DLS ULTIMATE A-series Owner's Manual page 16

3. Connecting a 3-way
system using active crossover
between woofer and midrange.
You can use all 3-way speaker
systems in this example. You can also use
any 2-way system in combination with a
separate mid bass speaker.
Speaker impedance must be 4 ohm.
If the head unit has only one pre out a
Y-cable must be used.
For power cable, speaker cable and fuse
size selection see page 4.
HP-filter setting: 400 Hz
LP-filter not in use
Button in
FRONT INPUTS HP-filter
LEFT RIGHT
100
20 200
HP-filter not in use
LP-filter setting: 400 Hz
Button in
REAR SPEAKERS
+LEFT- +RIGHT-
+ -
- +
16
DC-FEED DLS A4
Button out
HP-filter HP-filter LP-filter LP-filter
3X
IN
IN
90
50 125
1X
OUT
OUT
Button in
Pre out
front
1 107,3
FM
Button out
LEVEL LP-filter LP-filter LP-filter
IN 2X
3,5V 100
7V 0,2V
20 200
OUT
1X
Button in
Bass/midbass
drivers
Use a 2 mm hex key to speaker terminals.
Use a 4 mm hex key to DC input terminals on A2, A3, A4
POWER IN
LEFT FUSES
BAT+ REM GND
25 A x 2
Fuse
150 A
To remote
+ on stereo / CD
Battery
12 volt
If you use both DC-inputs for the DC feed,
connect a Fuse block with two 70 Amp fuses,
one for each input.
LEVEL
FRONT SPEAKERS
+LEFT- +RIGHT-
3,5V
7,0V 0,2V
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
Passive crossover boxes
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
for tweeters and midrange
1 2 3 4 5 1 2 3 4 5
1 2 3 4 5 1 2 3 4 5
+
+
-
-
+
+
-
-
HP-filter HP-filter
REAR INPUTS
IN
LEFT RIGHT
100
20 200
OUT
ULTIMATE A4
POWER IN /POWER CAP
GND POS+
FAN OUT
RIGHT FUSES
POWER
PROTECT
Power
Fan 12 V
capacitor
Midrange
drivers
Tweeters
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.
25 A x 2