8
Apogee Ensemble Thunderbolt | User’s Guide
Rear Panel
1. Inputs 1-4:
Combination (combi) jacks receive XLR or 1/4”
connectors
a� Use XLR for a microphone or line level input�
b� Use 1/4” for high-impedance (Hi-Z) instrument�
2. Inputs 5-8:
XLR for microphones or line level inputs�
3. Analog Inserts: Channels 1 & 2 (page 31)
a� Send (top) - can use balanced TRS or
unbalanced TS 1/4” cables�
b� Return (bottom) - can use balanced TRS or
unbalanced TS 1/4” cables�
4. Monitor Out:
Balanced TRS outputs for connecting monitor
speakers�
5. Analog Out:
Balanced outputs 3-10�
Requires a 25-pin D-Sub
analog breakout cable�
6. Digital I/O: (page 33)
a� Optical (Toslink): Two In/Out Ports
i� ADAT, 8-channels per
port, 44�1-48k sample
rate�
ii� SMUX, 4-channels per port, 88�2-96k
sample rate�
iii� S/PDIF, 2-channels per port, 44�1-96k
sample rate�
b� Coaxial
i� Provides 2-channels of audio
at sample rates of 44�1 - 192k�
7. BNC Word Clock:
Used to transmit or receive word
clock signal between Ensemble and
other digital devices (page 38)�
8. Thunderbolt 2:
• Two ports for daisy chaining
up to six devices�
• It does not matter which
position Ensemble is placed
in the chain�
• Backwards compatible with Thunderbolt 1 (see
Thunderbolt Notes on page 13)�