• 8 balanced mic/line-input channels.
• Independent CD/tape input; signal is routed via channel EQ.
• Power: 300 W into 4 ohms.
• Built-in 3-spring reverb.
• 4-band equalization on all channels.
• 10-band graphic master EQ.
• Peak LEDs for each channel.
• Input trim control on each channel.
• 2 Aux sends per channel.
• 4 Aux returns with front-panel level controls.
• 48 V phantom power selectable for mic input connectors.
• Protection relay circuitry to prevent noise when powering on.
• Extremely portable format with carry handle and
protective corners.
• Rackmountable with rack ears included.
• Rear-panel amp in and preamp output.
• 2 speaker outputs.
• Master monitor and reverb level controls.
• Built-in headphone amp with 1/4
″
stereo connector and
independent level control.
• Front-panel output signal level meter.
S83
A M P L I F I E R
MIXER
The S83 Mixer Amplifier combines a monophonic
8-input mic/line mixer with a dedicated power amp
producing 300 watts into 4 ohms. Portable or easily
installed into a rack, the S83 takes up only 4 spaces
with the optional rack ears included. Equipped with 4-
band equalization on each channel and a 10-band
graphic EQ on the main output, the S83 is an ideal all-
in-one device for recording, live concert and contract-
ing applications. It also features 8 electronically bal-
anced mic/line inputs (XLR-type and 1/4
″
connectors),
a CD/tape input (phono connectors), switchable 48
volts phantom power, internal reverb, 2 Aux sends
and 4 Aux returns, along with amp in and preamp and
monitor out patch points.
S83 MIXER AMPLIFIER
8 CHANNEL 300 WATT 4
Ω
SAMSON TECHNOLOGIES CORP., HICKSVILLE, NEW YORK
EFFECT RETURNS
EFFECT SENDS
MON OUT
1
2
2
4
1
3
AMP IN
PRE AMP OUT
SPEAKER OUTPUT
+4dB
10K
Ω
+4dB
600
Ω
+4dB
600
Ω
+4dB
47K
Ω
LEFT
RIGHT
CD/TAPE
IN
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
!
o
FU
SE
120 VOLT 6 AMP
220 VOLT 3.5 AMP
TO PREVENT SHOCK,
DO NOT OPEN. NO USER
SERVICABLE PARTS
INSIDE. REFER SERVIC-
ING TO QUALIFIED SERVICE
PERSONNEL. TO PREVENT
FIRE OR SHOCK HAZARD
DO NOT EXPOSE TO RAIN
OR MOISTURE
CAUTION
HEATSINK MAY BE HOT!
DO NOT BLOCK AIRFLOW
OR OVERHEATING MAY
OCCUR
SERIAL NUMBER
POWER RATING
120V/60Hz 450 W
POWER
FUSE
ON
OFF
-12
+12
2.5K
0
-15
+15
HIGH
0
-12
+12
500Hz
0
-15
+15
LOW
0
+15
LEVEL
0
+10
EFF1 MON
0
+4
-40
TRIM
0
10
+10
EFF2 REV
0
LINE
MIC
CHANNEL 1
PEAK
LOW
+15
LEVEL
0
+10
EFF1 MON
0
+4
-40
TRIM
0
10
+10
EFF2 REV
0
LINE
MIC
CHANNEL 2
PEAK
LOW
+15
LEVEL
0
+10
EFF1 MON
0
+4
-40
TRIM
0
10
+10
EFF2 REV
0
LINE
MIC
CHANNEL 3
PEAK
LOW
+15
LEVEL
0
+10
EFF1 MON
0
+4
-40
TRIM
0
10
+10
EFF2 REV
0
LINE
MIC
CHANNEL 4
PEAK
LOW
+15
LEVEL
0
+10
EFF1 MON
0
+4
-40
TRIM
0
10
+10
EFF2 REV
0
LINE
MIC
CHANNEL 5
PEAK
LOW
+15
LEVEL
0
+10
EFF1 MON
0
+4
-40
TRIM
0
10
+10
EFF2 REV
0
LINE
MIC
CHANNEL 6
PEAK
LOW
+15
LEVEL
0
+10
EFF1 MON
0
+4
-40
TRIM
0
10
+10
EFF2 REV
0
LINE
MIC
CHANNEL 7
PEAK
LOW
−∞
+15
LEVEL
0
−∞
+10
EFF1 MON
0
+4
-40
TRIM
0
10
−∞
+10
EFF2 REV
0
LINE
MIC
CHANNEL 8
PEAK
8 CHANNEL MIXER 300 WATT AMPLIFIER
-18
-12
-8
-5
-3
0
+2
PHANTOM
PROTECTION
POWER
30Hz
64Hz
125Hz 250Hz 500Hz
1K
2K
3K
5K
10K
+15dB
0dB
-15dB
30Hz
64Hz
125Hz 250Hz 500Hz
1K
2K
3K
5K
10K
PHANTOM
+10
RETURN 1-2
0
MAIN LEVEL
+10
RETURN 3-4
0
0
10
HEADPHONES
0
10
REVERB
−∞
+10
MONITOR
0
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
-12
+12
2.5K
0
-15
+15
HIGH
0
-12
+12
500Hz
0
-15
+15
0
-12
+12
2.5K
0
-15
+15
HIGH
0
-12
+12
500Hz
0
-15
+15
0
-12
+12
2.5K
0
-15
+15
HIGH
0
-12
+12
500Hz
0
-15
+15
0
-12
+12
2.5K
0
-15
+15
HIGH
0
-12
+12
500Hz
0
-15
+15
0
-12
+12
2.5K
0
-15
+15
HIGH
0
-12
+12
500Hz
0
-15
+15
0
-12
+12
2.5K
0
-15
+15
HIGH
0
-12
+12
500Hz
0
-15
+15
0
-12
+12
2.5K
0
-15
+15
HIGH
0
-12
+12
500Hz
0
-15
+15
0
+10
0
−∞
SAMSON
S83 MIXER AMPLIFIER
Contact:
Samson Technologies Corp., P.O. Box 9031, Syosset, NY 11791-9031 • Phone: (516) 364-2244 • Fax: (516) 364-3888 • www.samsontech.com
