75075/76075 - SL Cabrio
- 7 -
© JEHNERT SOUND DESIGN
75075/76075 - SL Cabrio
- 8 -
© JEHNERT SOUND DESIGN
6. insulation of the door lining
Important
tip:
the use of woofers 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
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)
�
�
5 . Installation of loudspeaker cables
5.1. carefully remove the moisture protection foil
5.2. insulation of the door lining - Important tips against vibration-noise (s.page.8)
5.3. install cables:
Lead 1 speaker cable (1,5 - 4mm
2
) from amplifier into the door.
(mount of crossover circuit: under the dashboard.
5.4. reinstall the moisture protection foil