DLS ULTIMATE A1 - Mono Subwoofer Connection

11
ULTIMATE A1-A2
Remote
Pre out
2. Two stereo speaker pairs
connected in parallel
3. Connection in mono
with one subwoofer in
bridge mode.
Remote
Pre out
Subwoofer 4 ohm
You can use all DLS 4 ohm subwoofers
in this example.
For power cable, speaker cable and fuse size selection we refer to page 4.
+
-
FUSE
30
3,5V
7,0V 0,2V
SPEAKERS
+LEFT- +RIGHT-
HP-filter LEVEL
100
20 200
OUT
IN
SIGNAL INPUT
LEFT RIGHT
POWER
PROTECT
POWER IN
BATT+ REMOTE GND
FM1 107,3
+
+
+
+
-
-
-
-
Battery
12 volt
+
FUSE
30
3,5V
7,0V 0,2V
SPEAKERS
+LEFT- +RIGHT-
HP-filter LEVEL
100
20 200
OUT
IN
SIGNAL INPUT
LEFT RIGHT
POWER
PROTECT
POWER IN
BATT+ REMOTE GND
Fuse 60 A
Button out
OUT
HP-filter LEVEL
20
200
100
7,0V 0,2V
3,5V
Hz
IN
FM1 107,3
DLS A2
HP-filter LP-filter LEVEL
7,0V 0,2V
3,5V
OUT
20
200
100
Hz
IN
OUT
20
200
100
Hz
IN
DLS A1
DLS A2
HP-filter LP-filter LEVEL
7,0V 0,2V
3,5V
OUT
20
200
100
Hz
IN
OUT
20
200
100
Hz
IN
Button IN
Button IN
Fuse 60 A
Battery
12 volt
+
Filter setting
A1:
HP-filter: 25-30
Hz
LP-filter: fixed
70 or 90 Hz
A2:
HP-filter: 25-30
Hz
LP-filter. 70-80
Hz
Highpass filter not in use.
Lowpass filter not in use.
OUT
HP-filter LEVEL
20
200
100
7,0V 0,2V
3,5V
Hz
IN
DLS A1
Button IN
Both
buttons
in OUT-
position
If you have
problems
with the mid
bass driver
”reaching
the bottom”
(the voice
coil touches
the bottom
pole plate)
at high
volumes,
use the HP-
filter to
avoid this
with a set-
ting at 50 -
80 Hz or
higher.
Make your
own tests.