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Apollo x4 Hardware Manual 34
Hardware Block Diagram
Apollo x4 Hardware Block Diagram
V02
INPUT GAIN
10 – 65 dB
INPUT CHANNELS 1-2
A/D
HEADPHONES OUT
SHARC®
DSP
DRAM
SHARC®
DSP
DRAM
ARM®
PROCESSOR
1/4” TRS
MIXER
CLOCKING / SYNC
SYSTEM CONTROL
ø
LOW-CUT
ON/OFF
POLARITY
CONTROL
OUTPUT
VOLUME
S/PDIF, ADAT/SMUX
OPTICAL INPUT
TOP PANEL
THUNDERBOLT
TM
3
HOST INTERFACE
+48V
MIC IN
MIC PAD
IN/OUT
+48V ON/OFF
INPUT GAIN
10 – 65 dB
PAD
A/D
XLR FEMALE
LINE IN
1/4” TRS
ø
LOW-CUT
ON/OFF
POLARITY
CONTROL
MIC/LINE
SELECT
DSP
DSP
EEPROM
INTERNAL
TALKBACK MIC
SHARC®
DSP
DRAM
SHARC®
DSP
DRAM
TYPE-C
HI-Z AUTOMATICALLY
SELECTED IF PLUG
INSERTED IN HI-Z JACK
Unison™
IMPEDANCE
SWITCHING
(MIC)
VCO
CLOCK
OSCILLATOR
PLL
AUDIO
CLOCKS
INPUT CHANNELS 3-4
MONITOR OUTPUTS L/R
D/A
MONITOR OUT
1/4” TRS
LINE OUTPUTS 1-4
D/A
+4dBu / -10dBV
SELECT
PAD
LINE OUT
Pad Works on
Stereo Pairs
1/4” TRS
HI-Z IN
MIC IN
MIC PAD
IN/OUT
+48V ON/OFF
PAD
MIC/LINE
SELECT
LINE IN
XLR FEMALE
1/4” TS
1/4” TRS
MIC-LINE/HI-Z
SELECT
+48V
Unison™
IMPEDANCE
SWITCHING
(HI-Z)
Unison™
IMPEDANCE
SWITCHING
(MIC)
DSP
DSP
HEADPHONES 1-2 L/R
S/PDIF, ADAT/SMUX
OPTICAL OUTPUT
TOSLINK
TOSLINK
DUO
QUAD
OUTPUT
VOLUME
D/A
DSP
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