Focusrite Clarett 2Pre USB Manual de usuario

focusrite.com

Version 2

User Guide

TABLE OF CONTENTS

OVERVIEW..................................................................... 3

Features ....................................................................4

Box Contents ................................................................5

System Requirements .........................................................5

Getting Started................................................................. 6

Software Installation ..........................................................6

Registering your Clarett USB ...................................................6

Hardware Features ...........................................................8

Front Panel ....................................................................8

Rear Panel ....................................................................9

Connecting your Clarett 2Pre USB ..............................................10

Computer audio setup ..........................................................10

Audio Setup in your DAW ........................................................10

Connecting Clarett 2Pre USB to loudspeakers ......................................11

Examples of Usage ..........................................................13

1. Recording a solo artist ........................................................13

2. Using the optical connections ..................................................15

3. Using the Clarett 2Pre USB as an on-stage mic pre-amp ...........................16

FOCUSRITE CONTROL - OVERVIEW...............................................17

CLARETT 2PRE USB TECHNICAL SPECIFICATIONS .................................18

Performance Specications ...................................................18

Physical and Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

TROUBLESHOOTING ...........................................................20

OVERVIEW

WARNING: Excessive sound pressure levels from earphones and headphones can cause

hearing loss.

WARNING: This equipment is only compatible with USB Type 2.0+ ports, or Thunderbolt 3+ ports.

More information regarding the compatibility of computer serial ports can be found at:

support.focusrite.com/hc/articles/115005994565-Scarlett-3rd-Gen-Clarett-USB-Clarett-USB-

connectivity-Do-I-need-a-USB-C-port-

Introduction

Thank you for purchasing this Clarett 2Pre USB, one of the family of Focusrite professional USB

audio interfaces incorporating newly-designed, high quality Clarett analogue pre-ampliers 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.

You can also use the Clarett 2Pre USB as a stand-alone interface on-stage, bringing the benets of

Focusrite’s high-quality analogue microphone preamps to your live performance.

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 you take the time to read

through the Guide, whether you’re new to computer-based recording or a more experienced user, so

you are fully aware of all the possibilities the Clarett 2Pre USB has to offer.

If either User Guide does not have the information you need, please go to support.focusrite.com,

where you can nd articles and tutorials beyond the scope of this user guide. A Getting Started video

tutorial is also available, at focusrite.com/get-started.

IMPORTANT: As well as this User Guide, you will need the Focusrite Control Software

Guide which can be downloaded from focusrite.com/downloads

This contains full details of Focusrite Control, the software application that has been

designed specically for use with the Focusrite Clarett USB range of interfaces.

Features

The Clarett 2Pre USB audio interface provides the means for connecting microphones, musical

instruments, line level audio signals and digital audio signals to a computer through the computer’s

USB port. The signals at the physical inputs can be routed to your audio recording software / digital

audio workstation (referred to throughout this user guide as the “DAW”); similarly, the outputs from

the DAW can be congured to appear at the unit’s physical outputs.

Audio sources – mics, instruments, etc., can be recorded into your DAW and then played back

from there through ampliers and speakers, powered monitors, headphones, a mixer or any other

analogue or digital audio equipment you wish to use.

The Clarett 2Pre USB is also a MIDI interface, allowing your computer to connect to other MIDI

equipment in your studio.

An important feature of the Clarett 2Pre USB is the analogue preamplier design. 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

modies the pre-amp’s frequency response to model the impedance and resonance characteristics

of Focusrite’s classic transformer-based ISA microphone preamps. When recording with good

quality microphones, you will notice an enhanced clarity and denition in the important mid to high

frequency range, just where it is most needed for vocals and many acoustic instruments.

The accompanying software application, Focusrite Control, is designed to require a minimal amount

of user interaction, letting you easily congure the Clarett 2Pre USB with signal routings appropriate

for the most common recording tasks. For more complex situations, it provides extensive routing

and monitoring options, as well as the ability to control global hardware settings such as sample rate

and synchronisation. 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:

support.focusrite.com/hc/articles/212028389-Focusrite-iOS-Control-Basic-setup

Box Contents

Along with your Clarett 2Pre USB you should have:

• External 12 V DC mains Power Supply Unit (PSU)

• 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 2Pre USB is class-compliant on Macs, therefore

no drivers are required.

As a Clarett owner, you are also entitled to a selection of third-party software. To nd out what’s

included, go to:

focusrite.com/usb-c-audio-interface/clarett-usb/clarett-2pre-usb

System Requirements

IMPORTANT – Please visit the following link for up-to-date information on computer and

operating system compatibility for all Clarett products:

support.focusrite.com

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.

Click Clarett USB range on the Downloads page. This will take you to a page with all the downloads

which are available for the Clarett USB range.

To download the Focusrite Control version you need, click the appropriate Download button.

Note that the Windows driver is included within the Focusrite Control download. No additional

driver is needed for Macs.

Registering your Clarett USB

If you are having trouble with the steps below, please watch our video guide here:

focusrite.com/get-started

1. Go to focusrite.com/register

2. If you do not have already have a Focusrite/Novation account, select CREATE AN ACCOUNT and

follow the on-screen instructions.

3. If you do have an account, log in and select REGISTER A NEW PRODUCT:

4. Select your Clarett USB device from the Product drop-down list and enter your device’s Serial

Number at the bottom of the page. You can nd the serial number on the rear or underside of the

Clarett, and also on the gift box. Then click Set Serial Number.

5. Follow the rest of the on-screen instructions to nish registering your device.

6. When registration is complete, your Product will appear in your Account under the

My Hardware tab.

7. All your bundled software can be found under the My Software tab in your account.

Hardware Features

Front Panel

5 5

4 2

1 3 3 8 9101

The front panel includes the input gain controls and input connectors for Mic, Line and Instrument

signals for both channels, and also the monitoring controls.

1. INPUTS 1 & 2 – Combo XLR input sockets for each channel - connect microphones via an

XLR connector, or instruments (e.g., guitar) or line level signals via ¼” jacks. Either TRS

(balanced) or TS (unbalanced) jack plugs can be used for instruments or line level signals.

2. 48V – two switches enabling 48 V phantom power at the Combo connectors’ XLR contacts for

mic inputs 1 and 2. Each switch has a red LED to show when phantom power is enabled. Note

that not all microphones require phantom power. If you are unsure whether your microphone

needs it to work, please read the microphone documentation.

3. Gain 1and 2– two rotary controls: adjust the input gain for the signals at Inputs 1 and 2

respectively. The gain controls have concentric bi-colour LED ‘halos’ to conrm signal level:

green indicates an input level of at least -42 dBFS (i.e., ‘signal present’), the ring then turns

orange when the signal level reaches -6 dBFS, and red at 0 dBFS.

4. INST – two red LEDs which illuminate when Instrument mode is selected for the jack Inputs

1 or 2 from Focusrite Control software. When Instrument mode is selected, the line input is

converted to a high impedance unbalanced input. You can connect instruments via a 2-pole

(TS) jack plug here.

5. AIR – two yellow LEDs which illuminate when the AIR function is selected for each input

from Focusrite Control. AIR modies the frequency response of the input stage to model the

classic, transformer-based Focusrite ISA microphone preamps.

6. (USB active) – a green LED which illuminates when the unit has established a connection

with the host computer to which it is connected.

7. (Locked) – a green LED which conrms clock synchronisation, either to the Clarett 2Pre

USB’s internal clock or to the external digital input.

8. 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 congured in Focusrite Control to

adjust the level of either or both pairs of analogue outputs.

9. (Headphones) – connect a pair of stereo headphones at the ¼” TRS jack socket below

the control. The headphone output always carries the signals currently routed to analogue

outputs 3 and 4 (as a stereo pair) in Focusrite Control.

10. POWER – green LED conrming DC power is connected.

Rear Panel

25 4

36 7

1. LINE OUTPUTS 1 to 4– four balanced analogue line outputs on ¼” jack sockets; use TRS jacks

for a balanced connection or TS jacks for unbalanced. Line Outputs 1and 2will generally be

used for driving the main L and R speakers of your monitoring system, while Outputs 3and 4

can be used for connecting additional line level equipment (e.g., outboard FX processors). The

signals routed to all the outputs may be dened in Focusrite Control.

2. OPTICAL INPUT – a TOSLINK connector carrying eight channels of digital audio in ADAT

format at 44.1/48 kHz sample rate or four channels at 88.2/96 kHz. These are simply additional

inputs to the Clarett 2Pre USB. This input is disabled at 176.4/192 kHz operation. This input is

also capable of accepting an optical S/PDIF source.

3. – USB-C™ connector; connect the Clarett 2Pre USB to your computer with either the

supplied USB-C to USB-C or USB-C to USB-A cable.

4. MIDI IN and MIDI OUT – standard 5-pin DIN sockets to connect external MIDI equipment. You

can send/receive MIDI data between your computer and external MIDI devices.

5. External DC power input – power the Clarett 2Pre USB via the separate AC adaptor (PSU)

supplied. The PSU is a 12 V DC unit rated at 1.5 A.

6. Power On/Off switch.

7. Kensington security slot– secure your Clarett 2Pre to a suitable structure if desired.

Connecting your Clarett 2Pre USB

The Clarett 2Pre has a USB-C™ port (on the rear panel). Once the software installation is complete,

connect the Clarett 2Pre to your computer using one of the supplied USB-C cables.

The Clarett 2Pre can be powered either with the supplied AC adaptor (PSU), or via the USB connection,

provided your computer has a 15 W Type-C™ port. See Clarett 2Pre USB Bus Power Information to

check whether your computer has a port of this type.

Turn the unit on with the power switch.

Computer audio setup

When you connect your Clarett 2Pre USB to your computer for the rst time, you will need to select

it as the audio input/output device.

• Mac OS: selection is made in System Preferences >Sound: select the Focusrite device on

both the Input and Output pages.

• Windows: selection is made in Control Panel >Sound: right-click on the Focusrite device

and select Set as Default Device in both Recording and Playback tabs.

In case of difculty, full details of how to select the Clarett 2Pre USB as the audio device on all

operating systems can be found at focusrite.com/get-started/clarett-2PreUSB.

On all subsequent connections, your OS should automatically select the Clarett 2Pre USB as the

default audio device.

Audio Setup in your DAW

After installing the drivers and connecting the hardware, you can use the Clarett 2Pre USB with the

DAW of your choice.

Your DAW may not automatically select the Clarett 2Pre USB as its default I/O device. In this case,

you must manually select the driver on your DAW’s Audio Setup* page, and select Focusrite 2Pre

USB (Mac) or Focusrite USB ASIO (Windows). Please refer to your DAW’s documentation or Help

les if you are unsure where to select the Clarett 2Pre USB as your audio device.

* Typical name – page names may vary with DAW

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