 Input 3 master disable 9 Input 2 master disable The figure below illustrates one example of a r...

Page 63: ... pin 9 Connect the top lead of switch 7 to Input 3 Disable pin 8 Connect the top lead of switch 8 to Input 4 Disable pin 7 NOTE Remote control signals are standard 5V CMOS logic levels or contact closures to common Remote Control Operation With the remote control unit customer supplied connected to the DMIX 41 two remote operating modes are provided The remote Mute function allows you to select wh...

Page 64: ...d Any input that is not displaying an error condition as shown by a red ERROR LED may be used as the master If an input is enabled as master its associated green MASTER LED lights continuously If an input is in use as the timing reference its associated MASTER LED blinks slowly If an input is disabled from being the master its associated MASTER LED is off IMPORTANT The DMIX uses a priority system ...

Page 65: ...de the Module The figure below shows the DMIX 41 s internal jumper locations J4 Input Termination Jumpers J5 J3 J2 DMIX 04 0221 J6 20 24 Bit Jumper J8 Channel Status Jumper To change AES inputs from terminating to bridging remove the desired combination of jumpers J2 J3 J4 and J5 To change processing from 20 to 24 bits install jumper J6 To change output channel status change jumper J8 according to...

Page 66: ...ctions for jumpers J6 and J8 J Position Function J6 Off Internal processing is 20 bit Auxiliary data on input signals is discarded Output channel status bits are set to 20 bit mode On Internal processing is 24 bit All 24 bits of input signals are used Output channel status bits are set to 24 bit mode J8a b Off Off Output emphasis not indicated On Off Output indicates no emphasis Off On Output indi...

Page 67: ...ch enabled master showing errors No audio on AES output Is at least one error free input not muted Check for an extinguished red LED If none remove remote control interface connector Check connections If still none check AES inputs for valid signals Are all signals being mixed silent Use DAC to check audio on all mixed inputs Remote interface not active Remove the remote connector Using a short wi...

Page 68: ...60 DMIX 41 SoundPals User s Guide NOTE Please contact the GPS factory if the problem still exists after completing the above procedures ...

Page 69: ...t processing without SRC 120dB 24 bit processing with SRC 120dB 20 bit processing without SRC 118dB 20 bit processing with SRC NOTE All specifications listed above subject to change without notice Remote Control Specifications Parameter Specification High Logic Level 4V Iout 50µA Low Logic Level 1V Iout 200µA Environmental Specifications and Dimensions Parameter Specification Dimensions less conne...

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Page 71: ...l low impedance inputs on XLR connectors One AES balanced output XLR plus one simultaneous unbalanced output DATS on BNC Recessed DIP switches well suited to field work Optional rack mounting tray 1 RU Compact size rugged construction Two versions of the DMIC 20 are available 44 1 kHz Model This model defaults to 44 1 kHz via the internal crystal However if an external reference is applied to the ...

Page 72: ...3 AES Unbalanced Output provides AES unbalanced output via BNC Output is concurrent with the rear panel balanced output XLR both can be used simultaneously 4 AES Reference LED the EXT REF LED lights when the sampling frequency is locked to the externally supplied AES reference signal The LED is an indication only not an alarm 5 Level Indicator LEDs provides level indication for each input calibrat...

Page 73: ...d Output provides AES balanced output via XLR connector Output is concurrent with the front panel s AES unbalanced output BNC both can be used simultaneously 5 AES Reference Input the AES REF connector accepts an AES reference signal between 30 kHz and 50 kHz sampling rate Only timing information is used audio content if any is ignored See the Connecting AES Reference section for information on sw...

Page 74: ...and the shell grounded Unbalanced sources are connected to pin 2 with pins 1 3 and the shell grounded See the DMIC 20 Internal Jumpers section for information regarding phantom power jumpers Refer to the DMIC 20 Operation section for instructions on adjusting microphone sensitivity NOTE If an input is not used its sensitivity should be set to minimum Connecting AES Reference The DMIC 20 can be syn...

Page 75: ... connecting the mics NOTE When phantom power is used a 500 mA universal power supply with low ripple is required Refer to Appendix B for additional information CAUTION If phantom power is not required for your microphone s be sure that the Phantom Power Switch is in the DOWN off position Refer to the DMIC 20 Internal Jumpers section for information about jumpers that affect phantom power functiona...

Page 76: ...ure that both channels are set to the same sensitivity To set the left and right microphone sensitivity 1 If an input is not used set sensitivity to minimum 2 Have your announcer give a steady normal voice level 3 While watching the Level LEDs adjust the appropriate set of SENSITIVITY switches until the associated 20dB LED comes on regularly and the 3dB LED comes on rarely If the 0dB LED comes on ...

Page 77: ...gh a DFADE for level control and then to the DMIX The output of the DMIX is routed to the digital mixer for further processing Note that in this configuration all SoundPals are considered synchronous D ESAM Mixer Digital Sources Analog Mics Program Out Digital In SoundPals ADC 20 AES Out AES Ref Right In Left In PWR R Trim L Trim AES Out SoundPals DMIX 41 AES In 1 AES In 2 AES In 3 AES In 4 PWR Co...

Page 78: ...3 J14 and J15 affect phantompower Jumpers J12 and J13 affect the left mic input Jumpers J14 and J15 affect the right mic input With pins 2 3 connected on each of the four jumpers phantompower is enabled This is the default factory position With pins 1 2 connected on each of the four jumpers phantom power is completely disabled even if the Phantom Power Switch is UP This setting is recommended for ...

Page 79: ...om power Set Phantom Power Switch to UP On position Front panel meters not registering Is microphone sensitivity within SoundPals operating range Adjust sensitivity Ext Ref indicator not lit on front panel Is AES reference connected Check that an AES signal is applied to the reference input if you want synchronized sampling Is the reference input a valid AES signal Is the reference input sampling ...

Page 80: ... 20 Hz 20 kHz Digital Outputs Terminated 110Ω AES3 75Ω AES3ID Sample Rate 30 kHz 50 kHz Dynamic Range 92dB sensitivity 40dB 84dB sensitivity 60dB Frequency Response 0 0 1dB 20 Hz 20 kHz NOTE All specifications listed above subject to change without notice Environmental Specifications and Dimensions Parameter Specification Dimensions less connectors 5 2W x 1 62H x 6 625D 13 2 x 4 1 x 16 8 cm Power ...

Page 81: ...SoundPals User s Guide DMIC 20 73 Operating Humidity 10 90 RH non condensing ...

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Page 83: ...connectors NOTE The printed legend on the rear panel indicates the DA 14 model Both models include one AES3 input on an XLR connector and one AES3ID input on a BNC connector Note that only one input can be used at a time The DA 14 offers the following features Choice of balanced AES outputs XLR or unbalanced AES3ID outputs BNC Terminating or bridging inputs Accepts and regenerates any AES or AES3I...

Page 84: ...nced Input the AES IN BNC connector accepts an unbalanced AES input signal NOTE Do not connect both AES inputs at the same time 3 I P ERR this LED lights when no signal is applied to the input or when the signal is not valid A non valid signal exhibits errors such as format violations bit errors low level or incorrect frequency When I P ERR is lit output is muted 4 Power LED the green LED lights w...

Page 85: ...4 Model the printed legend indicates the model A AES balanced or B AES3ID unbalanced NOTE The Model A with balanced XLRs is shown above The Model B provides unbalanced BNC connectors 2 Power Connector accepts the power jack from the 6VDC power supply Refer to Appendix B for more information regarding external power 3 AES Output 1 4 AES Output 2 5 AES Output 3 6 AES Output 4 ...

Page 86: ... one of the two inputs marked AES IN on the front of the product Both AES3 and AES3ID inputs are provided NOTE Do not connect both AES inputs at the same time The inputs are normally terminated internally with 110Ω AES3 and 75 Ω AES3ID When it is necessary to loop an input signal to several SoundPals the signal must be terminated only once and always at the last unit in the chain Refer to the DA 1...

Page 87: ...g it to the DA 14 s BNC input you can achieve full level AES output times four provided that the source output is above the 165mv threshold Note that S PDIF adapters BNC to RCA Phono are readily available at consumer electronics stores Multiple output capability To configure two or more DA 14 units for multiple outputs beyond the basic four remove the terminating jumpers place a BNC T on the input...

Page 88: ...al outputs are connected to AES destination devices in your facility Note that both DA 14 models are shown DAT Recorder Facility Routing Switcher Digital D ESAM Mixer Analog ATR Workstation To Destination Digital Devices SoundPals ADC 20 AES Out AES Ref Right In Left In PWR R Trim L Trim AES Out SoundPals DA 14 Model B AES3ID Out 1 AES3ID Out 2 AES3ID Out 3 AES3ID Out 4 PWR AES In SoundPals DA 14 ...

Page 89: ...the DA 14 Internal Jumpers section for information Analog ATR To Destination Digital Devices SoundPals ADC 20 SoundPals DA 14 Model B AES3ID Out 1 AES3ID Out 2 AES3ID Out 3 AES3ID Out 4 PWR AES In SoundPals DA 14 Model B AES3ID Out 1 AES3ID Out 2 AES3ID Out 3 AES3ID Out 4 PWR AES In SoundPals DA 14 Model B AES3ID Out 1 AES3ID Out 2 AES3ID Out 3 AES3ID Out 4 PWR AES In BNC T BNC T BNC T 75 Ohm Term...

Page 90: ...side the Module DA 14 04 0231 J902 Input Termination Jumper J903 V Flag Jumper To change the AES reference input from terminating to bridging remove jumper J902 To change the I P ERR LED such that it also detects the V Flag Validity Flag in addition to invalid AES signals place jumper J903 between pins 2 and 3 When the jumper is between pins 1 and 2 the LED only indicates invalid AES signals this ...

Page 91: ...he destination devices Is the sampling frequency within 4 of 48 kHz 44 1 kHz or 32 kHz No signal or improper signal at a bridged DA 14 unit Are the DA 14 units properly bridged Are the terminating jumpers removed Is the last DA 14 unit in the chain properly terminated NOTE Please contact the GPS factory if the problem still exists after completing the above procedures DA 14 Specifications This sec...

Page 92: ...84 DA 14 SoundPals User s Guide Operating Humidity 10 90 RH non condensing ...

Page 93: ...Input impedance 75Ω or bridging Return loss 15 dB 0 1 6 MHz Sample frequency 30 50 kHz Digital Outputs Model A AES3 Terminated in 110Ω Amplitude 4 5 Vp p Rise time 5 30 ns Output impedance 110Ω 20 0 1 6 MHz Common mode 30 dB 0 6 MHz Model B AES3ID Terminated in 75Ω Amplitude 1 0 2 Vp p Rise time 37 7 ns Output impedance 75Ω Return loss 15 dB 0 1 6 MHz DC on output 50 mV Data Jitter Peak jitter gai...

Page 94: ...86 DA 14 SoundPals User s Guide NOTE All specifications listed above subject to change without notice ...

Page 95: ...ommon unbalanced format using 1V p p signals 75 ohms that treats AES signals just like video signals A DATS converter is essentially an XLR connector with DATS conversion circuitry inside and a BNC connector on the other end The converters simply plug into the I O connectors on the back of the selected machine DATS Model 21 Destination Converter DATS Model 10 Source Converter Two DATS models are a...

Page 96: ...cations The following table lists DATS specifications Parameter Specification DATS Model 10 Source Converter Typical AES sources supply 7 to 10 volts p p open circuit with a balanced source impedance of 110 ohms and a male XLR jack The DATS Model 10 delivers 0 7 to 1 volt into a terminated 75 ohm cable or load with a source impedance of 75 ohms DATS Model 21 Destination Converter A receiving devic...

Page 97: ... much less critical than NTSC video but requires about the same bandwidth Almost any device such as DA s jackfields and routing switchers can be used Existing video cable can be used but RG 59 type cable is adequate for over 1000 feet without equalization ...

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Page 99: ...tors and controls all SoundPals modules are completely symmetrical in shape Before You Begin Check the following items before opening the module and attempting to remove the internal circuit board If required remove the SoundPals module from the rack tray Disconnect the power supply from the front of the product Disconnect all input output and control cables Perform the remaining steps only in a s...

Page 100: ...4 Remove the rear panel 5 On the front panel remove four Pozidriv screws from the four corners of the module 6 Pulling the front panel carefully draw the internal circuit board and front panel assembly from the housing CAUTION If BNC connectors are present keep the case horizontal so that the bushings stay with the connectors 7 Set the housing and all mounting hardware in a safe place Procedure 2 ...

Page 101: ...t product label is on the bottom 2 Carefully slide the internal circuit board and front panel assembly through the housing If BNC connectors are present keep the case horizontal so that the bushings stay with the connectors 3 Replace but do not tighten the four Pozidriv screws in the front corners of the SoundPals module 4 Replace the rear panel 5 Replace but do not tighten the four Pozidriv screw...

Page 102: ... and rear panel assembly through the housing If BNC connectors are present keep the case horizontal so that the bushings stay with the connectors 3 If required replace all BNC nut s and associated lock washer s on the front panel of the module 4 Replace all Philips XLR mounting screws on the front panel of the module 5 Replace and tighten the four Pozidriv screws on the rear corners of the module ...

Page 103: ...ning from AC line inputs DC battery sources may be used if they meet all of the listed requirements CE Compliance For CE compliance the power supply that you use must comply with the following requirements Low Voltage Directive 73 23 EEC EMC Directive 89 336 EEC EMC Directive 93 68 EEC The connector locking ring must be tight Portable Power Sources For portable SoundPals power sources sealed lead ...

Page 104: ...t 760K with center positive sleeve negative Note the following important points regarding the DMIC 20 Under normal conditions a DMIC 20 requires about 300 mA When phantom power is used 500 mA with low ripple is required Only the GPS supplied universal power supply or the Elpac MI2007 are satisfactory for the DMIC 20 when phantom power is used Power Supply Sources In addition to the GPS supplied un...

Page 105: ...with dual universal power supplies when redundant power is required The Rack Tray is particularly useful internationally where it provides a simple economical and universal power solution for SoundPals SoundPals modules fit three across inside the Rack Tray A red LED indicator light on the tray provides immediate feedback when a power failure occurs NOTE The Rack Tray unit ships with separate inst...

Page 106: ...98 Appendix C SoundPals User s Guide ...

Page 107: ... 24 connecting AES reference 20 inputs 20 outputs 21 power 20 description 2 17 dimensions 26 environmental 26 features 17 front panel 18 installation 20 interconnection 22 internal jumpers 24 L GAIN 18 level LEDs 18 operation 21 output gain trim 18 phase lock frequency 20 power connector 18 power LED 18 R GAIN 18 rear panel 19 setting sample frequency 21 troubleshooting 25 using gain controls 21 v...

Page 108: ... digital outputs 32 Analog gain trim ADC 20 18 DAC 20 8 input to digital mixer 22 inputs ADC 20 19 level adjustments 7 mic input to mixer 64 mic inputs DMIC 20 61 multiple inputs 23 outputs DAC 20 9 sub mix 65 Application DA 14 73 field 3 studio 3 ATR 5 Audio bypass switch 50 Engineering Society 5 specifications ADC 20 26 DA 14 78 DAC 20 16 DFADE 2 42 DMIC 20 68 DMIX 41 58 tape recorder 5 B Balanc...

Page 109: ...model 69 AES3ID model 69 application 73 audio specifications 78 change termination 76 change V Flag 76 connecting inputs 72 outputs 72 power 72 description 2 69 dimensions 77 environmental 77 front panel 70 I P ERR LED 70 input termination 72 installation 72 interconnection 74 internal jumpers 76 model 71 multiple outputs 73 operation 73 power connector 71 rear panel 71 S PDIF to AES convert 73 tr...

Page 110: ...utputs 30 power 30 crossfade 39 description 2 27 dimensions 42 DIP switches 33 environmental 42 features 27 front panel 28 input termination 30 installation 30 interconnection 34 internal jumpers 40 L GAIN 28 mode switches 28 operation 32 pan 39 power connector 29 power LED 29 R GAIN 28 rear panel 29 remote connector 28 specifications 42 switch 28 34 remote control connection 36 operation 38 pin o...

Page 111: ...power 62 description 2 59 dimensions 68 environmental 68 features 59 front panel 60 installation 62 interconnection 64 internal jumpers 66 level LEDs 60 microphone DIP switches 60 microphone sensitivity 60 operation 63 phantom power 59 61 switch 61 phase lock frequency 62 power connector 61 power LED 60 rear panel 61 troubleshooting 67 versions 59 61 DMIX 41 20 24 bit processing 43 A0 A2 A4 models...

Page 112: ...nal power 85 F Features ADC 20 17 DAC 20 7 DATS 79 DFADE 2 27 DMIC 20 59 DMIX 41 43 Fidelipac Dynamax MX D 50 Front panel ADC 20 18 DA 14 70 DAC 20 8 DFADE 2 28 DMIC 20 60 DMIX 41 44 G Gain controls 4 ADC 20 using 21 DAC 20 using 11 DFADE 2 using 32 headphone 8 H Headphone connector 8 gain control 8 monitor 11 I I P ERR LED DA 14 70 DFADE 2 28 DMIX 41 45 48 I P VALID LED DFADE 2 29 Input analog di...

Page 113: ...1 55 J Jumper J1 DAC 20 14 J12 J15 DMIC 20 66 J2 DFADE 2 40 J2 J3 J4 J5 DMIX 41 55 J4 DFADE 2 40 J5 ADC 20 24 J5 DMIC 20 66 J6 DMIX 41 55 J8 DMIX 41 55 56 J902 DA 14 76 J903 DA 14 76 L L GAIN ADC 20 18 DAC 20 8 9 DFADE 2 28 LED AES Reference ADC 20 18 DMIC 20 60 EMPH 8 emphasis 7 ERR 8 I P ERR DA 14 70 DFADE 2 28 DMIX 41 45 48 I P VALID DFADE 2 29 level ADC 20 18 DMIC 20 60 MASTER DMIX 41 45 overl...

Page 114: ... digital 4 gain trim ADC 20 18 DAC 20 8 status DMIX 41 55 56 Outputs balanced DAC 20 10 connecting ADC 20 21 DA 14 72 DAC 20 10 DFADE 2 30 DMIC 20 63 DMIX 41 48 unbalanced DAC 20 10 P Pan DFADE 2 39 Phantom Power 59 61 enable disable 66 jumpers 66 switch 61 63 using 63 Phase lock frequency ADC 20 20 DMIC 20 62 Pin outs DFADE 2 remote 36 DMIX 41 remote 52 Portable power sources 85 Power ADC 20 20 c...

Page 115: ... 41 53 pin outs DFADE 2 36 DMIX 41 52 signal flow DFADE 2 37 specifications DFADE 2 42 DMIX 41 58 REMOTE LED DFADE 2 29 S S PDIF to AES convert 73 Sample frequency ADC 20 21 Sample Rate Converters 5 43 DMIX 41 inputs 46 Separation DFADE 2 38 Signals AES3 5 AES3ID 5 looping 6 not valid DAC 20 8 valid DA 14 70 DAC 20 10 DFADE 2 28 29 DMIX 41 45 48 SoundPals ADC 20 description 2 close module 81 confi...

Page 116: ... 2 29 Sub mix 13 Swap channels stereo mode 38 39 two channel mode 39 T Termination ADC 20 24 DA 14 72 76 DAC 20 10 14 DFADE 2 30 40 DMIC 20 66 DMIX 41 48 55 Terms 4 Troubleshooting ADC 20 25 DA 14 77 DAC 20 15 DFADE 2 41 DMIC 20 67 DMIX 41 57 U Unity gain 4 27 switch DFADE 2 28 33 Unpacking 6 Using gain controls 4 ADC 20 21 DAC 20 11 DFADE 2 32 Using headphone monitor 11 V V Flag DA 14 76 Valid si...

Page 117: ...SoundPals User s Guide Index 109 interstage Phistersvej 31 2900 Hellerup Danmark Telefon 3946 0000 fax 3946 0040 www interstage dk pro audio with a smile ...

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