Specifications

DLS SOUND HANDBOOK - INSTALLATION
Kick-panel
CENTER CHANNEL SPEAKER
A center channel speaker can be used to improve
the sound image in installations where the speaker
mounting makes it difficult to achieve a correct sound
image.
On a DLS or GENESIS amplifier you connect the
center channel speaker in bridge mode between left
and right channel and then you obtain the sum sig-
nal of both channels.
It can be mounted on the middle of the dashboard.
Center channel speaker 4 ohm
DLS / GENESIS
L+R-
20Ω
15W
0-20Ω
15W
0,15
mH
1,75
mH
In this example the
signal is
dampened with a
20 ohm resistor.
The level can then
be adjusted with
the variable
resistor. The
component values
can need to be
changed
sometimes.
The frequency
response in this
example is
between 550 -
6000 Hz. The
component values
can be changed if
you want another
frequency
response.
14
KICK-PANELS
Another installation alternative giving a good sound
image is the kick-panel. It´s placed down on the floor
in front of the door on both sides. It can contain the
whole system with bass, midrange and tweeter or a
bass and midrange with the tweeter installed on the
dashboard. The best places for the speakers must
be tested out in the respective car.
Kick-panels are normally made of MDF or particle
board and are build as sealed boxes or as membrane
boxes where the element is allowed to breath through
a membrane of foam rubber or similar.
Kick-panels are very popular in competition cars.
MOUNTING IN KICK-PANELS:
ADVANTAGES:
- Stable mounting without rattling.
- Superb sound image.
- Higher power handling capacity.
- Less affection on the cars interior.
DISADVANTAGES:
- More mounting work.
- Possibilites to damage the speaker if kicking on
them with the feets.
HIGH MOUNTED KICK-PANELS:
In some cars the kick-panel can be mounted invisible
up under the dashboard. Can create a good sound
image despite the strange mounting.
DASHBOARD MOUNTING
A mounting of the midrange and tweeter up on the
dashboard will result in an improved sound image. It
will be moved up on the dashboard. Some cars that
have suitable original dashboard mounting holes can
be used.
The tweeters should be mounted on the dashboard
or on the door poles. The woofer elements should
be mounted in a door-side or in a kick-panel. Suitable
for DLS U-35/U-36 or R36/RC36.
REAR FILL
A well mounted front system is the most important in
a sound system. In some cases we also use rear
mounted speakers used as "rear fill". Rear fill
speakers will improve the front stage image by adding
a weak sound from the rear filling up the sound stage
and giving it a deep. As Rear fill speakers we can
use midrange elements in combination with a passive
or active bandpass filter, mounted in the rear. A
suitable frequency response can be from 500 - 6000
Hz. The level must be dampened easiest made with
a series resistor of 10 - 20 ohms in series with the +
lead. The rear fill speaker can also be connected in
multimode. In this case you use only one element
working as a center channel speaker.
50 µF
4,7 µF