1. LINE INPUTS 5 to 8 – four balanced analogue line inputs for Channels 5 to 8, on ¼” TRS jack
sockets. Connect further line level signals here using ¼” TRS (balanced) or TS (unbalanced)
jack plugs.
2. 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 connecting additional line level equipment (e.g., outboard FX processors). The
signals routed to all the outputs may be defined in Focusrite Control.
3. 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 4Pre USB and appear within Focusrite Control as Inputs 11 to 18. This
input can also be configured to work with an optical S/PDIF source. Note that this input is
disabled at 176.4/192 kHz sample rate.
4. – USB-C™ connector; connect the Clarett 4Pre USB to your computer with the supplied
USB-C to USB-C or USB-C to USB-A cable.
5. 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.
6. SPDIF IN and OUT – two RCA sockets carrying two-channel digital audio signals in or out of
the 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.
7. External DC power input – power the Clarett 4Pre USB via the separate AC adaptor (PSU)
supplied. The PSU is a 12 V DC unit rated at 2 A.
8. Power On/Off switch.
9. Kensington security slot– secure your Clarett 4Pre USB to a suitable structure if desired.
Please see http://www.kensington.com/kensington/us/us/s/1704/kensington-security-slot.
aspx for further information on how to use this feature.
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General
Weight and Dimensions
