DLS Svenska AB A7, A5, A2 One or more subwoofers, DC - FEED DLS A3, in mono bridge mode, Button in

ULTIMATE A3

2. One or more subwoofers	DC - FEED DLS A3
in mono bridge mode

You can use all DLS subwoofers in					POWER IN
	LEFT FUSES			BAT+ REM GND
this example.		30 A x 2						POWER
Speaker impedance must be 4 ohm.	30	30						PROTECT
For power cable, speaker cable and
fuse size selection see page 4.		Fuse
Adjust the HP- and LP-filter settings		150 A
as in the drawing							To remote
						+ on stereo / CD
			Battery
			12 volt

HP-filter setting: 30 Hz

LP-filter setting: 60-80 Hz

Button in Button in

POWER IN /POWER CAP

GND FAN OUT POS+	RIGHT FUSES
	30 A x 2
	30	30

Fan12 V	Power
	capacitor

HP-filter HP-filter			LP-filter		PHASE	LP-filter LEVEL
100		IN		90	+180	IN	3,5V
20	200		50	125			7,0V	0,2V
		OUT			0	OUT
	Hz			Hz

SIGNAL INPUT	HP-filter HP-filter LP-filter	Phase	LP-filter	LEVEL	SPEAKERS
LEFT RIGHT	IN	+180	IN		+LEFT- +RIGHT-

100		90
20	200	15	125

OUT0

3,5V

7,0V 0,2V OUT

Pre out	With the PHASE button you
	can phase shift the phase
	on the speaker output
FM1 107,3	terminals.
	Subwoofer
	4 ohm

	DLS A3 is 1 ohm stable. This means that you
	can connect two 4 ohm subwoofers in parallel
Use a 2 mm hexagon key to speaker terminals.	without damaging the amplifier. Two 4 ohm
	subwoofers connected in parallel results in a 2
Use a 2,5 mm hexagon key to DC input termin-	ohm load which the amplifier sees as a 1 ohm
als on A1	load.
Use a 4 mm hexagon key to DC input terminals	If you have a 4 ohm sub with dual voice coils
on A2, A3, A4	you can connect the coils in parallel.

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