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User Guide

www.focusrite.com
Version 1.0

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Summary of Contents for Focusrite Scarlett OctoPre Dynamic

  • Page 1: User Guide

    User Guide www.focusrite.com Version 1.0...
  • Page 2: Table Of Contents

    4. Scarlett OctoPre Dynamic with audio interface – SMUX-II and SMUX-IV modes..17 5. Scarlett OctoPre Dynamic with analogue mixing desk......17 6.
  • Page 3: Overview

    OctoPre are kept under control as they are routed to your DAW (Digital Audio Workstation). The Scarlett OctoPre Dynamic is an ideal “expansion” unit for adding up to eight more inputs to any audio interface with ADAT I/O.
  • Page 4: Box Contents

    Box Contents Along with your Scarlett OctoPre Dynamic you should have: • AC mains cable with IEC connector • 4 x self-adhesive feet – stick to underside of unit for table-top use Printed on the inside of the box: • Getting Started Guide •...
  • Page 5: Hardware Features

    Hardware Features Front Panel All operational controls and metering for all eight channels are on the front panel. Input gain controls 1 to 8 – eight rotary controls: adjust the input gain for the signals in Channels 1 to 8 respectively. O/L –...
  • Page 6 The mode in use is stored in memory so that it is retained when the unit is switched off. 13. POWER – AC power switch and green LED. 14. Rack ears for mounting the Scarlett OctoPre Dynamic in a standard 19” equipment rack.
  • Page 7: Rear Panel

    18. LINE OUTPUTS 1 to 8 – eight balanced analogue line outputs on ¼” 3-pole (TRS) jack sockets. These connectors are always active, and normally carry the outputs of Channels 1 to 8, enabling the Scarlett OctoPre Dynamic to be used as a stand-alone, high quality 8-channel analogue mic pre. In ADAT LINE mode, the connectors carry the signals applied at the >...
  • Page 8 21. AC mains – standard IEC receptacle. The Scarlett OctoPre Dynamic 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 9: Using The Scarlett Octopre Dynamic

    USING THE SCARLETT OCTOPRE DYNAMIC Combo Inputs All eight of the analogue inputs use “Combo XLR” connectors. These can accept male XLR connectors, TS (unbalanced) ¼” jacks or TRS (balanced) ¼” jacks. When an XLR connector is used, the pre-amp automatically configures gain and impedance to receive microphone level signals.
  • Page 10: Compressor

    COMPRESS. Compressor – additional information On the Scarlett OctoPre Dynamic, the COMPRESS control is essentially a combined Threshold and Gain Make-up control: as the threshold is reduced, causing more of the signal to be compressed, the compressor’s overall gain (often referred to as “Make-up Gain”) is increased, raising the signal level...
  • Page 11: Normal Mode

    Normal Mode dBFS 10.00 0.00 -10.00 -20.00 -30.00 -40.00 -50.00 -60.00 -60.00 dBr -50.00 -40.00 -30.00 -20.00 -10.00 0.00 In Normal mode (MORE mode off), the compression ratio is 2:1. More Mode dBFS 10.00 0.00 -10.00 -20.00 -30.00 -40.00 -50.00 -60.00 -60.00 dBr -50.00...
  • Page 12: Line Outputs

    Line Outputs By connecting the line outputs of the Scarlett OctoPre Dynamic to the analogue line inputs of a mixing console (or any other device), the unit can be used either as a purely analogue, 8-channel microphone pre-amplifier, or as an analogue “break-out box” for ADAT signals when in ADAT LINE >...
  • Page 13: Digital Synchronisation

    Scarlett OctoPre Dynamic as Clock Source Master via word clock: An alternative method to the above is to sync the receiving device to the Scarlett OctoPre Dynamic’s WORD CLOCK OUT using a BNC cable. In this scenario, the receiving device’s sync source will need to be set to its external word clock input.
  • Page 14: Adat-To-Line Mode

    8 chs. Ch. 8 This mode enables the Scarlett OctoPre Dynamic to be used to connect an 8-channal ADAT format output (from a DAW, for example) to a set of analogue inputs, typically the channels of an analogue mixing console, to permit such a mixer to be used to mix down DAW tracks.
  • Page 15: Example Setups

    ADAT using Focusrite Control Optical TOSLINK Here ADAT OUT on the Scarlett OctoPre Dynamic is connected to OPTICAL IN on a Scarlett 18i20 audio interface with a single optical cable. Both units are running at 44.1 kHz sample rate. The OctoPre’s clock source is set to INTERNAL, and the 18i20 is synchronised to it because its clock...
  • Page 16: Scarlett Octopre Dynamic In Adat > Line Mode

    The Scarlett 18i20 would normally be the sync master in this situation, so its clock source is set to INTERNAL (via Focusrite Control). The clock source on the Scarlett OctoPre Dynamic is set to ADAT, so it is synchronised to the 18i20 via the ADAT optical connection.
  • Page 17: Scarlett Octopre Dynamic With Audio Interface - Smux-Ii And Smux-Iv Modes

    Clock set to Internal via Focusrite Control Coaxial (BNC) This example shows a similar setup to Example 2, but using a Focusrite Clarett 8PreX allows operation at a sample rate of 96 kHz (“SMUX-II” mode). Both units must be set to 96kHz; two optical cables are used, carrying four channels of audio each.
  • Page 18: Scarlett Octopre Dynamic With Analogue Mixing Desk And Digital Record/Backup

    This example shows how the setup in Example 5 can be extended to add simultaneous digital recording, with or without secondary backup. Because the Scarlett OctoPre Dynamic’s ADAT OUT ports are always active, you can record the performance on a DAW (or other recording device) with an ADAT interface. The example shows two...
  • Page 19: Scarlett Octopre Dynamic Technical Specifications

    SCARLETT OCTOPRE DYNAMIC TECHNICAL SPECIFICATIONS Performance Specifications (All performance figures are measured to the AES17 standard). Sample Rates Supported sample rates 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz & 192 kHz Microphone Inputs Frequency Response 20 Hz to 20 kHz, +0.5/-1.5 dB...
  • Page 20: Physical And Electrical Characteristics

    Physical and Electrical Characteristics Analogue Inputs “Combo XLR” sockets on rear panel; for Line use ¼” TRS jack, Connectors for Inst use ¼” TS jack. Mic/Line switching Automatic Line/Instrument switching via front 2 x front panel switches (Chs. 1 & 2 only) Phantom power +48 V, switchable Chs.
  • Page 21: Troubleshooting

    COPYRIGHT AND LEGAL NOTICES Focusrite is a registered trade mark and Scarlett OctoPre Dynamic is a trade mark of Focusrite Audio Engineering Limited. All other trade marks and trade names are the property of their respective owners.

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