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Suggested Performance Application
The following illustration shows the basic interconnections between an SD8 and external equipment when used in a
typical live performance application:
SIGNAL PROCESSOR
SD8 STEREO MIXER AMPLIFIER
AUX RETURN
2 (+4dBu 10K ) 1
PHANTOM
POWER
+48V
R (+4dBu <75 ) L
POWER
O
ON
R (+4dBu 10K ) L
OFF
SPEAKER OUT
R MINIMUM 4
CAUTION
RISK OF ELECTRIC SHOCK
!
DO NOT OPEN
AC INPUT
115V 50/60Hz
The main connections here involve connecting the SD8 speaker outputs to PA speakers and the Monitor output to the
input of an external amplifier driving onstage monitors. Various microphones and line level signals are connected to
channel mic and line inputs and a CD or tape player is connected to the CD/Tape input. An external signal processor is
connected to Aux Send 2, with the resulting processed signal returned to Aux Returns 1 and 2.
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
PEAK
PEAK
PEAK
O
O
O
O
+10
+10
+10
+10
LEVEL
LEVEL
LEVEL
LEVEL
O
O
O
O
O
O
O
+10
-15
+15
+10
-15
+15
+10
-15
+15
+10
AUX1/MON
HIGH
AUX1/MON
HIGH
AUX1/MON
HIGH
AUX1/MON
O
O
O
-12
+12
-12
+12
-12
+12
DSP AUX2
MID
DSP AUX2
MID
DSP AUX2
MID
DSP AUX2
0
0
0
0
O
O
O
-15
+15
-15
+15
-15
+15
-6
-50
LOW
-6
-50
LOW
-6
-50
LOW
-6
-50
+14
-20
+14
-20
+14
-20
+14
-20
TRIM
TRIM
TRIM
TRIM
L
L
L
R
R
R
PAN
PAN
PAN
LINE
LINE
LINE
LINE
MIC
MIC
MIC
LINE
LINE
3
MIC 1 MIC 2
MIDI TONE GENERATOR
AUX SEND 1
(+4dBu <75 )
PRE OUT
AUX SEND 2
(+4dBu <75 )
MON OUT
(+4dBu <75 )
AMP IN
L
TAPE/CD IN
CH8
CH7
CH7
SERIAL NUMBER
CHANNEL 5
CHANNEL 6
CHANNEL 7
CHANNEL 8
PEAK
PEAK
PEAK
PEAK
PEAK
O
O
O
O
+10
+10
+10
+10
LEVEL
LEVEL
LEVEL
LEVEL
O
O
O
O
O
O
O
O
O
-15
+15
+10
-15
+15
+10
-15
+15
+10
-15
+15
+10
-15
+15
HIGH
HIGH
HIGH
AUX1/MON
AUX1/MON
AUX1/MON
HIGH
AUX1/MON
HIGH
32Hz
O
O
O
O
O
-12
+12
-12
+12
-12
+12
-12
+12
-12
+12
DSP AUX2
MID
MID
DSP AUX2
MID
DSP AUX2
MID
DSP AUX2
MID
0
0
0
0
O
O
O
O
O
32Hz
-15
+15
-15
+15
-15
+15
-15
+15
-15
+15
LOW
-6
-50
LOW
-6
-50
LOW
-6
-50
LOW
-6
-50
LOW
+14
-20
+14
-20
+14
-20
+14
-20
TRIM
TRIM
TRIM
TRIM
L
L
R
L
R
L
R
L
R
R
PAN
PAN
PAN
PAN
PAN
LINE
LINE
LINE
LINE
MAIN LEVEL
MIX
DSP
MIC
MIC
MIC
MIC
MIC
D S P
P O W E R E D
4
CD OR DAT
SAMSON
15
SAMSON
SD8 STEREO MIXER AMPLIFIER
-15
-9
-6
-3
0
+3
+6
L
R
-15
-9
-6
-3
0
+3
+6
PHANTOM
PROTECT
POWER
8 CHANNEL STEREO MIXER 250 WATT AMPLIFIER
64Hz
125Hz
250Hz
500Hz
1K
2K
4K
8K
16K
+12dB
0dB
-12dB
64Hz
125Hz
250Hz
500Hz
1K
2K
4K
8K
16K
O
O
O
+10
+10
+10
+10
RETURN 1-2
MONITOR
HEADPHONES
8 9
8 9
10
10
7
11
7
11
6
6
O
12
12
5
13
5
13
14
14
4
4
+10
3
15
3
15
16
16
2
1
2
1
PRESET
EFFECT
MIDI KEYBOARD
SAMSON
L
R
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