USER MANUAL v1.0
Contents
1.2. r E e EE E e 1 2 m _ _ lt _ USER MANUAL v1 0 connect with us You facebook com audient Tube twitter com audientworld youtube com audienthampshire www audient com audent Welcome amp Thank You ASP880 Contents 7 y a N a i PA SNY 4 Ta 9 Box Contents 1 Thank you for purchasing this audient product ASP880 can be seen as the natural progression of our classic 8 8 1 eight channel microphone preamplifier e 8 superb class a mic preamplifiers amp 2 x discrete JFET instrument inputs Declaration of Conformities Using the same proven discrete class a G transistor input stage with extended Clean amp stable P46 phantom power Hardware Features g bandwidth and a noise floor close to the Microphone amp Line Inputs g theoretical Johnson noise limit ASP880 e 60dB of clean gain with 10qB pads on Instrument Inputs 10 provides a world class recording front end channels 1 amp 2 for kick snare etc Gain amp Setting Levels 11 in a convenient 1RU package Input Signal Conditioning 12 e Polarity reverse to enable phase Sweepable High Pass Filter 12 The microphone preamplifier has been coherent recording across all tracks Variable Input Impedance 05 refined over 15 years by design legend Analogue Line Outputs 15
3. ee W Pe ABS Hiz ll WOR E ca EY 24 S PDIF POA gee A 5 8 S5 ay 7 AP cus a 1 A 1 SMUX 96k J fa p 1 pe anaa ee ER a e gee e Digital DB9 Pinout 5 880 amp D22 Perfect Harmony Combining ASP880 with our ID22 USB recording interface via ADAT you get 10 audient mic preamps 10 top of the range Burr Brown AD converters and 6 pristine DAC outputs for monitoring Nice 16 audent Hardware Features Clocking with the ASP8 amp 80 There are two ways to integrate 0 into your system digitally AsaMASTER clock source internal clock Asa SLAVE device external clock Master Clock Operation INTERNAL Assuming that you are connecting the 5 880 digital output to a DAW recording interface with either AES or ADAT inputs the 5 880 can be set as MASTER clock source as follows select the appropriate sample rate on the front of 5 890 by pressing the SAMPLE RATE switch 1 Ensure that your DAW recorder session is set to the same sample rate and that clock source set to external digital input either AES or ADAT Audient 72 Your DAW recorder should automatically follow the sample rate set on the front of the 5 880 Note that both the AES and ADAT output simultaneously So you can feed a backup recorder at the same time on location gigs Source Default Format 44 100 0 Hz
4. 14ch 24bit SAMPLE RATE 96 88 2 48 ADAT OUT s A ye 1 8 48k ei ere SS i AES Hiz EL WORD 59 E Ay SPDIF 75 m CLOCK gt 5 8 0 ASN JX 96k n ee en rar CONNECT DIGITAL OUTPUT AES or ADAT TO YOUR RECORDER Clock source Aucient Internal Clock 17 Slave Clock Operation EXTERNAL You may have a studio master clock source such that all digital devices synchronise to your session sample rate or perhaps you would like the 880 to follow your DAW recorder session sample rate so that you do not have to reconfigure the unit when you flip between sessions at different sample rates In order to do this you must set the 0 digital card to SLAVE to an external clock source Press the SAMPLE RATE switch 1 until it is flashing green external clock mode Ensure that your master clock Source Is connected via a 75C2 coaxial BNC cable to the Word Clock input on 5 880 2 with a valid clock signal present here the green LED in the SAMPLE RATE switch should become solidly lit indicating external lock 80 the only or last device in the clock chain fed from the master clock go ahead and press the 75Q termination switch 3 to ensure that the clock line is loaded properly to stop any transmission line effects If using a BNC T Bar to distribute clock Signals to various devices please ensure the
5. 1 This is supplied at 48V 4v 10mA per channel and is fully compliant with the DIN45596 specification This is suitable for any phantom powered condenser mics or ribbons with on board active head amps etc Pad 0 The 10dB pad 2 can be used In conjunction with the gain control to adjust any hot signals on channels 1 amp 2 Please note that the actual attenuation value of this pad will vary with micpre input impedance lo med or hi and therefore using your ears and eyes 5 the best policy here Polarity Reverse Polarity reverse 100 degrees can be applied to any channel to ensure that multi mic setups sound as full as possible ALWAYS REMEMBER TO CHECK PHASE To check phase coherency on multi mic setups first always use careful microphone placement and then press the O switch 3 on various combinations of channels to find the fullest most solid low frequency representation of the source On drum kit recordings typically you may find either the kick drum out of phase with the overheads or the underneath snare mic out of phase with the top snare mic etc Some times one overhead out of phase with the kick drum SO move mics first and then use the polarity reverse switch to find the best compromise oweepable High Pass Filter The sweepable HPF is 2 order 12dB per octave and can be used to increase head room and clean up low frequency rumble etc Engage this by pressing the swit
6. last device in the chain is terminated 750 SAMPLE RATE 96 6 88 2 48 3 Q MASTER CLOCK SOURCE BNC OUTPUT 3 2 750 COAX CABLE Gb cl OR ADAT 00 2 AE N 48k Ags Hi z BL WORD a 1 4 IY S PDIF 759 CLOCK 5 8 w SN JX 96k A ae ea ne ee CONNECT DIGITAL OUTPUT AES or ADAT TO YOUR RECORDER 18 317 ASP880 Block Diagram audent Troubleshooting amp FAG Troubleshooting FAQs EE c N N ta in ia 22 Sne E xN ge l l l FEE sze E go ono e My microphones are not producin For more information and service ER py 000 Be ie dob 3 ELP Be av Ye j zzz S gga TE signal information support please search our fan m AT gn 85 EE E e Tia go dg online Knowledge Base which can be found SE a x HEE SS pE JEA fe 4E a 203 293 ak S55 Double check that phantom power is here za qA qd Anh MA da AAA 25 k i turned on via the front panel switch try www audient com support a Z 2 zE us T7 a3 4 22 1 3 swapping XLR cables then double check by Es Em 1 a 3 all connections to the recorder Knowledge Base Search Z v od 6 A ag E 2 D 2 e cannot clock the ASPSSO from an 3 i external clock source or you are For technical support ple
7. 0 kg LINE OUTPUTS Insert Sends MAXIMUM OUTPUT LEVEL 27 5dBu OUTPUT IMPEDANCE lt 1000 Balanced a 22 3mm 21 audent audent Warranty Statement Your ASP880 comes with a manufacturer s warranty for one year 12 months from the date of despatch to the end user The warranty covers faults due to defective materials used in manufacture and faulty workmanship only During the warranty period audient will repair at its discretion or replace the faulty unit provided it is returned carriage paid to an authorised audient service centre We will not provide warranty repair If in our opinion the has resulted from unauthorised modification misuse negligence or accident We accept liability to repair or replace your 5 880 as described above We do not accept any additional liability This warranty does not affect any legal rights you may have against the person who supplied this product It is additional to those rights Warranty Limitations This warranty does not cover damage resulting from accident or misuse The warranty is void unless repairs are carried out by an authorised service centre The warranty Is void If the unit has been modified other than at the manufacturer s instruction The warranty does not cover components which have a limited life and which are expected to be periodically replaced for optimal performance We do not warrant that the unit shall operate in any other way than as descri
8. THD N GdBFS 1 kHz lt 0 002 94dB Td a DYNAMIC RANGE 11308 un weighted Mic HI 3k6Q Balanced 11508 Aweighted a Line All Z gt 10kQ Balanced l i FREQUENCY RESPONSE 0 5dB 10Hz to 100kHz eae it Td CROSSTALK lt 85dBu 1kHz amp 10kHz THD N OdBu 1kHz 0 003 90 5dBu z IiE SNR gt 90dB a HPF Sweepable from 25Hz to 250 Hz on 2nd Order 12dB Octave DIGITAL i o g qu 4 O J XLR Pin 2 Hot Pin 3 Cold amp Pin 1 Shield ADAT 8 CHANNELS SMUX 44 1 SBkKHz 0 1 4 JACK TIP Hot RING Cold amp SLEEVE Shield AES S PDIF 8 CHANNELS 44 1 SBkHz f Td CLOCK Internal or External WORDCLOCK INPUT 750 BNC i Optional 75Q Termination Tr dB 60 25 GAIN POWER SUPPLY DISCRETE JFET D I Channels 1 2 High stability low noise internal SMPS i Td measured to line outputs insert send Fanless quiet operation 7 Works anywhere in the world without reconfiguring 33 Td D I GAIN 10 to 60 dB 10dB Pad n MAXIMUM INPUT LEVEL 16dBu typical 22dBu LINE VOLTAGES 90 to 264V a c INPUT IMPEDANCE 1MegQ Unbalanced INTERNAL RAILS 18VDC 48VDC amp 5VDC FREQUENCY RESPONSE 0 5dB 10 2 to 501 2 FUSE 11A 1Amp Time Delay THD N OdBu 1kHz lt 0 03 70dBu CONSUMPTION Maximum 40 Watts t Ty SNR 89dB dB 60 25 GAIN 1 4 JACK TIP Hot amp SLEEVE Shield vez WEIGHT 4
9. equivalent input noise of 127 5 dB The frontend has high input headroom and will be happy to accept any level from your microphone collection however for situations where you reach very hot signal levels such as drum recording a switchable 1QdB pad is included on channels 1 amp 2 to provide a 10 to 50018 padded gain range Microphone inputs are provided on the rear panel using Combi XLR connectors here the 1 4 Combi Jack connector provides a padded balanced line input input impedance lt 1 OkQ directly into the mic pre stage These Combi Jack line inputs run through the mic preamp providing a slightly sweeter tone due to the 2nd and 3rd harmonic distortion in the mic pre and have access to all input conditioning functions apart from phantom power Please be aware that the input impedance switch functions as a variable pad for any line input signal a secondary benefit HIGH PASS 25 258Hz lr MIC PRE GAIN 6 TO 54 cB SYSTEM GAIN TO 6068 Discrete JFET D I Instrument Inputs 5 880 features two discrete class a JFET D I inputs Channels 1 amp 2 Plugging into these jacks will automatically select the signal over the signals present at tha rear Why JFET Junction Field Effect Transistors are known for their sweet tone and tube like properties when overdriven You will often find JFETs used in guitar pedals and such for this very reason They sound good and can pr
10. ATUS TO RAIN OR MOISTURE NO USER SERVICEABLE PARTS INSIDE PLEASE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL Important Safety Instructions NGO oR W lf gt 10 11 12 13 14 15 Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this equipment near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s Instructions Do not install near any heat sources such as radiators heat registers stoves or other equipment including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect power cords from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the equipment Only use attachments accessories specified by the manufacturer For products that are not rack mountable Use only with a cart stand tripod bracket or table specified by the manufacturer or sold with the equipment When a cart Is used use caution when moving the cart equipment combination to avoid injury from tip over U
11. David Dearden and is the same tried amp e Variable input impedance providing a Direct ADC Access amp Inserts 19 tested topology as featured in our consoles triangle of tone Lo med and hi settings AES Output 16 and recording interfaces iD22 4 allow you to voice your mic collection at ADAT SMUX Output 16 ASP48 16 the flip of a switch me 5 880 Block Diagram 19 However we did not stop there 0 7 e Super smooth 12dB octave sweepable Troubleshooting 20 after months of refinement and an entirely high pass filter 25 to 250HZ to clean new PSU design we have been able to lower up low end rumble and mess the noise floor in the unit and have reduced FAQ 21 the 50Hz mains component to vanishingly New A D insert switch provides line low levels and the unit is completely silent level direct access to converters for Specifications 99 fanless operation impressive integrating outboard processing between the mic pres and ADC S On top of this we have used the cutting edge Dimensions ed ge top of the line Burr Brown converters from e Integrated Burr Brown 115dB ADC with re our iD22 interface to heavily upgrade the AES and SMUX ADAT outputs Warranty amp Contact 24 y digital card which now comes as standard e Integrated fanless low noise PSU with E The unit is built like a tank and now features lobal ration e ca 83 global operatio our custom solid aluminium control knobs a which
12. ase create i E 3 5 experiencing clicks amp pops a ticket in our online Support system do n 9 q Zendesk which can also be found in the v l 7 7 a p 5 Double check that you have set the clock Support section of our website H a i se ae I S source to external by using the front see link above 3 9 anel SAMPLE RATE switch press it until E 0 d a EEE it is flashing green This selects external Audient ent Help Desk 0 o 5 nat EE 00 clock mode home knowledge base submit a request check your existing requests 5 o m 7 7 lt Submit a request B rite From here double check your master clock a 8 H it 7 2 o 8 source and ensure It is connected via a H 32 H H ais ee 750 BNC coaxial cable to the ASP880 BNC EE SE E H 8 8 2 5 2 wordclock input 3 j Z y I 7 gt 7 T sigue EF To help us quickly identify your unit please enter the serial number It can be found on the back of most units or the 1 5 R 9 AS SBF Providing that you have a valid clock source f ASP880 should sync to it without issue and a ye the SAMPLE RATE led in the switch will turn 6 2 PI the details of t A member of rt staff will respond possible EES EY ease enter the det your request A me
13. bed In this manual Audient Ltd Aspect House Herriard Hampshire RG25 2PN Tel 0044 1256 381944 United Kingdom www audient com 23 Warranty Service Service Information ASP880 contains no user serviceable components please refer to qualified service personnel for diagnosis and repair Your warranty will be void if you tamper with the device at component level If you have any questions with regard to the repair please contact Audient Ltd In the event your ASP880 needs to be repaired it is necessary to contact Audient Ltd prior to shipping and a Return Materials Authorization RMA number will be assigned This number will serve as a reference for you and helps facilitate and expedite the return process When the unit is returned please include this RMA number along with a description of the fault inside the packaging box Audient requires that shipments be pre paid for in warranty repairs we will cover the return shipping To request an RMA access technical support amp FAQs ask for troubleshooting assistance or make an enquiry please visit www audient com support audient Audient Help Desk home knowledge base Welcome to Audient Help Desk Customer Service Thanks for visiting the Audient Help Desk We ll be adding to the Knowledge Base regularly with useful hints trouble shooting guides and FAQs You can also submit a request or send us an email at support audient zendesk com Knowledge Base Audi
14. ch 4 and adjusting the frequency control 5 12 audent Hardware Features Variable Input Impedance One stand out feature of the ASP880 is the variable input impedance Z control There are three impedance load settings on the unit and these can be used to extract various voicings from your mic collection by loading the mic s output stage differently Notably mics with transformer outputs such as 51 50 dynamic mics or Coles 4038 ribbon microphones often provide quite noticeable changes In tone when operated Into various loads The three settings on 5 890 are Take the dynamic output impedance of an SMD 7 for example illustration only Ok Q i 37 J 0 Hz The source microphone and load mic pre amplifier form a bridging voltage divider that contain different values of resistance for the source at different frequencies thus creating a varying frequency response or different output levels for each part of the SMD 7 impedance curve and thus a change In tone can be perceived fl 7 A j i w V 1 gt irs m INL i VIIIN IN OUT GND Typically there is some change tn level timbre punch and tone when changing Z Ribbon mics are known for liking HI Z inputs 20 LOAD 3600 Q LOAD 1400 Variable Input Impedance Listening When listening this diagram may come in helpful
15. ent Help Desk Audient Support and Service Policy 24 audent HV 2 I O JFET LED Ohm ROHS S PDIF SMUX THD N TRS IS USB V XLR Z Glossary Amperes Alesis Digital Audio Tape Analogue to Digital Converter Audio Engineering Society AES Digital Audio Format Analogue Signal Processing Digital Audio Workstation Digital to Analogue Converter Decibel Decibel referenced to 0 775Vrms dBu Decibel Full Scale 9 Pin DSUB Connector Digital AES Format 25 1 DSUB Connector Analogue Tascam Format Direct Current Direct Injection Instrument Input Declaration of Conformity Equivalent Input Noise Frequently Asked Questions High Pass Filter High Voltage Hertz cycles per second measurement unit of frequency Input Output Junction Field Effect Transistor Light Emitting Diode O Unit of Resistance Restriction of Hazardous Substances sony Philips Digital Interconnect Format sample Multiplexing Total Harmonic Distortion Noise Tip Ring Sleeve 1 4 Jack Balanced Tip Sleeve 1 4 Jack Unbalanced Universal Serial Bus Volts Extra Live Return Extremely Low Resistance Canon X Series Latching Resilient Rubber Compound or make up your own Ohms Q Input Impedance can be varied by adjusting Z switch audient USER MANUAL v1 0 connect with us IOI facebook com audient twitter com audientworld youtube com audienthampshire February 2014 www audient com
16. feel great and provide excellent visual Glossary 26 feedback 5 880 will last for years to come Features include Introduction ASP880 Overview a audent Box Contents In your 5 880 packaging you should find the following items e ASP880 e Mains IEC Cable in rear protection tube e Quick Start Guide Please visit www audient com products asp880 downloads to get the latest version of the quick start guide and this manual Watch listen to our example video content and grab useful things like a session recall sheet etc SESSION ARTIST audent m DATE The integrated power supply in ASP880 will accept line voltages from 90 264V and can operate anywhere in the world without re configuration just use the appropriate mains IEC cable We hope that you enjoy using 0 wherever you are and may It aid you In making great sounding music audent ASP880 Overview ADC DIRECT ACCESS INSERT SIGNAL PEAK METERS 10dB PAD POLARITY REVERSE Insert analogue gear between mic pre and ADC 18050 OdBFs Clip Indicators b hing is in ph Preserve your headroom 7 ENA E SP ei PEAK 2dBFS SAMPLE RATE INDICATORS 48 PHANTOM POWER on kick amp snare drums i SIG 28dBFS Sample rate switch green when using g external clock source tog
17. gle through internal at 4 sample rates and then external sync Stable regulated supply for your mics AD PR ABY pD IEL E POWER ON INDICATOR SOLID ALUMINIUM KNOBS SWEEPABLE HPF TIP roll them smoothly between 600186 of CLASS A GAIN Bypassable smooth 12dB oct variable your fingers for easy operation VARIABLE INPUT IMPEDANCE Clean quiet amp punchy from 25 to 250Hz clean up rumble and mud DISCRETE JFET D I INPUT Triangle of tone for your mics Sounds fantastic on guitars amp basses 200 1400 or 3600 Q DB25 ADC INPUTS DB25 ANALOGUE OUTPUTS Line level input direct to ADC to use as BNC WORDCLOCK INPUT Use to feed the mic preamps into standalone A D converter or return XLR MIC TRS LINE INPUTS MAINS SAFETY FUSE Hi Z or 75Q Termination outboard for processing 9 outboard here to form an insert point Line inputs are available on combi jacks 11A Time Delay available on rear panel switch pressing the front panel A D switch padded into the mic pre and have access replace with same type to all input functions except P48 _ ADAT Our 1 8 48k feos 8 SEND ADC INPUTS 1 8 RETURN 5 8 AO S 7 4 SMUX 96 J 4 MAINS IEC INPUT 90 264Va c Operation AES or S PDIF OUTPUT anywhere in the world 9 Pin DSUB format selected ADAT SMUX OUTPUT with rear panel push switch Top port 8 channels lt 48kHz Both p
18. if trying to train your ear to hear the differences Listen for the following 1 Change in Level 2 Change in Speed Transient Response 3 Change in Tone Frequency Response 4 Change in Detail Please be aware that some microphone types transformerless condensor types may not produce audible changes due to their electronically buffered output stages which have linear output impedances with regards to frequency and therefore are less susceptible to changes in loading If in doubt consult your microphone datasheet amp manufacturer DETAILED 14 audent Hardware Features Analogue Line Outputs 5 80 features 8 analogue cross coupled line driver outputs on DB25 These fully balanced outputs use the same circuitry as our proven ASP8024 flagship console and provide transformer like differential line drive and high headroom with a sturdy transparent pair of operational amplfiiers Use these outputs to use 5 880 as a standalone eight channel analogue mic pre These outputs are wired as Tascam 5 standard with 100Q output impedance and 27 5dBu maximum level AD Converter Direct Access Inserts ADC balanced line inputs are available on a rear panel 0525 connector also Tascam format You can use these to directly access the AD converter with 16dBu input headroom QdBFS 18dBu for line level signals allowing you to feed the ADC from other sources such as alternative mic pres etc Howe
19. internal pristine 115dB ADC converters to produce a digital output for recording via AES or ADAT digital output In this case the 5 08980 has a digital line up reference of 11 805 OdBFs full scale therefore the analogue circuitry will have anywhere from 4 to 9 5dB headroom above digital maximum dont worry about It As a target guide we would recommend that you turn up the 50 880 gain pots to produce a 10dBFS peak signal level in your DAW when recording This will maintain plenty of headroom and things often sound better in the DAW if you record with lots of headroom To do this adjust the gain knob 0 whilst observing the metering In your interface or DAW application Aim for 1 OdBFS W i peaks on the loudest Sections r x r x e sga E See E M ww Fu 7 Lith 1 ASP880 Ch1 f The hardware metering on the ASP880 will show signal present 381 28085 1 OdBu and will warn of potential overloads at 2dBFS 16dBu however you should rely upon 6 recording destination for accurate metering 11 en setti etting gain amp recording levels in the DAW Input Conditioning In order to correctly condition input signals 5 880 provides the following functions e P48 Phantom Power e 10dB Pad channels 1 amp 2 e Polarity Reverse e Sweepable High Pass Filter P46 Phantom Power Phantom power can be supplied on a per channel basis by pressing the P48 switch
20. mi our support staff will res as soon as gt ae t Sate to solid illumination This shows that the unit 8 3 310 s Aig Bo is locked If you experience pops amp clicks Please consult the warranty statement on 5 IO 5 eR ay 3 l eee g H double check any master slave device page 23 for further information regarding 2 I oms0e configurations and cabling A system should service requirements and our policies only have one master clock Ta OO i Specifications audient Dimensions Line input level at the combi jacks will be affected by the input impedance switch position this can be used as a second pad control to adjust line input ranges on all channels WUWLCe Pn be sana gt oe aU i a 3 G E w 7 s gt o zo 9 S do o 2 o f ae ae ae EDF ET SL AE MICROPHONE PREAMBPLIFIERS 3 Ty measured to Insert send ADC LINE INPUTS Insert Returns i eT 10 to 60dB L10dB Pad measured at AES output under AES 1 7 iE LINE GAIN 16 to 4408 10dB Pad 2 1 3 jan e 8 72 DIGITAL REFERENCE LEVEL OdBFS 1808 i J eee eae aco 0 7 INPUT IMPEDANCE gt 10kQ Balanced s MAXIMUM INPUT LEVEL 22dBu 32dBu with Pad Ps a pena i i TI e E 20 THD N 1dBFS 1kHz lt 0 002 94dB oa an Ge es f
21. nplug this equipment during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the equipment has been damaged in any way Such as power supply cord or plug 5 damaged liquid has been spilled or objects have fallen into the equipment the equipment has been exposed to rain or moisture does not operate normally or has been dropped For products that are a mains powered device The equipment shall not be exposed to dripping or splashing and no objects filled with liquids such as vases shall be placed on the equipment audient Declaration of Conformities We Audient Ltd declare that the product the iD22 to which this declaration relates is in material conformity with the appropriate CE standards and directives for an audio product designed for consumer use ES Audient Ltd has conformed where applicable to the European Union s Directive Ti Bi d pre ea i 1 20027 95 on Restrictions of Hazardous Substances RoHS as well as the w fept fiw following sections of California law which refer to RoHS namely sections 25214 10 20214 10 2 and 58012 Health and Safety Code Section 42475 2 Public Resources audent Microphone Preamplifiers amp Line Inputs 5 880 features eight impeccably optimised class a micprohone preamplifiers Featuring a discrete 6 transistor front end the mic pre is optimised for O to 60dB gain with an EIN
22. orts 4 channels split gt 46kHz audent safety Information Safety Instructions Important Safety Instructions Please read all of these instructions and save them for later reference before connecting the mains IEC power cable and powering up 5 880 To prevent electrical shock and fire hazard follow all instructions on the rear of the 0 h CAUTION ATTENTION OEK Re one DO NOT OPEN THIS EOUIPMENT MUST BE EARTHED DO NOT EXPOSE TO RAIN OR MOISTURE 58880 does not contain any user serviceable parts inside the internal power supply and In the event of a power supply failure please contact audient support so that we can arrange suitable service www audient com support A 1RU ventilation space above the unit is recommended and It is not advised to run the unit In a rack above hot units such as valve outboard and multichannel AD DA converters without suitable ventilation space around the unit The internal switch mode power supply design will accept any A C line voltage from 90v to 264 47 63Hz Therefore the unit will work happily anywhere in the world but please ensure your A C mains line voltage Is within this specification and you use an appropriate cable for the region Consult a qualified technician if you suspect difficulties Do not attempt to tamper with the power supply or mains voltages HAZARDOUS TO HEALTH WARNING TO REDUCE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPAR
23. ovide just a touch of sweetness and larger than life tone JFETs also have a very high input impedance often approx 10 QO and this makes them ideal for buffer circuits that do not load down the source device In the case of electric guitars or basses with vintage style passive pickups the output impedance of the instrument can often be 6 000 to 40 0000 depending upon volume and tone pot positions Typically we should provide a load that is 10 times the source to create a true bridging system Therefore we need at least a 400kO load to get the most signal and tone from our instruments It should then come as no surprise that most classic valve guitar amplifiers have a very high input impedance 1MegQ Hardware Features We designed the JFET input on 0 to have a 1MegQ input impedance and thus match the loading effect found on classic guitar amplifiers This ensures you get the most tone from your instrument and when pushed the JFET circuit will provide plenty of 2nd and 3rd harmonic distortion minimum 0 03 to lots ensuring that your instrument has a rich sound andsomecolour 10 audent Hardware Features setting Levels amp Gain 5 8880 has plenty of analogue headroom running internally on 18V DC rails The unit can deliver up to 27 5dBu at the analogue output 25 on the rear of the unit However it would be typical in modern digital recording situations that 5 880 is using our own
24. ver this also provides a path In which you can insert processing outboard such as EQ amp compression between the mic pres and ADC usefull To activate the direct AD access press the front panel A D switch on each channel 3 LINE suTPUTS 1 8 SEND pe OG pO GU 13 Digital Outputs AES S PDIF The on board digital card in 0 can provide both double speed 96kHz AES and ADAT output signals The AES output is available on a 9 pin DSUB connector and is fully transformer balanced according the AES specification The 9 DBS connector provides eight channels of balanced AES digital output and the wiring pinout is as shown to the right Pressing the AES S PDIF switch 1 will switch the DBS output stage into consumer format lower signal amplitude etc for 5 PDIF operation In most cases you will likely be using the AES professional output so this switch can remain in the out position until required Digital Outputs ADAT SMUX The digital card also provides simultaneous ADAT optical output on the rear of the unit with full SMUX double speed capability For lt 48kHz operation a single optical cable should be connected from the top 1 4 ADAT port This will provide 6 channels 48kHz For gt 48kHz operation two optical cables should be used with four channels carried on each for full Sch 98kHz operation e S DAT OUTAGE o cle os
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