Focusrite Clarett 4 Pre USB User Manual
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User Guide
User Guide
focusrite.com
Version 2

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Summary of Contents for Focusrite Clarett 4 Pre USB

  • Page 1 User Guide User Guide focusrite.com Version 2...
  • Page 2: Table Of Contents

    FOCUSRITE CONTROL - OVERVIEW . . . . . . . . . . . . . . . . . .
  • Page 3: Overview

    Introduction Thank you for purchasing this Clarett 4Pre USB, one of the family of Focusrite professional USB audio interfaces incorporating newly-designed, high quality Clarett analogue pre-amplifiers with the unique AIR function. In conjunction with the Focusrite Control application, you now have a highly versatile and professional solution for routing high quality audio to and from your computer recording system, with super-low latency.
  • Page 4: Features

    You can download Focusrite Control from: focusrite.com/downloads iPad and iPhone users can additionally download Focusrite iOS Control from the App Store®. The app communicates via WiFi with Focusrite Control running on your computer, and lets you adjust your monitor mixes from your iOS device. For more information, see:...
  • Page 5: Box Contents

    • USB-C to USB-A cable • USB-C to USB-C cable Focusrite Control is available at focusrite.com/downloads. On Windows, Focusrite Control will also install the driver required. Mac users: Clarett 4Pre USB is class-compliant on Macs, therefore no drivers are required.
  • Page 6: Getting Started

    GETTING STARTED Software Installation Focusrite Control and the driver software needed for the Clarett USB are available for download from the Focusrite website: focusrite.com/downloads. Clarett USB range Downloads Click on the page. This will take you to a page with all the downloads which are available for the Clarett USB range.
  • Page 7 REGISTER A NEW PRODUCT 3. If you do have an account, log in and select Product 4. Select your Clarett USB device from the drop-down list and enter your device’s Serial Number at the bottom of the page. You can find the serial number on the rear or underside of the Set Serial Number Clarett, and also on the gift box.
  • Page 8: Hardware Features

    MONITOR – main monitor output level control – this control will normally control the level at the main monitor outputs on the rear panel, but can be configured in Focusrite Control to adjust the level of either or both pairs of analogue outputs.
  • Page 9: Rear Panel

    Clarett 4Pre USB in S/PDIF format. Like all the other inputs and outputs, the routing of S/PDIF signals may be customised in Focusrite Control. The S/PDIF Input appears in Focusrite Control as Inputs 9 and 10 and the S/PDIF Output as Outputs 7 and 8.
  • Page 10: Connecting Your Clarett 4Pre Usb

    When you connect your Clarett 4Pre USB to your computer for the first time, you will need to select the Clarett 4Pre USB as the audio input/output device. System Preferences > Sound • Mac OS: selection is made in : select the Focusrite device on Input Output both the pages.
  • Page 11: Connecting Clarett 4Pre Usb To Loudspeakers

    Connecting Clarett 4Pre USB to loudspeakers The 1/4” jack LINE OUTPUTS 1 and 2 on the rear panel will normally be used to drive monitoring speakers. Self-powered monitors incorporate internal amplifiers, and may be connected directly. Passive loudspeakers will require a separate stereo amplifier; in this case, the outputs should be connected to the amplifier’s inputs.
  • Page 12 When mixing, you can connect an additional pair of speakers (mid-field, near-field, etc.) to LINE OUTPUTS 3 and 4 to check your mix on different types of speaker. You can easily configure Focusrite Control to route the mix to these outputs as well as Outputs 1 and 2. Additional...
  • Page 13: Examples Of Usage

    Ensure INST mode is selected for Inputs 1 and 2 from Focusrite Control, and the INST LEDs are illuminated. The two mics for vocals are plugged into Inputs 3 and 4; if they are condenser mics, press the 48V button to enable phantom power.
  • Page 14 DAW Setup Preferences The Clarett 4Pre, in conjunction with Focusrite Control, allows “low latency monitoring”, which overcomes this problem. You can route your input signals directly to the Clarett 4Pre’s headphone and line outputs. This enables the musicians to hear themselves with ultra-low latency – i.e., effectively in “real time”...
  • Page 15: Recording A Drum Kit With (And Without) The Optical Connection

    2 . Recording a drum kit with (and without) the optical connection In addition to the eight analogue inputs, the Clarett 4Pre USB has an ADAT input port (OPTICAL IN) which can provide an additional 8 audio inputs at 44.1/48 kHz sample rate or four at 88.2/96 kHz. Using a separate 8-channel microphone preamplifier equipped with an ADAT output –...
  • Page 16 Focusrite Control. The two devices must be set to operate at the same sample rate. The additional inputs realised by use of the optical port may be routed using Focusrite Control in exactly the same manner as the other inputs. The additional inputs can also form part of any musician’s headphone mix, as required.
  • Page 17: Providing Foldback While Recording

    Focusrite Control lets you define several different mixes, each of which may be either mono or stereo, and which may be routed to any of the Clarett 4Pre USB’s outputs. This enables individual musicians to have a foldback mix optimised to their own requirements.
  • Page 18: Focusrite Control - Overview

    An iOS app allowing WiFi control of Focusrite Control is also available, from the Apple App Store. Focusrite Control allows you to create a custom monitor mix for each musician, and specify the routing of all audio signals to the physical audio outputs. Sample rate and clock source selection are also available from Focusrite Control.
  • Page 19: Clarett 4Pre Usb Technical Specifications

    CLARETT 4PRE USB TECHNICAL SPECIFICATIONS Performance Specifications Configuration Inputs 18: analogue (8), S/PDIF (2), ADAT (8) Outputs 8: analogue (4), S/PDIF (2), HP (2) Mixer Fully assignable 26-in/10-out mixer Custom mixes 10 mono Maximum custom mix inputs 18 mono Digital Performance Supported sample rates 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz &...
  • Page 20: Physical And Electrical Characteristics

    Combo XLR sockets: Mic/Line/Inst (Inputs 1 & 2); Mic/Line Connectors (Inputs 3 & 4) on front panel Mic/Line switching Automatic Line/Instrument switching via Focusrite Control (Inputs 1 & 2) Phantom power +48 V switches for inputs 1 & 2, 3 & 4 Analogue Inputs 5 to 8 Connectors 4 x balanced ¼”...
  • Page 21: Troubleshooting

    For all troubleshooting queries, please visit the Focusrite Help Centre at: support.focusrite.com COPYRIGHT AND LEGAL NOTICES Focusrite, Clarett and OctoPre are registered trade marks of Focusrite Audio Engineering Ltd. in the United States and other countries. ADAT is a registered trademark of inMusic Brands in the US and other countries.

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