31
USB
D+
D-
Vbus
GND
REG
AUX SEND 1
[+4dBu]
L
MONITOR OUT
[+4dBu]
R
PHONES
[3mW,40ohms]
USB IN(L)
USB IN(R)
R
L
YE
CH Fader
[-10dBu]
BA
USB OUT (L)
USB OUT (R)
RE
+48V
PHANTOM
MIC
[-60 to -16dBu]
[-34 to +10dBu]
[-34 to +10dBu]
LINE R
LINE L/MONO
AUX1
[-6dBu]
TH+GAIN
COMP
CH1 to 8
LED Meter
SUM
DR
AUX2
[-6dBu]
AUX4
[-6dBu]
BAL/PAN
[-6dBu]
STEREO
2TR IN
HPF
[0dBu] HPF
MIC
[-60 to -16dBu]
LINE
INSERT
I/O
[-34 to +10dBu]
[0dBu]
CH INPUT
(CH1 to 12)
HA
[16 to 60dB]
GAIN Trim
HPF
[-34 to +10dBu]
HPF
MIC
[-60 to -16dBu]
ST CH INPUT
HA
(CH13/14, 15/16)
HA HPF
HPF
ST CH INPUT
(CH17/18, 19/20)
[-34 to +10dBu]
LINE L
[-34 to +10dBu]
LINE R
[-34 to +10dBu]
[0dBu] CH9 to 12
RE
PEAK
Hi G
Mid G
Lo G
3-Stage EQ
Mid f
HA
[0dBu]
[6 to 50dB]
GAIN Trim
HA
Hi
Mid
Lo
3-Stage EQ
3-Stage EQ
RE
PEAK
[0dBu]
YE
ON
[0dBu]
R
L/MONO
RETURN
(RETURN1/2)
[+4dBu]
HA
[0dBu]
HA
[6 to 50dB]
GAIN Trim
INV
INV
[0dBu]
[0dBu]
L
R
2TR IN
[-10dBV]
[-7.8dBu]
[-10dBu]
BA
CH Fader
BA
[0dBu]
PAN
ST
G1–2
G3–4
[0dBu]
[0dBu]
[0dBu]
AUX3
[-6dBu]
PRE
PRE
+15V PFL
[0dBu]
ST
G1–2
[0dBu]
G3–4
[0dBu]
[-6dBu]
AUX 1
[-6dBu]
AUX 2
AUX 3
[-6dBu]
AUX 4
[-6dBu]
PFL
+15V
ST CH INPUT 17/18-19/20
— Same as ST CH INPUT 13/14-15/16
AUX 1
[-14dBu]
AUX 2
[-14dBu]
ST/MONITOR
[-6dBu]
AUX1
AUX2
AUX3
AUX4
STEREO L
STEREO R
GROUP 1
GROUP 2
GROUP 3
GROUP 4
PFL L
PFL R
PFL CTRL
SUM
SUM
SUM
SUM
[0dBu]
GROUP Fader
[0dBu] [-10dBu]
BA
BA
GROUP Fader
[0dBu] [-10dBu]
BA
BA
TO STEREO
SUM
SUM
SUM
1
GROUP OUT
[+4dBu]
2
3
4
1-2/3-4
[-10dBu]
ST Fader
BA
BA
[0dBu] [0dBu]
SUM
R
STEREO OUT
[+4dBu]
LREC OUT
[-10dBV]
[-7.8dBu]
MONI/PHONES
[-16dBu]
INV
INV
[0dBu]
LED Meter
SUM
DR
ST/GROUP
[0dBu]
SUM
[0dBu]
SUM
[-6dBu]
BA
AUX SEND 1
[-6dBu][0dBu]
SUM
AUX SEND 2 to 4 — Same as AUX SEND 1
MONITOR MIX
[0dBu]
[0dBu] LIN
RIN
LO
RO
USB IN(L)
USB IN(R)
USB OUT(L)
USB OUT(R)
LPF
LPF
LPF
LPF
USB
AUDIO
(Bus Powered)
12MHz
PCM2900
+20dBu
+30dBu
0dBu
+10dBu
-20dBu
-10dBu
-30dBu
+20dBu
+30dBu
0dBu
+10dBu
-20dBu
-10dBu
-40dBu
-30dBu
-60dBu
-50dBu
CH IN LINE Gain:Min [+10dBu]
CH IN MIC Gain:Min [-16dBu]
CH IN LINE Gain:Max [-34dBu]
CH IN MIC Gain:Max [-60dBu]
Clip Level
ST CH IN LINE Gain:Min [+10dBu]
ST CH IN MIC Gain:Min [-16dBu]
ST CH IN LINE Gain:Max [-34dBu]
ST CH IN MIC Gain:Max [-60dBu]
Clip Level
ST CH IN
[-10dBu]
Clip Level
RETURN [+4dBu]
[-7.8dBu]
2TR IN [-10dBV]
CH Level
ST CH Level
[Nominal:-10dB]
Clip Level
CH AUX *1
[Nominal:-6dB]
ST CH AUX *1
[Nominal:-6dB]
RETURN
2TR IN
[Nominal:-6dB]
Clip Level
AUX SEND *1
[Nominal:-6dB]
AUX SEND *1 [+4dBu]
Clip Level
GROUP OUT [+4dBu]
GROUP Fader
[Nominal:-10dB]
ST Master
[Nominal:-10dB]
Clip Level
ST OUT [+4dBu]
REC OUT [-7.8dBu]
Clip Level
MONI/PHONES
[Nominal:-16dB]
MONITOR OUT [+4dBu]
PHONES [3mW @ 40ohms]
PRE
PRE
SUM
SUM