Focusrite Clarett2Pre Bedienungsanleitung
User Guide
FFFA001255
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TABLE OF CONTENTS
OVERVIEW..................................................................... 3
Introduction .................................................................3
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Box Contents ................................................................4
System Requirements.........................................................4
GETTING STARTED ............................................................. 5
Software Installation ..........................................................5
Hardware Features ...........................................................6
Front Panel ....................................................................6
Rear Panel ....................................................................7
Connecting your Clarett 2Pre ...................................................8
Computer audio setup ...........................................................8
Audio Setup in your DAW ......................................................8
Connecting Clarett 2Pre to loudspeakers ...........................................9
Examples of Usage.............................................................11
1. Recording a solo artist ......................................................11
2. Using the optical connections ................................................13
3. Using the Clarett 2Pre as an on-stage mic pre-amp..............................14
FOCUSRITE CONTROL - OVERVIEW...............................................15
CLARETT 2PRE TECHNICAL SPECIFICATIONS......................................16
Performance Specifications ...................................................16
Physical and Electrical Characteristics..........................................17
TROUBLESHOOTING ........................................................... 18
COPYRIGHT AND LEGAL NOTICES ............................................... 18
3
OVERVIEW
WARNING: Excessive sound pressure levels from earphones and headphones can cause
hearing loss.
WARNING: This equipment must only be connected to Thunderbolt™ ports.
Introduction
Thank you for purchasing this Clarett 2Pre, one of the family of Focusrite professional Thunderbolt™
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 extremely low latency.
You can also use the Clarett 2Pre as a “stand-alone” interface on-stage, bringing the benefits of
Focusrite’s high-quality analogue mic pres 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 that you take the time to read
through the Guide, whether you’re new to computer-based recording or a more experienced user, so
that you are fully aware of all the possibilities that the Clarett 2Pre has to offer.
If either of the Guides do not provide the information you need, be sure to consult
, which contains a comprehensive collection of answers to
common technical support queries.
IMPORTANT: As well as this User Guide, you will need the Focusrite Control
Software Guide which can be downloaded from
after registering your product.
This contains full details of Focusrite Control, the software application that has been
designed specifically for use with the Focusrite Clarett range of interfaces.
4
Features
The Clarett 2Pre hardware interface provides the means for connecting microphones, musical
instruments, line level audio signals and digital audio signals to a computer through the computer’s
Thunderbolt™ 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 configured 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 amplifiers and speakers, powered monitors, headphones, a mixer or any other analogue
or digital audio equipment that you wish to use. Although all inputs and outputs on the Clarett 2Pre
are routed directly to and from your DAW for recording and playback, you can configure the routing
within your DAW, or within the Focusrite Control application, in order to meet your precise needs.
The Clarett 2Pre also has connectors for sending and receiving MIDI data; this lets you use it as a
MIDI interface between your computer and other items of MIDI equipment in your system.
An important feature of the Clarett 2Pre 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 modifies the pre-amp’s frequency response to model the impedance and resonance
characteristics of Focusrite’s classic transformer-based ISA mic preamps. When recording with
good quality microphones, you will notice an enhanced clarity and definition 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 configure the Clarett 2Pre 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.
All inputs on the Clarett 2Pre are routed directly to your DAW software for recording, but Focusrite
Control also allows you to route these signals internally within the device to the outputs so that you
can monitor the audio signals with ultra-low latency - before they arrive at your DAW, should you
need to do so.
Box Contents
Along with your Clarett 2Pre you should have:
• External 12 V DC mains Power Supply Unit (PSU)
• Important Information, with codes for accessing the following on-line resources:
- Drivers as required
- 1 GB of Loopmasters sounds and samples
- Focusrite Control
- Focusrite Red 2/Red 3 Plug-in Suite
System Requirements
IMPORTANT – Please visit the following link for up-to-date information on computer and
operating system compatibility for all Clarett products:
5
GETTING STARTED
IMPORTANT: Please ensure that you install the Clarett 2Pre drivers before connecting
the interface to your computer.
Software Installation
All software required by the Clarett 2Pre, including several powerful and useful extras, is available
for download from the Focusrite website The Important Information
provided with your Clarett 2Pre contains validation codes which you will need to enter at the above
web address. This procedure ensures that you will have the most up-to-date software versions.
1. Using your usual browser,
2. Follow the on-screen instructions, entering the “Bundle Code” into the form where prompted.
Your Bundle Code can be found on the Important Information packed with the unit.
3. 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 with activation codes where applicable.
4. Download and install the Clarett 2Pre drivers. Follow all on-screen instructions.
5. When the installation is complete, you will be prompted to restart your computer.
6. After restart, connect the Clarett 2Pre to your computer with a Thunderbolt cable.
7. If you are having trouble getting started please watch our video guide here -
6
Hardware Features
Front Panel
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5 5
4 2
6
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1 3 3 8 9101
The front panel includes all the input gain and monitoring controls as well as two of the input
connectors for Mic, Line and Instrument signals.
1. INPUTS 1 & 2 – “Combo XLR” input sockets for each channel - connect microphones, instruments
(e.g., guitar), or line level signals via XLR or ¼” jacks as appropriate. 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 XLR contacts of the Combi connectors
for mic inputs 1 and 2 respectively. The switches each have an associated red LED indicating
that phantom power is selected.
3. Gain 1 and 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 confirm signal level:
green indicates an input level of at least -24 dBFS (i.e., ‘signal present’), the ring then turns
red when signal level reaches 0 dBFS.
4. INST – two red LEDs which illuminate when INST mode is selected for the jack contacts of
Inputs 1 or 2 from Focusrite Control software. When INST is selected, the gain range and input
impedance are altered (relative to LINE), and the input is made unbalanced. This optimises
it for the direct connection of instruments via a 2-pole (TS) jack plug. When INST is off, the
inputs are suitable for the connection of line level signals. Line level signals may be connected
either in balanced form via a 3-pole (TRS) jack or unbalanced, via a 2-pole (TS) jack.
5. AIR – two yellow LEDs which illuminate when the AIR function is selected for each input
from Focusrite Control. AIR modifies the frequency response of the input stage to model the
classic, transformer-based Focusrite ISA mic preamps.
6. (Thunderbolt active) – a green LED which illuminates when the unit has established a
connection with the computer to which it is connected.
7. (Locked) – a green LED which confirms clock synchronisation, either to the Clarett 8Pre’s
internal clock or to an 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 configured in Focusrite Control to
adjust the level of any of the unit’s four 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 confirming that DC power is connected.
7
Rear Panel
25 4
1
36 6
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 1 and 2 will generally be
used for driving the main L and R speakers of your monitoring system, while Outputs 3 and
4 can be used for driving alternative speakers (i.e., midfield, nearfield, etc.) or to send audio
to outboard FX processors. The signals routed to all the outputs may be defined 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, four channels at 88.2/96 kHz or two channels at
176.4/192 kHz. These are simply additional inputs to the Clarett 2Pre.
3. – Thunderbolt™ connector; connect the Clarett 2Pre to your computer with a suitable
Thunderbolt™ cable.
4. MIDI IN and MIDI OUT – standard 5-pin DIN sockets for connection of external MIDI equipment,
allowing MIDI data to/from your computer to be received and distributed to additional MIDI
devices.
5. External DC power input – power the Clarett 2Pre 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. Please
see for
further information on how to use this feature.
8
Connecting your Clarett 2Pre
IMPORTANT: Before you connect the Clarett 2Pre to your computer, please
complete the software installation according to the instructions on page 5.
This will ensure that the hardware uses the correct drivers, and will
prevent unexpected behaviour.
The Clarett 2Pre must be powered using the supplied AC adaptor (PSU). Plug the coaxial connector
on the two-core cable on the PSU into the rear panel power socket and turn the unit on with the
power switch.
The Clarett 2Pre has a Thunderbolt™ port (on the rear panel). Once the software installation is
complete, simply connect the Clarett 2Pre to your computer using a Thunderbolt™ cable.
Computer audio setup
Your OS should automatically select the Clarett 2Pre 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
Audio Setup in your DAW
After installing the drivers and connecting the hardware, you can start using the Clarett 2Pre with
the DAW of your choice.
Please note - your DAW may not automatically select the Clarett 2Pre as its default I/O device. In
this case, you must manually select the driver on your DAW’s Audio Setup* page, and select the
Focusrite Thunderbolt driver. Please refer to your DAW’s documentation (or Help files) if you are
unsure where to select the Clarett 2Pre as your audio device.
* Typical name – page names may vary with DAW
9
Connecting Clarett 2Pre 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 (e.g., typical computer speakers) 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.
Professional equipment will generally have balanced inputs. If your amplifier or powered speakers
have balanced inputs, use 3-pole (TRS) 1/4” jacks to connect them to Clarett2Pre.
All the line output connectors are 3-pole (TRS) ¼” jack 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.
Connecting active speakers
Connecting passive speakers
10
When mixing, you can connect an additional pair of reference monitor speakers to
LINE OUTPUTS 3 and 4 allowing you to check your mix on different types of speaker. By default,
these outputs do not carry the same stereo signal as LINE OUTPUTS 1 and 2. If you wish, you can use
Focusrite Control to route the same stereo signal feeding LINE OUTPUTS 1 and 2 to these outputs.
Main
Monitor
Speakers
Additional
Monitor
Speakers
IMPORTANT:
LINE OUTPUTS 1 and 2 incorporate “anti-thump” circuitry that protects your speakers
if the Clarett 2Pre is turned on while the speakers (and amplifier if used) are connected
and active.
LINE OUTPUTS 3 and 4 do not have this circuitry.
If you’re using additional speakers connected to these outputs, we recommend that you
power your Clarett 2Pre on first,
then
turn on the speakers or power amplifier. But get
into the habit of following the general rule in any case - it is
always
good audio practice
to turn on a speaker system of any kind
after
turning on the equipment feeding it.
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