JEHNERT SOUND DESIGN 75075, 76075 Installation Instructions Manual

SoundSound

D E S I G N

JEHNERT

Daimler Chrysler W 129 SL Conv.

Installation instructions

ins tal .Ar t. 750 75/ 760 75/ FH0 7/0 2

item-Nr.

75075 up to Bj.`96
76075 from Bj.`96

Jehnert Sound Design

development and

production of

Car-Audio-Systems

Heinrich-Hertz-Str. 11

70794 Filderstadt

Tel.: [phone]

Fax: [phone]

e-mail: [e-mail]

www.jehnert.com

76075 - from Bj. 96

In-door-assembly-Set

75075 - up to Bj. 96

Production of

Car-Audio-Systems

Porsche Str. 15

70794 Filderstadt

Tel. [phone] / 9 56 99-0

Fax [phone]

e-mail: [e-mail]

www.jehnert.com

page

C o n t e n t s

Packing list ..........................................................................

1. Disassembly of the door lining SL mod.up to 96 - Art. 75075...

2. Disassembly of the door lining SL mod.from 96 - Art. 76075....

3. Tweeter Installation .............................................................

4. Handling of door lining / Panel installation - Fastening ...........

5. Loudspeaker cables .............................................................

6. Insulation of the door lining / car doors .................................

7. Installation of the door lining ................................................

8. Crossover circuit - Speaker connection ..................................

Loudspeaker wiring diagram .................................................

9. Installation of the speaker-grills .............................................

Technical information ...........................................................

Service / fault diagnoses .......................................................

Guarantee ...........................................................................

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Technical questions Hotline: [phone]

We thank you for your support!

Dear customer,

We have taken great care to explain the procedures in our installation instructions
more detailed and

Your tips and suggestions help us for the future to eliminate uncertainties and
misinterpretation. Therefore, please inform us. what you would like to be improved

or what we should still change.

The following notes serve to help troubleshoot and eliminate faults or malfunctions
on your own. If the following measures are not effective, please call us.

What can it be if ... possible cause/ solution

..it doesn’t sound right. wrong polarity on the subwoofers ( page 10)

crosover circuit attached wrong ( page 11)

Doorlining and moisture protection foil
not cut out ( page 5+10)

amplifier doesn’t have enough power( page 13)

amplifier connection

...it doesn’t fit correctly. door panel customization ( page 8)

installation of the panels on the door lining (page 9)

.....grills do not hold. observe notes on page 12!

vibrations insulation, see notes on page 7

Self-help and fault diagnosis

Particularly important notes contain the following remarks:

�

Please follow the installation instructions

“step by step”

and check the package contents

5 + 6

Packing unit Check list

adapter plate

(right / left) 2

Tweeter 26mm

with perforated Sheet metal,6Ktn.Scr ew M4x8,Washer ø12mm) 2

Art.Nr. 75075: hot melt adhesive-stics (f.mounting adapter plate) 4

Art.Nr. 76075: hot melt adhesive-stics (f.mounting adapter plate) 2

Midrange 100 mm Q

(each moun ted on th e panel w ith 4 She et metal-sc rews) 2

Neodym-flat-woofer 200 mm

(each moun ted with 4 flat he ad screws M4x20 4

Crossover

(right / left) 2

The product was carefully packed and checked for its completeness. If you find anything missing, damaged or
defective, please notice our guarantee services on the back of these assembly instructions.

Packing list 75075 / 76075

75075/76075 - SL Cabrio - 2 - © JEHNERT SOUND DESIGN

Packing unit Check list

adapter plate

(right / left) 2

Tweeter 26mm

with perforated Sheet metal,6Ktn.Scr ew M4x8,Washer ø12mm) 2

Art.Nr. 75075: hot melt adhesive-stics (f.mounting adapter plate) 4

Art.Nr. 76075: hot melt adhesive-stics (f.mounting adapter plate) 2

Midrange 100 mm Q

(each moun ted on th e panel w ith 4 She et metal-sc rews) 2

Neodym-flat-woofer 200 mm

(each moun ted with 4 flat he ad screws M4x20 4

Crossover

(right / left) 2

Packing list 75075 / 76075

2

4

1

4

4

2

2

4

Art.-Nr. 75075: hot melt adhesive-stics (f. mounting adapter plate)

Art.-Nr. 76075: hot melt adhesive-stics (f. mounting adapter plate)

screw M4 x 20

nut M4

sheet metal screw 3,9 x 16

sheet metal nut Ø 3,9

perforated tape

Packing unit Check list

adapter plate

(right / left) 2

Tweeter 26mm

with perforated Sheet metal,6Ktn.Scr ew M4x8,Washer ø12mm) 2

Art.Nr. 75075: hot melt adhesive-stics (f.mounting adapter plate) 4

Art.Nr. 76075: hot melt adhesive-stics (f.mounting adapter plate) 2

Midrange 100 mm Q

(each moun ted on th e panel w ith 4 She et metal-sc rews) 2

Neodym-flat-woofer 200 mm

(each moun ted with 4 flat he ad screws M4x20 4

Crossover

(right / left) 2

Packing list 75075 / 76075

1.1. unroll window completely

1.2. unscrew the 3 screw on the chromium grill (1) and remove the chromium grill

1.3. unscrew screw on the locking rosette (2) and move the rosette downward and remove it

1.4. push the grill of rear mirror triangle (3) upward away

1.5. carefully move the small wooden grill (5) upward out (caution: it could break!).

1.6. push the handle for the inner lock (4) and remove it

1.7. open the cover of the door tray and remove it ( see fig./arrows )

1.8. pull out the entry lamp and unplug connections

1.9. unscrew the inner lock grill (5) and remove it

1.10. carefully move the large wooden grill (7) against the door lock and remove it from the
door lining (caution! It could break!)

1.11. disconnect coupling for seat adjustment and remove the wooden grill (7)

1.12. unscrew screw on the inner lock (5)

1.13. unscrew screws of the door tray (front and rear)

1.14. carefully remove the plastic clips of the door lining and move it vertically away from
the door metal

1.15. disconnect the original speaker cable and dismantle the original speaker unit
(will not be used). The grills need not to be removed

SL up to models ’96 (original round speaker grill)

1 . Disassembly of the door lining 75075 - models up to

75075/76075 - SL Cabrio - 3 - © JEHNERT SOUND DESIGN 75075/76075 - SL Cabrio - 12 - © JEHNERT SOUND DESIGN

as the SL shows special acoustic characteristics we recommend the following
sound adjustment to optimize the stereoscopic sound:

our recommendation:

adjust the balance two points further to
the right side (from driver’s side) – may vary
according to the different types of radios.

9. recommended sound adjustment on the radio

�

SL models from 1996. (original fabrics cover)

1.1. unroll window completely

1.2. unclip the mirror triangle grill (2) from above with a taper key,
move it upward away

1.3. unclip the entry lamp, disconnect the cable and remove the entry lamp

1.4. unclip grill ”SRS” and unscrew the screw (4)

1.5. open cover of the door tray,unclip the cover and remove it

1.6. unscrew all screws (6) of the door tray (front and rear)

1.7. unscrew the screws of the chromium cover (7) and locking rosette (8)
and remove both parts

1.8. carefully push off the door-lining on the plastic clips and move it upward
away from the sealing above (use a taper key), lift it away from the clamps
and simultaneously move it away from the inner door metal

1.9. remove the Bowden pull wire

1.10.disconnect the seat adjustment (10)

1.11 disconnect the original speaker cable and dismantle the original speaker
unit (will not be used any more). The grills need not to be removed.

2 . Disassembly of the door lining 76075 - models from ‘96

75075/76075 - SL Cabrio - 4 - © JEHNERT SOUND DESIGN

8. Crossover circuit - Speaker connection

8.1. precable crossovers - see fig. page 11.

8.2.

install crossover under the dashboard. Check precise fit.

8.3. Insert subwoofer and midrange and connect all loudspeakers
(car door: midrange and subwoofer / dashboard: tweeter)
to the crossover circuit (parallel-circuit):

Notice:

before connecting them to the crossover circuit
with a 9 volt battery:

pole of the crossover circuit input to of a 9 Volt battery

equalize the bass sound!

8. Crossover circuit - Speaker connection

8.1. precable crossovers - see fig. page 11.

8.2.

install crossover under the dashboard. Check precise fit.

8.3. Insert subwoofer and midrange and connect all loudspeakers
(car door: midrange and subwoofer / dashboard: tweeter)
to the crossover circuit (parallel-circuit):

Notice:

before connecting them to the crossover circuit
with a 9 volt battery:

pole of the crossover circuit input to of a 9 Volt battery

equalize the bass sound!

3.1. unclip the plastic frame of the tweeter grill with a taper key and remove it

3.2. unscrew the screw underneath and remove the speaker’s grill

3.3. remove the original tweeter and disconnect the cable
connect the JEHNERT tweeter (1,5 - 4mm

2

)

3.4. Length of cable: up to the crossover- mount underneath the dashboard

3.5. affix the perforated sheet metal to the tweeter. Secure with washer and
hexagon head screw.

3.6. Install the tweeter with the perforated sheet metal in the original mount
and lead the speaker cable to the mount of the crossover.

.

Acoustic TIP:

adjust the tweeter in an angular position to the inner rear
view mirror (not driver’s or co-passenger’s side)

75075/76075 - SL Cabrio - 10 - © JEHNERT SOUND DESIGN 75075/76075 - SL Cabrio - 5- © JEHNERT SOUND DESIGN

�

3. tweeter installation in standard mount of the dashboard

1.1. place the door-lining backside up on a plane surface

1.2. align the adapter plate with speakers instead of the factory installed speaker unit

1.3. mark the outlines of the adapter plate and remove the plate again

4. installation of adapter plate onto the door-lining

==>> continue as follows: prod.code. 75075 or 76075 ==>>

1.1. place the door-lining backside up on a plane surface

1.2. align the adapter plate with speakers instead of the factory installed speaker unit

1.3. mark the outlines of the adapter plate and remove the plate again

fitting of adapter plate 75075 – model up to ‘96:

1. sand the outline marked (adhesive property will be better then)

2. put hot melt adhesive on the outlines.

3. fit in the adapter plate exactly and hold it fast to the door-lining until
the adhesive hardens

fitting of adapter plate 76075 – model from ‘96:

1. sand the outline marked (adhesive property will be better)

2. original screwed joint within the outline marking is used to install the
adapter plate:

• detach original screwed joint

• install adapter plate exactly and tighten the screws

3. put holt melt adhesive on the rest of the plate edge.

4. connect subwoofer and midrange with speaker cable (1,5-4mm

2

) and lead cable
to the mount of the crossover circuit.
Length of cable: up to crossover- mount underneath the dashboard

Remark:

rubber surround of subwoofer touches the expanding rivets of the speaker grills.
But this does not affect the sound (no vibration noise).

mark the oulines of
the adapter plate on
the door-lining

Abb.: 75075-up to’96

Abb.: 76075-ab Bj.96

mark the oulines of
the adapter plate on
the door-lining

use original screwed
joint within the outline
marking for fitting

4. installation of adapter plate onto the door-lining

75075/76075 - SL Cabrio - 6 - © JEHNERT SOUND DESIGN

✍

✍

==>> prod.code. 75075 (models to ‘96) installation of adapterplate

1.1. place the door-lining backside up on a plane surface

1.2. align the adapter plate with speakers instead of the factory installed speaker unit

1.3. mark the outlines of the adapter plate and remove the plate again

fitting of adapter plate 75075 – model up to ‘96:

1. sand the outline marked (adhesive property will be better then)

2. put hot melt adhesive on the outlines.

3. fit in the adapter plate exactly and hold it fast to the door-lining until
the adhesive hardens

mark the oulines of
the adapter plate on
the door-lining

Abb.: 75075-up to’96

✍

Remark:

Rubber surround of subwoofer touches the
expanding rivets of the speaker grills. But this
does not affect the sound (no vibration noise)

==>> prod.code. 76075 (models from ‘96) installation of adapterplate

4.1. Sand the outline marked (adhesive property will be better).

4.2. Original screwed joint within the ouline marking is used to install
the adapterplate:

• detach original screwed joint

• install adapterplate exactly and tighten the screws

4.3. Screw in the 3 screws attached acc. to  gure. Secure the M4-screws with
the perforated tape and M4-nuts, sheet metal screw with sheet metal nut.

4.4. Put hot melt adhesive on the rest of the plate edge.

4.5. Connect subwoofer and midrange with speaker cable (1,5 - 4mm2) and
lead the cable to the mount of the crossover circuit.
Lenght of cable: up to crossover-mount underneath the dashboard.

2

Umrisse der Adapterplatte
auf der Türverkleidung an-
zeichnen

Abb.: 75075-bis Bj.96

Abb.: 76075-ab Bj.96

Umrisse der Adapterplatte

✍

original screws

sheet metal screw 3,9x16
+ sheet metal nut

M4 x 20 + perforated tape

2

) and lead cable

mark the oulines of
the adapter plate on
the door-lining

mark the oulines of
the adapter plate on
the door-lining

✍

75075/76075 - SL Cabrio - 7 - © JEHNERT SOUND DESIGN 75075/76075 - SL Cabrio - 8 - © JEHNERT SOUND DESIGN

6. insulation of the door lining

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

fig.: backside of the door lining – insulation with our article no.: 27000

�

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

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)

�

�

7. installation of the door-lining onto the car doors

7.1. put the door-lining into the upper sealing of the car door

7.2. fit it in contrary order of succession as described on page no. 3

7.3. cut out the moisture protection foil (u-form) and stabilize the lateral cutting
edges in order to avoid vibration noise ( e.g. use a packing tape)

1.1. place the door-lining backside up on a plane surface

1.2. align the adapter plate with speakers instead of the factory installed speaker unit

1.3. mark the outlines of the adapter plate and remove the plate again

fitting of adapter plate 75075 – model up to ‘96:

1. sand the outline marked (adhesive property will be better then)

2. put hot melt adhesive on the outlines.

3. fit in the adapter plate exactly and hold it fast to the door-lining until
the adhesive hardens

fitting of adapter plate 76075 – model from ‘96:

1. sand the outline marked (adhesive property will be better)

2. original screwed joint within the outline marking is used to install the
adapter plate:

3. put holt melt adhesive on the rest of the plate edge.

4. connect subwoofer and midrange with speaker cable (1,5-4mm
to the mount of the crossover circuit.
Length of cable: up to crossover- mount underneath the dashboard

Remark:

rubber surround of subwoofer touches the expanding rivets of the speaker grills.
But this does not affect the sound (no vibration noise).

4. installation of adapter plate onto the door-lining

75075/76075 - SL Cabrio - 9 - © JEHNERT SOUND DESIGN

75075/76075 - SL Cabrio - 6 - © JEHNERT SOUND DESIGN



7.3. Cut out the moisture protection foil (U-form) behind the woofer and
stabilize the lateral cutting edges in order to a vibration noise
(e.g. use a packing tape).

1.1. place the door-lining backside up on a plane surface

1.2. align the adapter plate with speakers instead of the factory installed speaker unit

1.3. mark the outlines of the adapter plate and remove the plate again

fitting of adapter plate 75075 – model up to ‘96:

1. sand the outline marked (adhesive property will be better then)

2. put hot melt adhesive on the outlines.

3. fit in the adapter plate exactly and hold it fast to the door-lining until
the adhesive hardens

Abb.: 75075-up to’96

4. installation of adapter plate onto the door-lining



8. Crossover circuit - Speaker connection

8.1. precable crossovers - see fig. page 11.

8.2.

install crossover under the dashboard. Check precise fit.

8.3. Insert subwoofer and midrange and connect all loudspeakers
(car door: midrange and subwoofer / dashboard: tweeter)
to the crossover circuit (parallel-circuit):

Notice:

You should check the polarity of all subwoofers
before connecting them to the crossover circuit
with a 9 volt battery:

pole of the crossover circuit input to of a 9 Volt battery

pole of the crossover circuit input to of a 9 Volt battery

All subwoofers must move uniformly!

Wrong polarity of a subwoofer can totally

equalize the bass sound!

8. Crossover circuit - Speaker connection

8.1. precable crossovers - see fig. page 11.

8.2.

install crossover under the dashboard. Check precise fit.

8.3. Insert subwoofer and midrange and connect all loudspeakers
(car door: midrange and subwoofer / dashboard: tweeter)
to the crossover circuit (parallel-circuit):

Notice:

You should check the polarity of all subwoofers
before connecting them to the crossover circuit
with a 9 volt battery:

pole of the crossover circuit input to of a 9 Volt battery

pole of the crossover circuit input to of a 9 Volt battery

All subwoofers must move uniformly!

Wrong polarity of a subwoofer can totally

equalize the bass sound!

75075/76075 - SL Cabrio - 10 - © JEHNERT SOUND DESIGN 75075/76075 - SL Cabrio - 5- © JEHNERT SOUND DESIGN

�

✚ ✚

You should check the polarity of all woofers after having
connected them to the crossover circuit with a 9 volt battery
(input cable on the side of the amplier).

Recommendation:
Install both crossovers on the passenger‘s side underneath the airbag.

*Important:
Protect the sheet bar against humidity and observe that the sheet
bar does not touch any metal parts – danger of short circuit!

8. Crossover circuit - Speaker connection

install crossover under the dashboard. Check precise fit.

Notice:

You should check the polarity of all subwoofers

pole of the crossover circuit input to of a 9 Volt battery

All subwoofers must move uniformly!

Wrong polarity of a subwoofer can totally

8. Crossover circuit - Speaker connection

install crossover under the dashboard. Check precise fit.

Notice:

You should check the polarity of all subwoofers

pole of the crossover circuit input to of a 9 Volt battery

All subwoofers must move uniformly!

Wrong polarity of a subwoofer can totally

�

✚ ✚

You should check the polarity of all woofers after having
connected them to the crossover circuit with a 9 volt battery
(input cable on the side of the amplier).

Loudspeaker wiring diagram

Connect all loudspeakers and crossover circuits:

Loudspeaker wiring diagram

Connect all loudspeakers and crossover circuits:

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D E S I G N

JEHNERT

SoundSound

M i d r a n g e

S p e a k e r

MA D E I N G ER M A N Y

SL models from 1996. (original fabrics cover)

1.1. unroll window completely

1.2. unclip the mirror triangle grill (2) from above with a taper key,
move it upward away

1.3. unclip the entry lamp, disconnect the cable and remove the entry lamp

1.4. unclip grill ”SRS” and unscrew the screw (4)

1.5. open cover of the door tray,unclip the cover and remove it

1.6. unscrew all screws (6) of the door tray (front and rear)

1.7. unscrew the screws of the chromium cover (7) and locking rosette (8)
and remove both parts

1.8. carefully push off the door-lining on the plastic clips and move it upward
away from the sealing above (use a taper key), lift it away from the clamps
and simultaneously move it away from the inner door metal

1.9. remove the Bowden pull wire

1.10.disconnect the seat adjustment (10)

1.11 disconnect the original speaker cable and dismantle the original speaker
unit (will not be used any more). The grills need not to be removed.

75075/76075 - SL Cabrio - 11 - © JEHNERT SOUND DESIGN

2 . Disassembly of the door lining 76075 - models from ‘96

75075/76075 - SL Cabrio - 4 - © JEHNERT SOUND DESIGN

Circuit diagram of 3-way crossover / 2x subwoofer

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JEHNERT

SoundSound

W O O F E R

S p e a k e r

MA D E I N G E R M A N Y

tweetersubwooofer

SoundSound

D E S I G N

JEHNERT

midrangeinput

3-way crossove r circui t

Da iml erCh rysl er S L C onv erti ble - 7 5075 / 760 75

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JEHNERT

SoundSound

T w e e t e r

S pe a k e r

MAD E I N G E R M A N Y

100-130 Watt RMS / 4 Ohm

amplifier

recommended power

as the SL shows special acoustic characteristics we recommend the following
sound adjustment to optimize the stereoscopic sound:

our recommendation:

adjust the balance two points further to
the right side (from driver’s side) – may vary
according to the different types of radios.

9. recommended sound adjustment on the radio

�

Packing unit Check list

adapter plate

Tweeter 26mm

Art.Nr. 75075: hot melt adhesive-stics (f.mounting adapter plate) 4

Art.Nr. 76075: hot melt adhesive-stics (f.mounting adapter plate) 2

Midrange 100 mm Q

Neodym-flat-woofer 200 mm

Crossover

The product was carefully packed and checked for its completeness. If you find anything missing, damaged or
defective, please notice our guarantee services on the back of these assembly instructions.

Packing list 75075 / 76075

75075/76075 - SL Cabrio - 13 - © JEHNERT SOUND DESIGN

75075/76075 - SL Cabrio - 2 - © JEHNERT SOUND DESIGN

T e c h n i c a l i n f o r m a t i o n

Equipment: electric window control

Model/ year : 75075 up to models 1996

76075 models from 1996

Insulation: is recommended

Note about setting: To obtain optimal stereoscopic sound, all settings
on the radio (bass, treble, loudness etc) should be
set to zero or neutral.

Recommended
amplifier power : from 2x 100 - 130 Watt RMS / 4 Ohm

Metal cutwork : not necessary

Cut-outs for loudspeaker/
each side

)

Sound-System: 3-ways
1 x 200 mm subwoofer/ side

1 x 100 mm midrange / side
1 x 26 mm tweeter / side

car-customized crossover network
max.continuous Watt/RMS: 2 x 130/200Watt
car specific frequency range: 46-22.000 Hz
Total impedance: 2 Ohm

Time for Installation car hifi-specialist: 2 hours

We reserve the right to make technical changes, as well as development.

Steffen Kretzschmar

Saddlery / Completion

75075/76075 - SL Cabrio - 14 - © JEHNERT SOUND DESIGN 75075/76075 - SL Cabrio - 1 - © JEHNERT SOUND DESIGN

Technical questions Hotline: [phone]

We thank you for your support!

Mirko Schwarz

Development

It is our pleasure to help you!

Dear customer,

We have taken great care to explain the procedures in our installation instructions
more detailed and

“

step by step

”

.

Your tips and suggestions help us for the future to eliminate uncertainties and
misinterpretation. Therefore, please inform us. what you would like to be improved

or what we should still change.

Marc Sitter

Service

Marc Sitter

Service

The following notes serve to help troubleshoot and eliminate faults or malfunctions
on your own. If the following measures are not effective, please call us.

What can it be if ... possible cause/ solution

..it doesn’t sound right. wrong polarity on the subwoofers ( page 10)

crosover circuit attached wrong ( page 11)

Doorlining and moisture protection foil
not cut out ( page 5+10)

amplifier doesn’t have enough power( page 13)

amplifier connection

...it doesn’t fit correctly. door panel customization ( page 8)

installation of the panels on the door lining (page 9)

.....grills do not hold. observe notes on page 12!

vibrations insulation, see notes on page 7

Self-help and fault diagnosis















Technical questions: Hotline [phone] / 9 56 99-0

Steffen Kretzschmar

Saddlery / Completion

Technical questions Hotline: [phone]

We thank you for your support!

Mirko Schwarz

Development

It is our pleasure to help you!

Dear customer,

We have taken great care to explain the procedures in our installation instructions
more detailed and

“

step by step

”

.

Your tips and suggestions help us for the future to eliminate uncertainties and
misinterpretation. Therefore, please inform us. what you would like to be improved

or what we should still change.

Marc Sitter

Service

Marc Sitter

Service

The following notes serve to help troubleshoot and eliminate faults or malfunctions
on your own. If the following measures are not effective, please call us.

What can it be if ... possible cause/ solution

..it doesn’t sound right. wrong polarity on the subwoofers ( page 10)

crosover circuit attached wrong ( page 11)

Doorlining and moisture protection foil
not cut out ( page 5+10)

amplifier doesn’t have enough power( page 13)

amplifier connection

...it doesn’t fit correctly. door panel customization ( page 8)

installation of the panels on the door lining (page 9)

.....grills do not hold. observe notes on page 12!

vibrations insulation, see notes on page 7

Self-help and fault diagnosis

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

Marc Sitter

Service

Marc Sitter

Service

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Steffen Kretzschmar

Saddlery / Completion

”

.

Marc Sitter

Service

Marc Sitter

Service

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6)

Steffen Kretzschmar

Saddlery / Completion

Technical questions Hotline: [phone]

We thank you for your support!

Mirko Schwarz

Development

It is our pleasure to help you!

Dear customer,

We have taken great care to explain the procedures in our installation instructions
more detailed and

“

step by step

”

.

Your tips and suggestions help us for the future to eliminate uncertainties and
misinterpretation. Therefore, please inform us. what you would like to be improved

or what we should still change.

Marc Sitter

Service

Marc Sitter

Service

The following notes serve to help troubleshoot and eliminate faults or malfunctions
on your own. If the following measures are not effective, please call us.

What can it be if ... possible cause/ solution

..it doesn’t sound right. wrong polarity on the subwoofers ( page 10)

crosover circuit attached wrong ( page 11)

Doorlining and moisture protection foil
not cut out ( page 5+10)

amplifier doesn’t have enough power( page 13)

amplifier connection

...it doesn’t fit correctly. door panel customization ( page 8)

installation of the panels on the door lining (page 9)

.....grills do not hold. observe notes on page 12!

vibrations insulation, see notes on page 7

Self-help and fault diagnosis















8

G u a r a n t e e

�

2002/by.AJ/FH - 15 -

Installation instructions

ins tal .Ar t. 750 75/ 760 75/ FH0 7/0 2

item-Nr.

We grant a manufacturers guarantee of 2 years starting from the date of purchase
of the door panels or sound system from the dealer.

Within this guarantee period to our choice we either repair or replace free of
charge all defects due to material or workmanship.

Exempt from this guarantee are damages due to improper use, wear and tear or
damages which have to be led back on wear or interventions by third parties.
The guarantee does not cover subsequent damages or such defects that only
insignificantly impair the value or the usability of the panels/sound system.
The guarantee does not cover damages due to external influences.

Panels with additional or wrong assembly drill holes cannot be returned.
These are damages to the panel which cannot be repaired again.

75075 - up to Bj. 96