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OVERVIEW

Introduction

Thank you for purchasing a Scarlett OctoPre, an eight channel mic-pre expansion unit incorporating 

high quality Focusrite analogue pre-amplifiers. 

The Scarlett OctoPre comprises eight natural sounding, low noise preamps with plenty of gain; eight 

line inputs and two high headroom instrument inputs, coupled with high quality digital conversion 

to ADAT format. You can now expand your studio set-up or live rig by adding Focusrite quality mic 

preamps and conversion to any interface with ADAT I/O.

The Scarlett OctoPre has both digital and analogue outputs: in addition to dual ADAT optical ports 

it also provides a balanced line output from each channel, enabling you to connect it directly to any 

analogue device.

This  User  Guide  provides  a  detailed  explanation  of  the  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 professional audio or a more experienced user, so that you 

are fully aware of all the possibilities the Scarlett OctoPre has to offer.

If  the  User  Guide  sections  do  not  provide  the  information  you  need,  be  sure  to  consult   

https://support.focusrite.com

which contains a comprehensive collection of answers to common 

technical support queries.

Features

The Scarlett OctoPre is an eight-channel pre-amplifier for use with microphone, line and instrument 

input signals. It converts the inputs into multi-channel, 24-bit digital audio at sample rates up to 

192 kHz. The digital outputs are in ADAT format on optical TOSLINK connectors, which can be easily 

routed to ADAT inputs on your studio recording system, or any other ADAT-equipped interface using 

optical cables. The Scarlett OctoPre can transmit eight channels of audio at sample rates of 44.1, 48, 

88.2, or 96 kHz, or four channels at 176.4 or 192 kHz provided, of course, that the receiving interface 

is able to handle the same number of channels at the sample rate in use.

The Scarlett OctoPre is an ideal “expansion” unit for adding up to eight more inputs to any audio 

interface with ADAT I/O. 

The Scarlett OctoPre can be easily synchronised with other digital audio equipment in your studio, 

either as a slave to an external word clock signal, or by acting as the master clock source itself.

Содержание Scarlett OctoPre

Страница 1: ...User Guide www focusrite com Version 1 0...

Страница 2: ...Scarlett OctoPre as Clock Source Slave via word clock 9 EXAMPLE SETUPS 10 1 Scarlett OctoPre with audio interface OctoPre as clock source Master 10 2 Scarlett OctoPre with audio interface audio interf...

Страница 3: ...he possibilities the Scarlett OctoPre has to offer If the User Guide sections do not provide the information you need be sure to consult https support focusrite com which contains a comprehensive coll...

Страница 4: ...e feet stick to underside of unit for table top use Printed on the inside of the box Getting Started Guide Bundle Code for on line product registration After registration you will have access to downl...

Страница 5: ...IC 48V 1 4 5 8 two latching switches each enabling 48 V phantom power at the XLR contacts of four inputs Channels 1 to 4 and 5 to 8 respectively Each switch has an associated red LED indicating that p...

Страница 6: ...tputs on 3 pole TRS jack sockets These connectors are always active and carry the outputs of Channels 1 to 8 enabling the Scarlett OctoPre to be used as a stand alone high quality 8 channel analogue m...

Страница 7: ...te normally with phantom power supplied Passive ribbon microphones do not require phantom power and may be damaged if supplied with phantom power If you are unsure about a microphone DO NOT apply phan...

Страница 8: ...red LED should never light Digital Outputs Use the ADAT OUT optical port s 13 to connect the Scarlett OctoPre to the ADAT input s of an audio device using TOSLINK optical cable s The right hand port a...

Страница 9: ...ett OctoPre as Clock Source Master via word clock An alternative method to the above is to sync the receiving device to the Scarlett OctoPre s WORD CLOCK OUT using a BNC cable In this scenario the rec...

Страница 10: ...rding a live band The setup would also be appropriate for any other audio interface which has an ADAT input 2 Scarlett OctoPre with audio interface audio interface as clock source Master Scarlett Octo...

Страница 11: ...92 kHz sample rate SMUX IV mode each optical cable will then carry two channels of audio 4 Scarlett OctoPre with analogue mixing desk Scarlett OctoPre ANALOGUE MIXING DESK This setup uses the Scarlett...

Страница 12: ...rding with or without secondary backup Because the Scarlett OctoPre s ADAT OUT ports are always active you can record the performance on a DAW or other recording device with an ADAT interface The exam...

Страница 13: ...el without PAD 8 dBu Maximum input level with PAD 16 dBu Gain Range 50 dB Input Impedance 3 k Line Inputs Frequency Response 20 Hz to 20 kHz 0 5 1 5 dB Dynamic Range 109 dB A weighted THD N 0 002 Maxi...

Страница 14: ...ogue outputs 8 x balanced on rear panel TRS jack sockets Other I O ADAT Output 4 x TOSLINK optical connectors 8 channels at 44 1 48 kHz RH port 8 channels at 88 2 96 kHz Chs 1 4 RH port 5 8 LH port 4...

Страница 15: ...d articles covering numerous troubleshooting examples COPYRIGHT AND LEGAL NOTICES Focusrite is a registered trade mark and Scarlett OctoPre is a trade mark of Focusrite Audio Engineering Limited All o...

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