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DLS Svenska AB A4 ユーザーズマニュアル

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2. One or more subwoofers
 in mono bridge mode
You can use all DLS subwoofers in
this example.
Speaker impedance must be 4 ohm.
For power cable, speaker cable and
fuse size selection see page 4.
Adjust the HP- and LP-filter settings
as in the drawing
Subwoofer
4 ohm
FM
1 107,3
With the PHASE button you
can phase shift the phase
on the speaker output
terminals.
Pre out
Fuse
150 A
Power
capacitor
Fan12 V
RIGHT FUSES
      30 A x 2
30
30
30
30
LEFT FUSES
      30 A x 2
+
Battery
12 volt
To remote
on stereo / CD
    POWER IN
 BAT+ REM GND
POWER IN /POWER CAP
 GND 
FAN OUT
 POS+
PROTECT
POWER
 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 in
Button in
HP-filter HP-filter  LP-filter   PHASE  LP-filter       LEVEL
7,0V  0,2V
3,5V
  0
+180
OUT
 
 IN
OUT
 
 IN
Hz
50
   
125
 90
Hz
20
   
200
100
DLS A3 is 1 ohm stable. This means that you
can connect two 4 ohm subwoofers in parallel
without damaging the amplifier. Two 4 ohm
subwoofers connected in parallel results in a 2
ohm load which the amplifier sees as a 1 ohm
load.
If you have a 4 ohm sub with dual voice coils
you can connect the coils in parallel.
DC - FEED DLS A3
HP-filter setting: 30 Hz
LP-filter setting: 60-80 Hz
Use a  2 mm hexagon key to speaker terminals.
Use a  2,5 mm hexagon key to DC input termin-
als on A1
Use a  4 mm hexagon key to DC input terminals
on A2, A3, A4
ULTIMATE A3
13