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DLS Svenska AB A1 User Manual

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Example 4: Speaker wiring with acive/passive crossover to a 3-way front
speaker system and one or more subwoofers
Filter settings:
Front: HP-filter 400 Hz with x20-
switch in x1 position
Rear: HP-filter 80 Hz or fullrange
LP-filter IN, setting 400 Hz with
x10 switch in position x1
Sub: LP-filter 70-80 Hz
Use one, two or three RCA-cables for
signal from head unit to amplifier.
See page 5 for detailed instructions
Button In
Button in
Midrange and tweeters with active
highpass x-over setting at 400 Hz.
Passive x-over between
midbrange and tweeters
Switch settings in this example
HP: x1
LP: x1
ULTIMATE A7
Midbass with active lowpass x-
over setting at 400 Hz.
Amplifier front
x 20
 x 1
HP
 x 1
 
x 10
LP
        Input
Front
  Rear
      Input
       Sub
FRONT SPEAKERS
 +LEFT-    +RIGHT-
REAR SPEAKERS
 +LEFT-    +RIGHT-
     SIGNAL INPUTS
       FRONT         REAR
     LEFT  RIGHT   LEFT  RIGHT
3,5V
7V  0,2V
3,5V
7V  0,2V
 LEVEL
x20 change
by bottom switch
240
80  400
    Hz
OUT
  IN
HP-filter
240
80  400
    Hz
OUT
  IN
HP-filter
  2
0,3    4
  kHz
OUT
  IN
LP-filter
 LEVEL
x10 change
by bottom switch
FM
1 107,3
Pre out
front
Pre out
rear
Button in
HP-filter setting:
400 Hz
HP-filter setting: 80 Hz
LP-filter setting: 400 Hz.
Filter
box
+
-
+
-
-
+
-
+
Filter
box
+
+
-
-
WIRING EXAMPLES A7
DC - FEED DLS A7
For DC-feed, see page 4
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
setting at 50 - 80 Hz or higher.
Make your own tests.
LP-filter: 70- 80 Hz
Subwoofer
2 - 4 ohm
Remote Bass Level
& Phase control
Phase
Level
SUB-WOOFER
  + 
SPEAKERS 
-
Low-pass
   
 
 
LEVEL
3,5V
7,0V   0,2V
 90
50  125
O    180
Degree
 
90
  PHASE
FILTER
FM
1 107,3
Level
OUT
 IN
SIGNAL INPUT
 
LEFT SUB RIGHT
Remote Bass