6. insulation of the door lining
Important tip:
the use of 2x16mm mid-woofer /side may cause vibrations which lead to
annoying rattle noises in the car door
some helpful tips:
•use our self-adhesive insulation fleece (art.no.: 27000) or a foam material for
the backside of the door lining (see fig. above) or
•stabilize the backside of the door lining by means of a special material
(Glass Fibre Filler or stiffening material)
i
mportant: keep the cut-outs for the door-airbags and speakers open
•affix the *backside of the inner door metal with self-adhesive asphalt mats (see fig. * )
•by knocking on the car door, vibrations caused by mechanic parts (e.g. Bowden pull wire etc. )
and wiring harness may be found out. Cover these parts with foamed material, felt or
something like that
•cut off overlapping cable tie (rattle noise)
•adhere felt or foamed material under the original wiring harness
!
Important:
No insulation material behind
- loudspeaker
- door latch lever
- (fig. A): drill a hole for the
installation clip
6. insulation of the door lining
Important tip:
the use of 2x16mm mid-woofer /side may cause vibrations which lead to
annoying rattle noises in the car door
some helpful tips:
•use our self-adhesive insulation fleece (art.no.: 27000) or a foam material for
the backside of the door lining (see fig. above) or
•stabilize the backside of the door lining by means of a special material
(Glass Fibre Filler or stiffening material)
i
mportant: keep the cut-outs for the door-airbags and speakers open
•affix the *backside of the inner door metal with self-adhesive asphalt mats (see fig. * )
•by knocking on the car door, vibrations caused by mechanic parts (e.g. Bowden pull wire etc. )
and wiring harness may be found out. Cover these parts with foamed material, felt or
something like that
•cut off overlapping cable tie (rattle noise)
•adhere felt or foamed material under the original wiring harness
!
Important:
No insulation material behind
- loudspeaker
- door latch lever
- (fig. A): drill a hole for the
installation clip
fig.: backside of the door lining –insulation with our article no.: 27000
in the original mount
of the car door
installation of tweeter
with mounting bowl
moisture protection foil
front side of
inner door metal
*
door metal outside
= back side of the
inner door metal
attention –danger !!
No insulation behind the
side-airbags (fig. B)
45146 - BMW 3 E 36 Sedan / Touring - 7 - © JEHNERT SOUND DESIGN 45146 - BMW 3 E 36 Sedan / Touring - 8 - © JEHNERT SOUND DESIGN
5. Installation tweeter / Loudspeaker cables
or alternatively :
�
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5.1. Installation tweeter:
5.2. Installation of loudspeaker cables
5.2.1. carefully remove the moisture protection foil
5.2.2. install cables:
Lead 1 speaker cable (1,5 - 4mm 2) from amplifier into the door.
(mount of crossover circuit: back part of the car door/
behind the door –lining) - see page 11
5.2.3. reinstall the moisture protection foil
installation of tweeter in the original mount of the door
•affix the tweeter into the original cut-outs by means of a
hot melt adhesive
•connect tweeter cable with the cross-over
(length: crossover in the backside of the car door - see fig page 10)
or alternative….
for a wider sound stage image:
installation of tweeter with mounting bowl (see fig.)
•mark the cut-out for the mounting bowl on the door-lining and cut it
out exactly by means of a compass saw
•insert the tweeter mounting bowl into the back side of the door-lining
and affix it with a hot melt adhesive or silicone
•carefully press the tweeter into the bowl and fix it with hex nut M4x8
and washer. Connect the tweeter with the speaker cable
(length: crossover in the backside of the car door - see fig page 10)
