Focusrite Clarett+ 2Pre - Using the Optical Connections

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2. Using the optical connections
In addition to two analogue inputs, the Clarett+ 2Pre has an ADAT input port (OPTICAL IN) which
can provide eight additional 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 – such as the Clarett
OctoPre – provides a simple method of expanding the Clarett+ 2Pre’s input capability.
A
C ON
L
Y 100-240V~ 50/60Hz 30W
W
ORD CLOCK
IN
OUT
LINE OUTPUTS
8
7
6
5
4
3
MIC/LINE INPUTS
CET AP
P
AREIL DOIT ETRE MIS A LA TERRE
P
AR LE CORDON D’ALIMEN
TA
TION
THIS EQUIPMENT MUST BE EA
R
THED BY THE POWER CORD
W
ARNING /
A
VE
R
TISSEMENT
IN
OUT
A
D
A
T
INSE
R
T 8
INSE
R
T 7
INSE
R
T 6
INSE
R
T 5
INSE
R
T 4
INSE
R
T 3
192
3-4
1-2
96
5-8
1-4
48
1-8
2
1
INSE
R
T 1/2
TIP = SEND RING = RETURN
R
12V
1.5A
OPTI
C
AL IN
MIDI OUT
MIDI IN
LINE OUTPUTS
1
2
3
4
R
To inputs 1 & 2
on front panel
Up to 10 Mic/Line Sources
To inputs 1 & 2
on front panel
Clarett+ Octopre
8 channel Mic Amp
Optical ADAT connection (TOSLINK)
Computer running DAW
and Focusrite Control
The Clarett OctoPre’s OPTICAL OUT port is connected to the Clarett+ 2Pre’s OPTICAL IN port with a
single TOSLINK optical cable. The two devices must be synchronised to ensure audio passes cleanly,
without clicks and pops. To do this in Focusrite Control go to Device Settings and set the Clock
Source to ADAT. Both devices must be set to the same sample rate.
You can route the additional ADAT inputs in the same way as other inputs in Focusrite Control. The
ADAT inputs can form part of any musician’s headphone mix, as needed.