Audient ASP2802 Operating Manual

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OPERATING

MANUAL

Version: 1.00

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Summary of ASP2802

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Operating manual version: 1.00
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Page -2- © audient ltd welcome to asp2802.................................................. Page 4 installation................................................................... Page 5 unpacking, safety & mains (fuse information) 6 service, repair & ventilation 7 rack space 8 optional rack ear kit ...
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Page -3- © audient ltd connections................................................................. Page 74 db25 wiring 76 patchbay layout.......................................................... Page 82 patchbay wiring 83 daw ethernet connection (mac)................................. Page 84 manua...
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Page -4- © audient ltd welcome to asp2802 thank you for selecting this audient product. We hope that your new asp2802 console will provide an intuitive, ergonomic and flexible analogue recording and mixing platform in a powerful yet small package. We are sure that asp2802 will deliver a wealth of ro...
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Page -6- © audient ltd installation unpacking your asp2802 console has been carefully and meticulously tested and inspected before dispatch. Please check for any signs of transit damage. If any signs of mishandling are found please notify the carrier and inform your dealer immediately. Your 2802 pac...
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Page -7- © audient ltd installation service and repair the console uses a complex internal pcb sandwich arrangement making field service only possible by a qualified technician. If any technical issues do arise with your console, please contact your dealer as soon as possible to arrange for technica...
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Page -8- © audient ltd installation rack mounted ventilation the console can also be rack mounted with the rack ear kit and will occupy 13ru plus connector space (suggest 15ru total) - please ensure that these ventilation holes are not restricted. A vented 19” blanking plate is recommended to cover ...
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Page -10- © audient ltd installation asp2802 dimensions (including rubber feet) height front - 60 mm height rear - 170 mm width - 450 mm depth - 550 mm height (depth) when racked 13ru plus connector space 15ru asp2802 specifications some general performance figures from the console - taken with pris...
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Page -11- © audient ltd asp2802 has many features including 8 channels of class-a hybrid discrete microphone preamplifier as used in our time honoured asp8024 console and asp008 8-channel microphone preamplifier, guaranteeing outstanding sonic transparency and detail. When combined with useful led b...
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Page -12- © audient ltd • 8 class-a hybrid discrete microphone preamplifers • 8 balanced line inputs • 8 balanced daw inputs • 8 balanced assignable direct outputs • input conditioning functions such as 48v phantom power, polarity reverse and a 75hz high pass filter • balanced, switchable inserts on...
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Channel strip overview.
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Page -16- © audient ltd asp2802 features 8 high quality, flexible channel strips with a multitude of routing options. The channel strips are located on the left side of the console and the ergonomic, inclined profile (approx. 12 o ) of asp2802 ensures all controls are clearly visible and within arms...
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Page -17- © audient ltd channel strip the three input stages and basic signal flow of the asp2802 input conditioning stage is illustrated below: the mic/line path normally feeds the main channel path, this path features the configurable direct output and as such is the default recording path. In typ...
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Page -19- © audient ltd peak reading bargraph meter a 10-segment led bargraph meter with peak detection and a separate overload indication led, suitable for use in today’s modern digital recording environment. 6 db per segment in the lower region of the meter (-36 to -18 db) and 4 db per segment in ...
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Page -20- © audient ltd channel strip channel meter global select - (mtr) this switch is located in the centre section of the console below the main mix and compression gain reduction metering. This globally alters the source to the peak reading bargraph meter at the top of each channel strip. Note ...
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Page -21- © audient ltd channel strip 48v phantom power engaging this switch provides 48 volt d.C (direct current) phantom power to the microphone input. Phantom power is applied via a pair of current limiting resistors to xlr pin 2 (hot +ve) and xlr pin 3 (cold -ve). Asp2802 phantom power meets the...
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Page -22- © audient ltd channel strip with a minimum gain of 6 db and the option of taking a post- fader direct output, asp2802 is capable of dealing with even the most aggressive of tracking sessions, ensuring headroom and clarity with total freedom from clipping your recording device. The configur...
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Page -23- © audient ltd considering that many listeners use systems that can barely reproduce 60-70 hz accurately - a well placed hpf on certain sources can clean up mix elements that contain subsonic energy, such as microphone stand rumble, traffic noise, or some plosive material without overly aff...
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Page -24- © audient ltd post fader is the most appropriate mode to use for the following tasks: • riding levels to “tape” or “disk” when tracking (especially when microphone levels are hot • processing line level signals via the insert and “printing back” the effected sound to “tape” or “disk” with ...
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Page -25- © audient ltd channel strip direct output routing cont. The pre fader mode is useful when you want to take a pre fader record output with the addition of extra gain from the trim section and perhaps some processing (dynamics perhaps) on the insert. Pre fader routing may be the most useful ...
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Page -26- © audient ltd channel strip direct output routing cont. The signal path when in channel mode is as follows: using channel mode it is possible to combine it with the ch/daw flip switch (8) to create a “pseudo in-line” architecture. When operating in “ psuedo in-line ” mode you can effective...
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Page -27- © audient ltd direct output routing cont. By pressing the daw switch (8) down, the main channel path (equivalent of the long fader) is fed by the daw line input. This would allow you to monitor the recorded signal from your workstation or tape machine, making simple record and playback (be...
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Page -28- © audient ltd channel strip psuedo in-line architecture a note on building monitor mixes instead of building monitor mixes the traditional way using the console auxiliaries, consider building your rough / monitor mix in the daw utilising the asp2802 hui tm control surface functionality. Br...
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Page -29- © audient ltd channel strip daw input / channel flip this function flips the sources to both the main channel path and the cue section alternative input. When the switch is in the up position, the mic / line input feeds the main channel path, while the daw line input feeds the cue section ...
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Page -30- © audient ltd channel trim control the potentiometer provides a trim range of +/-15 db and depending upon your direct output routing, can be used as an extra gain boost added to the microphone preamplifier when tracking. This is useful for low output microphones such as ribbon transducer d...
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Page -31- © audient ltd channel strip active insert send & parallel processing techniques please bear in mind that the insert send is always active - the switch only engages the return path. Thus it is possible to “mult” signals from the insert send to set up parallel compression or feed other exter...
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Page -32- © audient ltd channel strip cue pan the cue section pan control can be used to position sources into the stereo field of either the cue bus or the main mix bus depending upon the state of the global ‘assign to mix cue’ button found above the master fader. The pan control provides a smooth ...
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Page -33- © audient ltd channel strip cue level the cue level control can be used as the send level to the cue bus - or can be used as a “2 nd ” line input channel fader when the alternative input function (14) is used. Cue alternative input select engaging this switch expands asp2802 with another 8...
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Page -34- © audient ltd aux level controls aux 1 and aux 2 level potentiometers are used to control the individual send level to each mono auxiliary bus. Aux sends pre / post fader assign - *note globally switched asp2802 features two aux send controls - which feed two aux buses (aux 1 & aux 2). The...
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Page -35- © audient ltd channel strip monitoring of aux and cue buses - a helpful note when tracking it is often faster and more useful to build a monitor mix for musician foldback on your control room monitors. For this reason it is useful to be able to solo or listen exclusively to the balance bei...
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Page -36- © audient ltd channel strip channel fader & control each of the 8 main channels on asp2802 uses a high-quality alps 100mm linear fader which serves two purposes. This fader is not in the audio path of the console but rather acts as a control fader, sending d.C. Control voltage changes that...
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Page -37- © audient ltd channel strip channel fader modes the microprocesser responds to mute / solo-in-place commands, fader position and midi automation control data. There are also several other useful functions associated with the control of the fader that are provided to make sure the user find...
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Page -38- © audient ltd channel strip select switch & select modes cont. There are seven select modes available on asp2802 (see below), of these seven, three are used in the analogue layer: solo-in-place safe - used in the analogue layer for isolating channels that you do not want muted when using s...
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Page -39- © audient ltd channel strip cut & solo controls each channel features large illuminated cut and solo switches above the fader. These cut and solo switches provide control functionality in both the analogue and the daw layer so be aware of which layer you are controlling by observing the st...
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Page -40- © audient ltd channel strip channel solo the solo switch on each channel places the channel into solo - either afl or pfl (after fade or pre fade listen) or solo-in-place depending upon master section settings. For more information concerning these solo modes, please see the section in thi...
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Summing input & fx returns.
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Page -42- © audient ltd summing input instead of providing just the common stereo effects returns for processing devices such as reverbs and delays to join the mix, asp2808 features a novel 8-channel summing input as well as a pair of stereo fx returns. This summing input is fed from a rear panel db...
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Page -43- © audient ltd summing input although the 8 channels are summed as four pairs - provision is made to mono the output of the summing input mix bus before it reaches the main asp2802 mix bus, therefore providing a further 8 mono inputs upon mixdown. This summing input would be very useful in ...
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Page -44- © audient ltd stereo fx returns alongside the summing input, there are a further two stereo fx returns, providing a total of 12 inputs in this section of the console. These are fed from rear panel 1/4” trs balanced jack connections and are most likely to be used when feeding mono in / ster...
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Aux & cue masters.
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Page -46- © audient ltd aux masters asp2802 has two aux buses and a simple set of controls are provided for the master output of these buses. The two aux masters feature a level control - useful for that final trim of output level, especially if reducing overload in some vintage digital reverb proce...
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Page -47- © audient ltd monitoring aux buses the aux buses feed the monitor source selection panel in both the cue and control room monitor sections. Therefore headphone mixes can be created via aux sends 1 & 2 and can be sent to performers directly via the cue source selections. They can also be mo...
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Page -48- © audient ltd cue master cont. There are two external stereo inputs - daw mix and daw fb (foldback). These two stereo inputs (found as rear panel line level xlr inputs) are intended to be used to monitor either the mix output of your daw or a separate stereo foldback mix from your daw. Thi...
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Page -49- © audient ltd monitoring the cue bus the rear panel xlr male balanced cue outputs of the console are fed from whichever sources are selected in the cue panel. In order for the cue sends of each channel to reach the cue outputs, and therefore your performers headphone distribution system, y...
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Monitor section.
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Page -52- © audient ltd the monitor section of asp2802 provides comprehensive control room monitoring options. The circuitry is mostly passive with only one buffer stage before the balanced loudspeaker outputs - thus providing you with a tonally neutral and accurate monitor path. There are a number ...
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Page -53- © audient ltd monitor section i-jack level control & i jack input a stereo level control for the i-jack input. Note that this is a stereo unbalanced input with approximately 10k ohms input impedance. Monitor mix / src select the monitor source switch configures the monitor path to listen t...
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Page -54- © audient ltd monitor section monitor calibration cont. C-weighting is the most wideband weighting filter and most similar to the human ear at 85 db spl . Place the microphone in the listening position and adjust the monitor level pot until you read 85 db spl from each loudspeaker. By retu...
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Page -55- © audient ltd monitor section cut l and cut r individual left and right output mutes can be engaged here - perfect for checking mono sum on a single speaker. This is often the most accurate method as it minimises the acoustic interaction from two (likely non-perfectly matched) loudspeaker ...
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Page -56- © audient ltd monitor section headphone output there is a high quality stereo headphone output available on asp2802. The level control (20) is located on the front panel in the monitor section and you will find plenty of level available here for driving most studio headphones to sufficient...
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Page -57- © audient ltd monitor section the master section of asp2802 also contains all communication functions for use during tracking and overdubs. Talkback an integrated talkback microphone can be found in the master section above the power indicators and to the right of the main mix bus metering...
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Page -58- © audient ltd monitor section solo functionality asp2802 has four modes of solo which can be globally set from the master section of the console. When a channel is placed into solo, the solo indicator will light in the master section. Afl - after fade listen this mode is the default settin...
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Page -59- © audient ltd monitor section solo bus level trim the solo bus level trim provides a +/-10 db trim range to enable you to control any level drops or jumps that may occur when shifting back and forth between full mix and soloed channels. Sif - solo in front this mode is very useful as it al...
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Vca bus compressor.
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Page -61- © audient ltd bus compressor asp2802 features an integrated high class, patchable vca bus compressor . It is located in the master section of the console on the right hand side underneath the monitor section. An adaptation of the compressor featured in the asp8024 large format console, thi...
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Page -63- © audient ltd bus compressor gain reduction meter a 10-segment led bargraph meter indicating the amount of gain reduction. Due to the scale of the meter, sometimes you will only want the first few leds flickering to keep compression to musical levels on the mix bus. The scale on the gain r...
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Page -64- © audient ltd bus compressor attack time specified in milliseconds (ms) - this is the time taken for the compressor sidechain to react to the input signal above the threshold and trigger gain reduction (compression). Attack times can be set to: • 0.1 ms • 0.3 ms • 1 ms • 3 ms • 10 ms • 30 ...
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Page -65- © audient ltd bus compressor release time specified in seconds (s) - this is the time taken for the compressor sidechain to release from gain reduction once the input signal has passed below the threshold. Release times can be set to: • 0.1 sec (100 ms) • 0.3 sec (300 ms) • 0.6 sec (600 ms...
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Page -66- © audient ltd bus compressor compression threshold the threshold control is specified in db and sets the point at which compression begins. There is a range of +/-20 db on this control. This compressor has a relatively smooth knee but the threshold point is similar for each ratio, making i...
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Page -67- © audient ltd bus compressor wet / dry parallel compression cont. The other school of thought involves setting up some rather aggressive compression (faster attack times and high ratios) and running the dry balance quite high so the smaller amount of compressed signal adds energy and dynam...
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Page -68- © audient ltd bus compressor external connections the compressor can be fed from mono sources if so desired, just connect into the left input and output. Please see the next page of this manual for some example settings, but remember - your ears are the best monitors!.
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Main mix overview.
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Page -71- © audient ltd the main mix bus and all signal combining stages on asp2802 are optimised for clean summing with high headroom. Mix bus metering to gauge this headroom, large 20-segment led peak meters calibrated to ovu = +4 dbu = -14 dbfs are provided on the main mix path output. These mete...
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Page -72- © audient ltd mix insert parallel mode cont. The following part of the block diagram illustrates how this parallel sum mode is achieved at the main mix insert point. Input expansion - cheating the 2802 to become 3202! This console features 8 main channel inputs plus an ability to use the c...
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Page -73- © audient ltd main mix fader the main mix fader on asp2802 is a non automated, fully passive, high quality alps 100mm stereo linear fader. There is no gain in hand and the fader is very suitable for fade in and fade out use during final mix printback. Feel your fade outs, stop drawing them...
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Connections overview.
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Page -75- © audient ltd asp2802 features a plethora of connections on the rear panel - as highlighted during the introduction of this manual. All xlr balanced input and outputs are wired as pin 1 (shield - chassis / shield ground), pin 2 (hot +ve) and pin 3 (cold -ve). Channel strip inputs and outpu...
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Page -76- © audient ltd connections the direct outputs have a balanced output impedance of ohms and a maximum output level of +27 dbu. Db25 tascam da-88 wiring specification there are 3 db25 connectors located on the rear of asp2802. • daw inputs 1-8 • direct outputs 1-8 • summing inputs (1-8) the w...
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Page -78- © audient ltd connections master section connections (top left to right) asp2802 connects to your daw via ip based networking protocols, and as such the first connector of interest in the master section is a standard rj-45 cat-5e ethernet port, which provides bi-directional high speed comm...
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Page -79- © audient ltd connections master section connections (top left to right) cont. The external talkback microphone input is a balanced female xlr connector with >5k ohms input impedance and a maximum input level of +7 dbu. Please note 48v phantom power can be provided to this input to incorpo...
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Page -80- © audient ltd connections total number of connections to provide a starting point for patchbay integration and cable purchasing, you may find the following table of information helpful. Connection amount type microphone input 8 xlr female line input 8 1/4” trs jack channel insert send 8 1/...
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Patchbay layout.
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Page -83- © audient ltd patchbay layout patchbay wiring in the example provided on the previous page, two 96-point bantam patchbays are used, with plenty of spare points left over. It also featured a 16 channel daw interface that provided 16 outputs for mixdown using the summing input and 8 main cha...
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Page -84- © audient ltd daw ethernet connection (mac) you can use standard cat-5e ethernet cable to connect asp2802 to your studio daw computer. The interface in asp2802 is compatible whether you use a straight through or cross-over cable. Please ensure that you have downloaded and installed the lat...
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Page -85- © audient ltd networking (mac) once you have connected asp2802 to your studio computer via either a direct ethernet link or through a router and installed aunet you are ready to set up the networking side of the console. Ip address setup for direct connection unless you have a router in yo...
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Page -86- © audient ltd networking (mac) moving across to asp2802, power up the console and once booted, press the setup button. The oled displays will show the first page of console setup. First set the application you are using with asp2802. The options at the time of release include: • apple logi...
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Page -87- © audient ltd networking (mac) subnet mask set to 255.255.255.0: port set to 1212: press the setup key to exit setup and your setting will be saved. Now power down the console and restart your apple computer. Once booted, ensure that the aunet application is running and open on your daw ma...
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Page -88- © audient ltd networking (mac) your console should now be connected to your studio daw computer and ready for configuration as a hui tm control surface and analogue automation platform. Setting up the console with dhcp (for use with routers) if you have more than one device connected to yo...
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Page -89- © audient ltd daw ethernet connection (pc) you can use standard cat-5e ethernet cable to connect asp2802 to your studio daw computer. The interface in asp2802 is compatible whether you use a straight through or cross-over cable. Please ensure that you have downloaded and installed the late...
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Page -90- © audient ltd networking (pc) once you have connected asp2802 to your studio computer via either a direct ethernet link or through a router and installed aunet you are ready to set up the networking side of the console. Until your console is connected (or any other lan device to your pc), ...
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Page -91- © audient ltd networking (pc) in the local area connections properties dialogue window scroll down and select internet protocol tcp/ip and then open the properties dialogue box with the button to the right. Here select the ‘ use the following ip address ’ radio button. Set the ip address o...
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Page -92- © audient ltd networking (pc) moving across to asp2802, press the setup button. The oled displays will show the first page of console setup. First set the application you are using with asp2802. The options for pc at the time of release include: • avid pro tools 8 • steinberg cubase 5 (nue...
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Page -93- © audient ltd networking (pc) subnet mask set to 255.255.255.0: port set to 1212: press the setup key to exit setup and your setting will be saved. Now power down the console and restart your pc. Once booted, ensure that the aunet application is running and open on your daw machine. Finall...
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Page -94- © audient ltd networking (pc) your console should now be connected to your studio daw computer and ready for configuration as a hui tm control surface and analogue automation platform. If you need to exit the aunet program it will still run in the systray until you manually quit by right c...
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Page -95- © audient ltd networking (pc) you will most likely be running dhcp with automatic ip hand out. Ensure that the console is set to use dhcp on the second page of the setup menu, once set reboot the console and follow the same aunet connection procedure as outlined previously once the console...
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Fader automation.
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Page -97- © audient ltd automation overview of functions the diagram below provides an overview of the automation system and the parameters that can be controlled. Asp2802 provides fader and mute automation along side its full daw control surface layer. The sections of most interest when using the c...
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Page -98- © audient ltd automation a note on automation safe automation safe should be used when you want to isolate a particular channel from automation - for example - to audition rides without “fighting” existing automation data or without “printing” the rides if channels are still in write enabl...
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Control surface overview.
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Page -100- © audient ltd control surface panel control surface operation please refer to the separate daw specific control surface manuals found online at www.Audient.Com to guide you through the finer points of operation within each daw platform..
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Example systems.
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Page -102- © audient ltd example systems example system 1 - 8 channel daw platform the first example system shown on the next page illustrates a basic system with a typical 8-in and 8-out soundcard / interface as commonly available. In this example there are 8 microphone channels, some basic outboar...
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Page -103- © audient ltd example systems example system 3 cont. If you wish to work it another way, an all analogue, zero-latency monitor mix could be formed by feeding the analogue output of asp008 (or whatever standalone preamplifiers you are using) into the db25 daw input connection. Using the al...
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Panel visualisations.
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Page -112- © audient ltd warranty your asp2802 comes with a manufacturer’s warranty for one year from the date of dispatch to the end user. The warranty covers faults due to defective materials used in manufacture and faulty workmanship only. During this warranty period audient will repair, or at it...
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Www.Audient.Com audient ltd 1 stable court herriard park herriard hampshire rg25 2pl uk phone: +44 (0) 1256 381944 fax: +44 (0) 1256 381906.