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BiG SiX User Guide
Console Overview
7
Detailed Description
SuperAnalogue Mono Channels
There are four SuperAnalogue mono channels on BiG SiX; each channel has identical facilities. This
section explains the features found in each.
SuperAnalogue Pre-Amp input
BiG SiX’s pre-amp is a wide gain range SuperAnalogue design inherited from SiX and developed
from the mic pre-amps of the larger SSL Duality and AWS consoles. In these consoles, line and mic
inputs are served by separate pre-amps. In BiG SiX, a wide gain range, ultra low noise SuperAnalogue
design provides both Line and Mic facilities with a [Line] gain range switch to cover a wide range of
source levels.
The pre-amp consists of a microphone input (XLR) and line level input (¼” TRS Jack Socket).
Mic Input (XLR)
The default microphone input uses SSL’s SuperAnalogue design and includes individually switched 48 V phantom power. The Mic
(XLR) input’s nominal impedance is 1.2 kΩ.
Line Input (¼” TRS)
The XLR is the default source input, the source can be switched to the ¼” TRS jack line input by pressing the ‘LINE’ switch on the
channel. The nominal Line Input impedance is 10 kΩ this can be changed to 1 MΩ using the Hi-Z switch. This input impedance
makes this input suitable for very high impedance sources such as passive guitar pickups without the need for an external DI box.
The Gain control adjusts either the microphone pre-amp gain (+6 dB to +72 dB), or the Line amp gain (-3 dB to +63 dB), depending
on the selected input source. Following the pre-amplier is a switched 12 dB/oct, 75 Hz High Pass Filter (HPF) to reduce unwanted
LF such as Microphone Rumble, AC noise etc.
USB Return (From USB 'n')
These are the D/A Converter outputs from USB Returns 1-4 and they are selectable as unity gain inputs after the Mic/Line Pre-Amp
and are before the polarity invert and High Pass Filter (HPF) sections as shown in the block diagram below.
Input Section Block Diagram
Ø
USB RTN
15/16
TO EXT 2
L
R
USB RTN
13/14
TO EXT 1
EXT 1
EXT 2
PFL
PFL
ALT
DIM
GAIN
+48V
48V
MIC
+dB
+6 to +72dB
[-3 to +63dB]
+
-
+
-
SEND
PAN
LEVEL
ST CUE 1
to 0dB
BALANCE
BUS B
+
-
L
R
to 0dB
SUPER ANALOGUE IN (1 of 4)
SSL BiG SiX
Drawn: NF
Revison: 11.d
Date: 29.3.2021
S/C
VCA
VCA
S/C
VCA
VCA
HI-Z
HPF
BELL
BELL
LF
HF
EQ IN
RETURN
PAN
MAIN
BUS B
L R
L R
L R
MIX AFL
L R
MAIN
BUS B
L R L R
L R
MIX
L R
ST CUE 1
ST CUE 2
L R
PFL
POST
ON
PAN
to 0dB
POST
ON
MAIN
BUS B
ON
POST
LEVEL
ST CUE 2
to 0dB
ON
POST
PFL
+
-
+
-
SEND
RETURN
+
-
+
-
SEND
RETURN
IN
+
-
ST CUE 1
+
-
EXT 1
+
-
L
R
+
-
EXT 2
+
-
STEREO IN (1 of 4)
MUTE
LEVEL
+
-
L
to +10dB
+
-
R
LEVEL
to +20dB
LEVEL
to +20dB
BUS COMP to
∑ ST CUE 1
MAIN
BUS B
EXT 1
EXT 2
L R
L R
MIX
L R
MON
PFL
PFL
PFL
3dB
+
MONO
CUT
-3 to -30dB
LEVEL
to 0dB
LEVEL
+
-
+
-
ALT MON
L
R
Headphone Jack 1
ST CUE 2ST CUE 1
to 0dB
LEVEL
PHONES 1
MONITOR
+
-
+
-
STEREO
CUE 1 OUT
1L
1R
+
-
+
-
STEREO
CUE 2 OUT
2L
2R
to +10dB
LEVEL
ST CUE 1
to +10dB
LEVEL
ST CUE 2
COMP
IN
+45dB
+
-
LEVEL
to 0dB
+48V
48V
TALK INPUT
IN
TB
LMC
T/HOLD
INSERT
INSERT
EXT IN
MAIN
OUT
T/HOLD
MAKE UP
MONITOR
75 Hz
ST CUE 2
1.2K
LEVEL
ST CUE 1
LEVEL
ST CUE 2
-9dB
1M
+20dB
MON SOURCE
CUE OUTPUTS
10K
LINE
MAIN MON
L
R
USB
SEND
15/16
USB
SEND
13/14
USB
SEND
1..4
USB
POST
FADER
USB
SEND
5,7
USB
POST
FADER
USB
SEND
6,8
USB
RETURN
1..4
EXT 1
EXT 2
TALK
L R
L R
MIX
L R
CUE 1
USB RTN
13
EXT 1
EXT 2
TALK
L R
L R
MIX
L R
CUE 2
USB RTN
14
USB RTN
15
USB RTN
16
USB
EQ IN
USB
SEND
9
CUE TO USB
CUE 1 TO 9/10
USB
SEND
10
USB
SEND
11
CUE TO USB
CUE 2 TO 11/12
USB
SEND
12
AUTO
RLS
-10 to + 20dB
dB
TRIM
dB
+
-
INPUT
+
-
L
R
USB
RETURN
5..11
USB
RETURN
6..12
+
MONO
MF
Headphone Jack 2
ST CUE 2ST CUE 1
to 0dB
LEVEL
PHONES 2
LF
HFMF
L
R
SUM IP
TO MAIN
LINE
USB
STEREO IN
5..11
STEREO IN
6..12
G SERIES BUS COMP
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