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Focusrite Clarett 8PreX, User Manual

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Focusrite Clarett 8PreX User Manual Download Page 14

14

3. .Using .the .optical .connections .to .provide .additional .inputs

In .addition .to .the .eight .analogue .inputs, .the .Clarett .8PreX .has .two .ADAT .input .ports .(OPTICAL IN) .

which .can .each .provide .an .additional .8 .audio .inputs .at .44.1/48 .kHz .sample .rate, .four .at .88.2/96 .kHz .

or .two .at .176.4/192 .kHz. .Using .one .or .two .8-channel .microphone .preamplifiers .equipped .with .ADAT .

outputs .– .such .as .a .pair .of .Focusrite .OctoPre .MkIIs .– .provides .a .simple .and .excellent .method .of .

expanding .the .Clarett .8PreX’s .input .capability.

Up to 24 Mic Sour

ce

s

Wordclock between 

OctoPre MKII #1

and Clarett 8PreX 

is via the ADAT link.

Optical ADAT (TOSLINK)

Optical ADAT

(TOSLINK)

Wordclock

OctoPre MKII 

8ch Mic Amp

OctoPre MKII 

8ch Mic Amp

Inputs 1 & 2 

on front panel

Inputs 1 & 2 

on front panel

Computer running DAW

and Focusrite Control

Thunderbolt

TM

In .the .example, .the .OPTICAL OUT .ports .of .the .OctoPre .MkIIs .are .connected .to .the .Clarett .8PreX’s .

OPTICAL IN .ports .with .two .TOSLINK .optical .cables. .Although .mic .inputs .are .shown .in .the .diagram, .

this .would .allow .any .combination .of .up .to .24 .mic .or .line .inputs, .of .which .some .could .be .INST .level .

signals.

Stable .word .clock .synchronisation .may .be .achieved .by .setting .one .OctoPre .MkII .as .the .sync .master .

and .the .Clarett .8PreX’s .sync .source .as .ADAT. .The .second .OctoPre .MkII .can .then .be .synchronised .by .

connecting .its .WORD CLOCK IN .to .the .WORD CLOCK OUT .of .the .Clarett .8PreX .with .a .BNC .cable. .

NOTE: .when .interconnecting .two .digital .devices .by .any .method, .always .ensure .that .both .are .set .to .

use .the .same .sample .rate. .

The .additional .inputs .realised .by .use .of .the .optical .ports .may .be .routed .using .Focusrite .Control .in .

exactly .the .same .manner .as .the .other .inputs. .The .additional .inputs .can .form .part .of .any .musician’s .

headphone .mix, .as .required.

Summary of Contents for Clarett 8PreX

Page 1: ...User Guide www focusrite com FFFA001254 ...

Page 2: ...etup in your DAW 10 Connecting Clarett 8PreX to loudspeakers 11 Examples of Usage 12 1 Recording a band 12 2 Project Studio 13 3 Using the optical connections to provide additional inputs 14 4 Using the optical connections to provide additional outputs 15 FOCUSRITE CONTROL OVERVIEW 16 CLARETT 8PRE TECHNICAL SPECIFICATIONS 17 Performance Specifications 17 Physical and Electrical Characteristics 18 ...

Page 3: ...e hardware to help you achieve a thorough understanding of the product s operational features We recommend that you take the time to read through the Guide whether you re new to computer recording or a more experienced user so that you are fully aware of all the possibilities that the Clarett 8PreX has to offer If either of the Guides do not provide the information you need be sure to consult http...

Page 4: ...e itself It also has standard DIN connectors for sending and receiving MIDI data An important feature of all models in the Clarett range is the new design of analogue preamplifier In addition to their class leading dynamic range and ability to provide all the gain you re ever likely to need the circuitry now includes an exciting new AIR function Individually selectable on each channel AIR subtly m...

Page 5: ...ering the Bundle Code into the form where prompted Your Bundle Code can be found on the back of the Getting Started Guide packed with the unit 3 Enter the unit s serial number which can also be found on the back of the Getting Started Guide 4 You will then be able to access the My Products page where the software products to which your registration entitles you are available for download complete ...

Page 6: ...nding rear panel XLR mic input Each switch has an associated red LED indicating that phantom power is selected 6 Hi pass filters one switch per channel use to remove unwanted low frequencies Filter is 3 dB at 80 Hz with a slope of 12 dB octave Each switch has an associated red LED indicating that the filter is active 7 Phase reverse one switch per channel Each switch has an associated red LED indi...

Page 7: ...onfigured in Focusrite Control to adjust the level of any of the unit s ten analogue outputs 16 DIM and MUTE two switches controlling the Clarett 8PreX s monitor outputs DIM reduces the output levels by 18 dB while MUTE turns the outputs off By default these switches affect the main monitor outputs 1 and 2 but they will also affect any analogue outputs that have been selected for front panel monit...

Page 8: ...outing of signals to outputs may be customised in Focusrite Control 5 OPTICAL IN and OUT four TOSLINK connectors two inputs and two outputs each carrying eight channels 1 to 8 and 9 to 16 of digital audio in ADAT format at 44 1 48 kHz sample rate four channels at 88 2 96 kHz or two channels at 176 4 192 kHz These are simply additional inputs and outputs respectively to from the Clarett 8PreX The O...

Page 9: ...DIF IN and OUT two phono RCA sockets carrying two channel digital audio signals in or out of the Clarett 8PreX in S PDIF format Like all the other inputs and outputs the routing of S PDIF signals may be customised in Focusrite Control 11 AC mains standard IEC receptacle The Clarett 8PreX is fitted with a Universal power supply and will run from any AC mains voltage from 100 to 240 V at 50 or 60 Hz...

Page 10: ...ing a Thunderbolt cable Computer audio setup Your OS should automatically select the Clarett 8PreX as the default audio device You can check that this selection has been made correctly if you wish Details of how to do this on various operating systems can be found at www focusrite com get started clarett8PreX Audio Setup in your DAW After installing the drivers and connecting the hardware you can ...

Page 11: ... sockets and are electronically balanced Typical consumer hi fi amplifiers and small powered monitors will have unbalanced inputs either on phono RCA sockets or via a 3 5 mm 3 pole jack plug intended for direct connection to a computer In either case use a suitable connecting cable with jack plugs at one end Professional power amplifiers will generally have balanced inputs When mixing you can conn...

Page 12: ...re shown connected to the Clarett 8PreX s inputs Note that the guitars are connected to Channels 1 and 2 as they can be configured to accept instruments directly Ensure that INST mode is selected for these from Focusrite Control and the INST LEDs are illuminated Similarly the stereo keyboard is connected to the line inputs of Channels 4 and 5 select these to LINE from the software The connection t...

Page 13: ...hing from one instrument to another as you build up the various tracks making up a song In the example below we assume that guitar and bass guitar will remain connected to Channels1 and 2 via their INST inputs while various electronic instruments can be connected to the LINE inputs of all channels The MIC inputs of all channels would typically be connected to mic input sockets at different locatio...

Page 14: ...AW and Focusrite Control ThunderboltTM In the example the OPTICAL OUT ports of the OctoPre MkIIs are connected to the Clarett 8PreX s OPTICAL IN ports with two TOSLINK optical cables Although mic inputs are shown in the diagram this would allow any combination of up to 24 mic or line inputs of which some could be INST level signals Stable word clock synchronisation may be achieved by setting one O...

Page 15: ...DAT links Optical ADAT TOSLINK Optical ADAT TOSLINK OctoPre MKII Dynamic OctoPre MKII Dynamic Computer running DAW and Focusrite Control ThunderboltTM Up to 26 Analogue Outputs In the example the OPTICAL IN 1 8 ports of the two OctoPre MkII DYNAMICs are connected to the Clarett 8PreX s OPTICAL OUT ports with two TOSLINK optical cables The additional outputs thus created may be routed within Focusr...

Page 16: ...ocusrite Control is a generic product and may be used with other hardware interfaces in the Focusrite Clarett range When you connect a Clarett interface to your computer and launch Focusrite Control the model of interface is automatically detected and the software configured to suit the number of inputs and outputs and other facilities available on the hardware Focusrite Control has its own dedica...

Page 17: ...e 118 dB A weighted THD N 0 001 Noise EIN 128 dBu A weighted Maximum input level 18 dBu Gain Range 57 dB Line Inputs Frequency Response 20 Hz 20 kHz 0 1 dB Dynamic Range 116 dB THD N 0 005 Maximum input level 26 dBu Gain Range 57 dB Instrument Inputs Frequency Response 20 Hz 20 kHz 0 1 dB Dynamic Range 111 dB A weighted THD N 0 001 Maximum input level 14 dBu Gain Range 57 dB Line Monitor Outputs F...

Page 18: ...antom power 48 V independently switchable per channel Analogue Outputs Main outputs 10 x balanced TRS jacks on rear panel Stereo headphone outputs 2 x TRS jack on front panel Main monitor output level control On front panel Headphones level controls Other I O ADAT I O 4 x TOSLINK optical connectors 16 channels at 44 1 48 kHz 8 channels at 88 2 96 kHz 4 channels at 176 2 192 kHz S PDIF I O 2 x phon...

Page 19: ...find articles covering numerous troubleshooting examples COPYRIGHT AND LEGAL NOTICES Focusrite is a registered trade mark and Clarett 8PreX is a trade mark of Focusrite Audio Engineering Limited All other trade marks and trade names are the property of their respective owners 2015 Focusrite Audio Engineering Limited All rights reserved ...

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