DLS Svenska AB A3 User Manual
WIRING EXAMPLES DLS A3
On the following pages you find some examples of how to connect the amplifier for different use. The drawings
show normal level and filter settings. The two channels are divided into two separate mono amplifiers. There
are separate DC inputs for each channel but they are internally connected with each other. You can feed the
amplifier with double DC feeds if you want a minimum of voltage drop, or you can also use the extra DC-input
for the connection of a Power capacitor as in the example.
show normal level and filter settings. The two channels are divided into two separate mono amplifiers. There
are separate DC inputs for each channel but they are internally connected with each other. You can feed the
amplifier with double DC feeds if you want a minimum of voltage drop, or you can also use the extra DC-input
for the connection of a Power capacitor as in the example.
DLS A3 can be connected in different ways:
1. As a stereo amplifier connected with a speaker system of coaxial, 2-way or 3-way type.
Two speaker systems can be connected in parallel, one front and one rear system.
Two speaker systems can be connected in parallel, one front and one rear system.
2. As a subwoofer amplifier with max two 4 ohm subwoofers in mono bridge mode. The built-in lowpass
filter is used. (Connect to L+ and R-).
filter is used. (Connect to L+ and R-).
1. In stereo with one front and
one rear speaker system.
one rear speaker system.
You can use all DLS coaxial, 2-way or
3-way speaker systems in this
example. Speaker impedance must be
4 ohm.
3-way speaker systems in this
example. Speaker impedance must be
4 ohm.
For power cable, speaker cable and
fuse size selection see page 4.
fuse size selection see page 4.
FM
1 107,3
Pre out
HP-filter
HP-filter
LP-filter
Phase LP-filter
LEVEL
SPEAKERS
+LEFT- +RIGHT-
3,5V
7,0V 0,2V
OUT
IN
0
+180
SIGNAL INPUT
LEFT RIGHT
90
15 125
OUT
IN
100
20 200
+
-
+
-
+
-
+
-
Button out
Fuse
150 A
150 A
Power
capacitor
capacitor
Fan12 V
RIGHT FUSES
30 A x 2
30 A x 2
30
30
30
30
LEFT FUSES
30 A x 2
30 A x 2
+
Battery
12 volt
12 volt
To remote
on stereo / CD
on stereo / CD
POWER IN
BAT+ REM GND
POWER IN /POWER CAP
GND
FAN OUT
POS+
PROTECT
POWER
DC-FEED DLS A3
Highpass filter not in use.
Lowpass filter not in use.
Lowpass filter not in use.
If you have problems
with the mid bass dri-
ver ”reaching the bot-
tom” (the voice coil
touches the bottom
pole plate) at high
volumes, use the HP-
filter to avoid this with
a setting at 50 - 80 Hz
or higher. Make your
own tests.
with the mid bass dri-
ver ”reaching the bot-
tom” (the voice coil
touches the bottom
pole plate) at high
volumes, use the HP-
filter to avoid this with
a setting at 50 - 80 Hz
or higher. Make your
own tests.
ULTIMATE A3
12