DLS Svenska AB A1 WIRING EXAMPLES A7, DC - FEED DLS A7, For DC-feed,see page, A7 IN BRIDGE MODE

ULTIMATE A7

WIRING EXAMPLES A7

Example 1: Speaker wiring with front speakers, rear speakers and one or more subwoofers

HP-filter: 80 Hz	HP-filter: 80 Hz
	LP-filter not in use.
Button in	Button in	Button out

FRONT SPEAKERS			HP-filter		SIGNAL INPUTS		HP-filter		LP-filter
+LEFT- +RIGHT-	LEVEL			IN	FRONT	REAR
		240						IN		IN
	3,5V				LEFT RIGHT	LEFT RIGHT	240		2
	7V 0,2V	80	400				80 400		0,3 4
			Hz	OUT
							Hz	OUT	kHz	OUT
		x20 change
									x10 change
		by bottom switch
									by bottom switch

	Pre out	Pre out
+	front	rear
	-
-	+
		FM1 107,3

DC - FEED DLS A7

For DC-feed, see page 4

REAR SPEAKERS

LEVEL +LEFT- +RIGHT-

3,5V

7V 0,2V

+-

- +

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.

A7 IN BRIDGE MODE

You can connect the stereo channels in bridge mode if you prefer. Connect between L+ and R- on the respective channel pair.

LP-filter: 70- 80 Hz

SIGNAL INPUT	Remote Bass		FILTER	SUB-WOOFER
	Level	PHASE		+ SPEAKERS -
LEFT SUB RIGHT
	IN	90	Low-pass	LEVEL
			90
				3,5V
		O 180
		Degree 50 125		7,0V 0,2V
	OUT

FM1 107,3

Level

Phase

Remote Bass Level	Subwoofer
& Phase control
	2 - 4 ohm

Filter settings:

Front: HP-filter 80 Hz or fullrange

Rear: HP-filter 80 Hz or fullrange LP-filter OUT

Sub: LP-filter 70-80 Hz

Use one, two or three RCA-cables for signal from head unit to amplifier. See page 6 for detailed instructions

Switch settings in this example

HP: x1

LP: x1

Input

Amplifier front

Input

Front

Rear

Sub

Sub

input

x 1

Input to

Input to

separate

front, rear

rear

HP

& sub

& sub

LP

x 1

Sub input

x 10

x 20

common

19