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User Guide
RIGHT LEFT
Version 2
focusrite.com
TABLE OF CONTENTS
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OVERVIEW
Introduction
Thank you for purchasing this Third Generation Scarlett Solo, one of the family of Focusrite professional computer audio interfaces incorporating high quality Focusrite analogue preamps. You now have a simple and compact solution for routing high quality audio to and from your computer and you will also be able to download some exciting new software plug-ins once you’ve registered the product.
In developing the Third Generation series of Scarlett interfaces, we have made further improvements to both performance and features to allow you to get the best out of your recordings. Audio specifications have been upgraded throughout the unit to give you greater dynamic range and even lower noise and distortion; additionally, the mic preamp now accepts higher input levels. An important enhancement is the inclusion of Focusrite’s AIR function. Individually selectable on each channel, AIR subtly modifies the preamp’s frequency response to model the sonic characteristics of our classic transformer-based ISA microphone 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.
You can also plug a guitar or bass straight into the dedicated instrument input: its high headroom will let you record without distortion or clipping. Both of Solo’s inputs have Gain Halo meters, which makes it easy to set input levels. Solo now has balanced outputs, which means when you connect them to monitors or an amplifier with balanced inputs, your audio will be protected from any hum or interference.
Third Generation Scarlett interfaces are class compliant on macOS: this means they are plug-andplay, so no need to install a driver if you are a Mac user.
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 both users who are new to computer-based recording, as well as more experienced users, take the time to read through the
User Guide so you are fully aware of all the possibilities the Scarlett Solo and accompanying software have to offer. If the main User Guide sections do not provide the information you need, be sure to consult support.focusrite.com
, which contains a comprehensive collection of common technical support queries.
Features
The Scarlett Solo hardware interface provides the means for connecting a microphone and an instrument or line level audio signal to a computer running Mac OS or Windows. 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”) at up to 24-bit, 192 kHz resolution; similarly, the DAW’s monitor or recorded output will appear at the unit’s physical outputs.
This lets you record “real-world” instruments into Ableton Live Lite, Pro Tools | First (or whichever other DAW you may use) along with – or instead of – any “native” sounds already available within your computer. The physical outputs can be connected to an amplifier and speakers, powered monitors, headphones or any other audio equipment with analogue inputs you wish to use. Solo’s
Direct Monitoring feature lets you hear what you are playing in “real-time”, without the effects of computer latency.
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Box Contents
Along with your Scarlett Solo you should have:
• USB cable, Type ‘A’ to Type ‘C’
• Getting Started Information (printed inside the box lid)
• Important Safety Information
System Requirements
The easiest way to check your computer’s operating system (OS) is compatible with your Scarlett is to use our Help Centre’s compatibility articles: support.focusrite.com/hc/categories/200693655
As new OS versions become available over time, you can continue to check for further compatibility information by searching our Help Centre at support.focusrite.com
.
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GETTING STARTED
With the Third Generation, Scarlett interfaces introduce a new, faster way of getting up and running, using the Scarlett Quick Start tool. All you need to do is connect your Scarlett Solo to your computer.
Once connected, you will see the device is recognised by your PC or Mac and the Quick Start tool will guide you through the process from there.
IMPORTANT: The Scarlett Solo has a single USB 2.0 Type C port (on the rear panel): connect it to your computer using the USB cable provided. Note that Scarlett Solo is a
USB 2.0 device, and thus the USB connection requires a USB 2.0+ compliant port on your computer.
The Scarlett Solo does not need a separate power supply; It gets its power from your computer via the USB connection. However, we recommend when using a laptop, the laptop is powered using its AC adaptor, as otherwise the battery will drain faster than when powering from the laptop alone.
Your computer will initially treat your Scarlett as a Mass Storage Device (MSD), and during its first connection, the Scarlett will be in “Easy Start mode”.
Quick Start Tool
We have tried to make registering your Scarlett Solo as simple as possible. The procedure is designed to be self explanatory, but we have described each step below, so you can see how they should appear on either a PC or a Mac.
Mac users only:
On connecting your Scarlett Solo to your Mac, a Scarlett icon will appear on the desktop:
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Double-click on the icon to open the Finder window shown below:
Double-click on the “Click Here to Get Started.url” icon. This will redirect you to the Focusrite website, where we recommend you register your device:
Click on “Let’s get you started”, and you’ll see a form which will be partly prefilled for you automatically.
When you submit the form, you’ll see options to go straight to the downloads to get the software for your Scarlett, or to follow a step by step setup guide based on how you want to use your Scarlett.
Once you have installed the Focusrite Control software to set up and configure your interface, the
Scarlett will be switched out of Easy Start mode so it no longer appears as a Mass Storage Device when connected to your computer.
Your OS should switch the computer’s default audio inputs and outputs to the Scarlett. To verify this, go to System Preferences > Sound , and ensure the input and output are set to Scarlett
Solo .
For detailed setup options on a Mac, open Applications > Utilities > Audio MIDI Setup.
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Windows users only:
O n connecting your Scarlett Solo to your PC, a Scarlett icon will appear on the desktop:
(Note that the drive letter may be something other than D:, depending on other devices connected to your PC.)
Double-click on the pop-up message to open the dialogue box shown below:
Double-click on “Open folder to view files”: this will open an Explorer window:
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Double-click “Click Here to Get Started”. This will redirect you to the Focusrite website, where we recommend you register your device:
Click on “Let’s get you started”, and you’ll see a form which will be partly prefilled for you automatically.
When you submit the form, you’ll see options to go straight to the downloads to get the software for your Scarlett, or to follow a step by step setup guide based on how you want to use your Scarlett.
Once you have installed the Focusrite Control software to set up and configure your interface, the
Scarlett will be switched out of Easy Start mode so it no longer appears as a Mass Storage Device when connected to your computer.
Your OS should switch the computer’s default audio inputs and outputs to be the Scarlett. To verify this, right click on the Sound icon on the taskbar and select Sound Settings , and set the Scarlett as the Input and Output Device.
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All users:
Note that a second file - “More Info & FAQs” - is also available during the initial set-up process. This file contains some additional information about the Focusrite Quick Start tool which you may find helpful if you have any issues with the procedure.
Once registered, you will have immediate access to the following resources:
• Focusrite Control (Mac and Windows versions available) - see NOTE below
• Multi-language User Guides
You can find the licence codes and links for the optional bundled software in your Focusrite account.
To find out what bundled software is included with Scarlett 3rd generation, please visit our website: focusrite.com/scarlett
NOTE: Installing Focusrite Control will also install the correct driver for your device. Focusrite Control is available to download at any time, even without registering: see “Manual Registration” below.
Manual Registration
If you decide to register your Scarlet at a later date you can do so at: customer.focusrite.com/register
You will need to enter the Serial Number manually: this number can be found on the base of the interface itself, and also on the barcode label on the side of the box.
We recommend you download and install our Focusrite Control application, as this will disable Easy
Start mode and unlock the full potential of the interface. Initially, when in Easy Start mode, the interface will function at sample rates up to 48 kHz. Once Focusrite Control is installed on your computer, you can work at sample rates up to 192 kHz.
If you decide not to download and install Focusrite Control immediately, it can be downloaded at any time from: customer.focusrite.com/support/downloads
To force your Scarlett out of Easy Start mode without first registering it, connect it to your computer and press and hold the 48V button for five seconds. This will ensure your Scarlett has full functionality.
Please bear in mind that should you wish to register your Scarlett after taking this action, you will need to so manually, as explained above.
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Audio Setup in your DAW
The Scarlett Solo is compatible with any Windows-based DAW that supports ASIO or WDM or any
Mac-based DAW that uses Core Audio. After following the Getting Started procedure described above, you can start using your Scarlett Solo with the DAW of your choice.
To allow you to get started if you do not already have a DAW application installed on your computer, both Pro Tools | First and Ableton Live Lite are included; these will be available to you once you’ve registered your Scarlett Solo. If you need help installing either DAW, please visit our Getting Started pages at focusrite.com/get-started , where Getting Started videos are available.
Operating instructions for Pro Tools | First and Ableton Live Lite are beyond the scope of this User
Guide, but both applications include a full set of Help files. Instructions are also available at avid.com
and ableton.com
respectively.
Please note - your DAW may not automatically select the Scarlett Solo as its default I/O device.
You must manually select Focusrite USB ASIO as the driver on your DAW’s Audio Setup* page.
Please refer to your DAW’s documentation (or Help files) if you are unsure where to select the ASIO or Core Audio driver. The example below shows the correct configuration in the Ableton Live Lite
Preferences panel (Windows version shown).
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*Typical name. Terminology may differ between DAWs.
Once the Scarlett Solo is set as the preferred Audio Device* in your DAW, its inputs and outputs will appear in your DAW’s Audio I/O preferences. Depending on your DAW, you may need to enable certain inputs or outputs before use. The two examples below show two Inputs and two outputs enabled in the Ableton Lite Audio Preferences.
*Typical name. Terminology may differ between DAWs.
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Examples of use
Scarlett Solo is an ideal audio interface for many DAW applications running on a laptop or other computer, PC or Mac. A typical set of connections is illustrated below.
Connecting a microphone/instrument
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This setup shows a typical configuration for recording using DAW software on your Mac or PC. You would record vocals through Input 1 and guitar through Input 2 into your recording application, while monitoring the playback via headphones.
Scarlett Solo’s inputs are on the front panel: Input 1 uses a standard 3-pin XLR socket, and is configured to work with microphones of most types; you will probably have a male XLR connector on the end of your mic cable.
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If you are using a “studio” condenser microphone designed to operate on 48 volt phantom power, press the 48V button. Some lower spec. condenser microphones are able to operate from a lower phantom power voltage – typically 15 V. You should check the mic spec to see if it is safe to operate it from 48 V; if not, obtain a suitable external phantom power supply. Most modern microphones of other types, e.g., dynamic or ribbon, will not be damaged by the inadvertent application of phantom power, but note some older mics may be; if you have any doubt, please check the specification of your mic to ensure it is safe to use.
Input 2 uses a ¼” (6.35 mm) jack socket which is 2-pole when in instrument mode and 3-pole when used as a mono line input. It can accept signals from an electric or electroacoustic guitar or bass, a keyboard, and most other types of audio equipment. Set the INST switch ON (‘INST’ illuminates red) if you are connecting a musical instrument, e.g., a guitar in the example, using an ordinary
2-pole (TS) guitar jack. Set the INST switch to OFF if you are connecting a line level source such as a keyboard, synthesiser or the balanced output of an external audio mixer via a 3-pole (TRS) jack. Note the jack socket accepts both TRS and TS types of jack plug.
Using Direct Monitoring
You will frequently hear the term “latency” used in connection with digital audio systems. In the case of the simple DAW recording application described above, latency will be the time it takes for your input signals to pass through your computer and audio software. Latency can be a problem for a performer who wishes to record while monitoring their input signals.
The Scarlett Solo is fitted with a “Direct Monitoring” option, which overcomes this problem. Setting the front panel DIRECT MONITOR switch to ON will route your input signals directly to the Scarlett
Solo’s headphone and main monitor outputs. This enables you to hear yourself with zero latency – i.e., in “real time” – along with the computer playback. Your inputs will be summed to mono, so both mic and instrument will appear in the centre of the stereo image. Note that the input signals to your computer are not affected in any way by the use of Direct Monitor.
When Direct Monitoring is set to ON, ensure your recording software is not set to route its input
(what you are currently recording) to its output. If it is, you will hear yourself “twice”, with one signal audibly delayed as an echo.
Monitoring with DIRECT MONITOR set to OFF can be useful when using an FX plug-in to your DAW to create a stereo effect which contributes to the live performance. In this way, you will be able to hear exactly what is being recorded, complete with the FX. However, some latency may result, the amount depending on the DAW’s buffer size and processing power of the computer.
Headphone monitoring
Connect a pair of stereo headphones to the front panel headphone output to hear both what you are recording - your current input signal(s), plus any tracks you’ve already recorded in your computer.
Note: Set the front panel DIRECT MONITOR switch to ON when recording. The pre-recorded tracks will be heard in stereo, and the current input signals in mono – central in the stereo image. If you are using both the mic and instrument inputs, the two inputs will be summed in mono.
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Connecting Scarlett Solo to loudspeakers
You can use the ¼” jack outputs on the rear panel to connect monitor speakers. Active monitors have internal amplifiers with a volume control, and can be connected directly. Passive loudspeakers require a separate amplifier; the rear panel outputs should be connected to the amplifier’s inputs.
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Connecting active speakers
RIGHT LEFT
Connecting passive speakers
The line outputs are 3-pole (TRS) ¼” (6.35 mm) 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.
Professional power amplifiers will general have balanced inputs; we highly recommend using balanced cables to connect these to the outputs of the Scarlett Solo.
NOTE: You run the risk of creating an audio feedback loop if loudspeakers are active at the same time as a microphone! We recommend you always turn off (or turn down) monitoring loudspeakers while recording, and use headphones when overdubbing.
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HARDWARE FEATURES
Front Panel
1 2 5 8 9 10
3 7 4 6 11
The front panel includes the input connectors for mic and line/instrument signals, and the input gain and monitoring controls.
1. Input 1 – electronically balanced input via 3-pin XLR socket for microphones.
2. GAIN 1 – adjust the gain for the microphone signal at Input 1. The gain controls have tri-colour
LED ‘rings’ to confirm signal level: green indicates an input level of at least -24 dBFS (i.e.,
‘signal present’), the ring turns amber at -6 dBFS to indicate the signal is close to clipping, and red at 0 dBFS (digital clipping).
3. 48V – phantom power switch for mic input - enables 48 V phantom power at the XLR socket.
4. Input 2 – ¼” TRS jack socket to connect both instruments (unbalanced TS jack) or mono line level (balanced) sources.
5. GAIN 2 – adjusts the gain for the line/instrument signal at Input 2. The gain control has a tricolour LED ring as [2].
6. INST/LINE – Instrument/Line level switch for Input 2 – switches gain to suit instrument or line level signals. ‘INST’ illuminates red when Instrument mode is selected. Note that INST mode may also be selected from Focusrite Control.
7. AIR – switch enabling AIR mode for the mic input. AIR modifies the frequency response of the input stage to model the classic, transformer-based Focusrite ISA microphone preamps.
‘AIR’ illuminates yellow when the mode is selected. Note that AIR may also be selected from
Focusrite Control.
8. MONITOR – main monitor output level control - sets the output level at the rear panel outputs and the front panel headphone output.
9. USB LED – a green LED illuminates when the Scarlett is connected and recognised by your computer.
10. DIRECT MONITOR – selects monitoring of input signals (mixed with the DAW output) to be directly from inputs (ON) or via the DAW (OFF).
11. – ¼” TRS output jack. If your headphones have a ¼” TRS jack plug, connect them directly; if they have a 3.5 mm TRS “mini jack”, use a TRS ¼”-to-3.5 mm jack adaptor. Note that it is likely headphones fitted with 4-pole TRRS plugs will not operate correctly.
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Back Panel
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RIGHT LEFT
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12. K (Kensington security lock) – secure your Scarlett Solo to a suitable structure if desired.
13. USB 2.0 port – Type C connector; connect the Scarlett Solo to your computer with the cable supplied.
14. LINE OUTPUTS: LEFT and RIGHT – 2 x ¼” (6.35 mm) TRS jack sockets; +10 dBu output level
(variable), electronically balanced. Either ¼” TRS (balanced connection) or TS (unbalanced connection) jack plugs can be used.
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SPECIFICATIONS
Performance Specifications
All performance figures measured in accordance with the provisions of AES17, as applicable.
44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz Supported sample rates
Microphone Input
Dynamic Range
Frequency Response
THD+N
Noise EIN
Maximum Input Level
Gain Range
Input impedance
Line Input
Dynamic Range
Frequency Response
THD+N
Maximum Input Level
Gain Range
Input impedance
Instrument Input
Dynamic Range
Frequency Response
THD+N
Maximum Input Level
Gain Range
Input impedance
Line Outputs
Dynamic Range
Maximum Output Level (0 dBFS)
THD+N
Output impedance
Headphone Output
Dynamic Range
Maximum Output Level
THD+N
Output impedance
111 dB (A-weighted)
20 Hz to 20 kHz ±0.1 dB
< 0.0012% (minimum gain, -1 dBFS input with 22 Hz/22 kHz bandpass filter)
-128 dB (A-weighted)
+9 dBu
56 dB
3 kΩ
110.5 dB (A-weighted)
20 Hz to 20 kHz ±0.1 dB
< 0.002% (minimum gain, -1 dBFS input with 22 Hz/22 kHz bandpass filter)
+22 dBu at minimum gain
56 dB
60 kΩ
110 dB (A-weighted)
20 Hz to 20 kHz ±0.1 dB
< 0.03% (minimum gain, -1 dBFS input with 22 Hz/22 kHz bandpass filter)
+12.5 dBu at minimum gain
56 dB
1.5 MΩ
108.5 dB (A-weighted)
+15.5 dBu at minimum gain; balanced outputs
< 0.002% (maximum level, -1 dBFS input with 22 Hz/22 kHz bandpass filter)
430 Ω
104 dB (A-weighted)
+7 dBu
< 0.002% (maximum level, -1 dBFS input with 22 Hz/22 kHz bandpass filter)
< 1 Ω
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Physical and Electrical Characteristics
Analogue Input 1
Connector
Phantom power
AIR function
Analogue Input 2
Connector
Line/Instrument switching
Analogue Outputs
Main outputs
Stereo headphone output
Output level control
(Main and headphone)
Direct Monitoring
Other I/O
USB
Front Panel Indicators
USB power
Gain Halos
Phantom power
Instrument mode
AIR mode
Direct Monitor mode
Weight and Dimensions
W x H x D
Weight
Balanced, via female 3-pin XLR on front panel
48 V phantom power switch
Front panel switch or via Focusrite Control
¼” (6.35 mm) jack socket on front panel
INST mode: unbalanced, 2-pole (TS)
LINE mode: balanced (TRS)
Front panel switch or via Focusrite Control
Balanced, 2 x ¼” TRS jacks on rear panel
¼” TRS jack on front panel
On front panel
Front panel switch; allows zero-latency monitoring of inputs
1 x USB 2.0 Type C connector
Green LED
Tri-colour LED rings ( with GAIN controls)
Red LED
Red LED
Amber LED
Green LED
143.5 mm x 43.5 mm x 95.8 mm
5.65 in x 1.71 in x 3.77 in
320 g
0.71 lb
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TROUBLESHOOTING
For all troubleshooting queries, please visit the Focusrite Help Centre at support.focusrite.com
.
COPYRIGHT AND LEGAL NOTICES
Full Terms and Conditions of the Warranty can be found at focusrite.com/warranty .
Focusrite is a registered trade mark and Scarlett Solo and Scarlett Solo Studio are trade marks of
Focusrite Audio Engineering Limited.
All other trade marks and trade names are the property of their respective owners.
2021 © Focusrite Audio Engineering Limited. All rights reserved.
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Key Features
- 2 inputs and 2 outputs
- High-quality Focusrite analogue preamps
- AIR function on each channel
- High headroom instrument input
- Gain Halo meters on both inputs
- Balanced outputs
- Class compliant on macOS