DESCRIPTION OF AMPLIFIERS
11
Manual del Usuario
/ SF series /
User’s Manual
1
) SIGNAL INPUT :
XLR type input signal connectors. As the LOOP THRU connector, they are balanced with the following
pin assignments:
1=GND (Ground).
2=(+) Non inverted input.
3=(-) Inverted input.
2
) LOOP THRU :
XLR type output signal connector for connecting several units together and sending them all the same
input signal.
3
) SIGNAL / LIMIT :
Two color LED which indicates that there is signal presence if it shines green or indicates amplifier
saturation and the amplifier limiter is activated, if it shines red.
4
) IDENTIFY / COMMS :
Orange LED that shines flashing when we push IDENTIFY (to identify the unit) or blink faster if there is
TM
communication with
DASnet
.
5
) ON / PROTECT :
Two color LED indicates that the unit is ON if it shines green and protection if it shines red.
NUMBER OF UNITS
UNIT NAME
STAGE / VENUE
HIGH PASS FILTER
100-230 V~ 50/60Hz 420W
AC INPUT
MAX. 7@230V / 3@115V UNITS SF-20A
AC OUTPUT
www.dasaudio.com
CAUTION
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
RISK OF ELECTRIC SHOCK
DO NOT OPEN
9
10
SF-1521A
SF-20A (LT/RT)
SIGNAL INPUT
IDENTIFY/COMMS
LOOP THRU
OFF
160Hz
SF-1521A
ON/PROTECT
SIGNAL/
LIMIT
NUMBER
OF UNITS
4
3
2
1
IN
OUT
ID DASNET
DJ
mon
Main
PA
HPF
PRESET
HIGH PASS
FILTER
DAS Audio Group, S.L. (Valencia)
MADE IN SPAIN
SOUND
FORCE
MODEL: SF-20A
11
2
6
8
5
4
3
7
1
IDENTIFY/COMMS
SIGNAL/
LIMIT
ON/PROTECT
IN
OUT
ID DASNET
CAUTION
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
RISK OF ELECTRIC SHOCK
DO NOT OPEN
SIGNAL INPUT
LOOP THRU
www.dasaudio.com
UNIT NAME
STAGE / VENUE
NOTES
LOW PASS FILTER
SYSTEM
GAIN
+4dB
+2dB
0dB
-2dB
DJ
mon
Main
PA
SF-20A
160Hz
125Hz
LPF
PRESET
LOW PASS
FILTER
100-230V~ 50/60Hz
920W
AC INPUT
MAX. 2@230V/1@115V
UNITS SF-1521A
AC OUTPUT
SOUND
FORCE
MODEL: SF-1521A
DAS Audio Group, S.L. (Valencia)
MADE IN SPAIN
6
4
7
9
8
10
5
3
1
2
11
