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Installation instructions
item-no.
Jehnert Sound Design
Car-Audio-Systems
Porsche Str. 15
70794 Filderstadt
Heinrich-Hertz-Str. 11
Tel. 00 49 71 58 / 9 56 99-0
Fax 00 49 71 58 / 9 56 99-10
e-mail: sounddesign@jehnert.de
Tel.: 0049-711-77 97 87- 87
www.jehnert.com
Fax: 0049-711-77 78 921
e-mail: sounddesign@jehnert.de
75156
JEHNERT
Sound
Sound
D E S I G N
Production of
development and
production of
Car-Audio-Systems
70794 Filderstadt
www.jehnert.com
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Summary of Contents for JEHNERT SOUND DESIGN 75156
- Page 1 JEHNERT Sound Sound D E S I G N Jehnert Sound Design Production of development and Car-Audio-Systems production of Car-Audio-Systems Porsche Str. 15 70794 Filderstadt Heinrich-Hertz-Str. 11 70794 Filderstadt Tel. 00 49 71 58 / 9 56 99-0 Fax 00 49 71 58 / 9 56 99-10 e-mail: sounddesign@jehnert.de...
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Page 2: Table Of Contents
Service / fault diagnoses ............Guarantee ................Guarantee ................Please follow the installation instructions “step by step” and check the package contents Particularly important notes contain the following remarks: � 75156 - Audi A 4 - 1 - © JEHNERT SOUND DESIGN... -
Page 3: Page Packing List
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. 75156 - Audi A 4 - 2 - © JEHNERT SOUND DESIGN... -
Page 4: Disassembly Of The Door Lining
1.5. Unlook door lock Bowden pull wire. 1.6. Pull off the switch of the electric window control. 1.7. Unplug the original cables and remove the original subwoofer. 75156 - Audi A 4 - 3 - © JEHNERT SOUND DESIGN... -
Page 5: Installation Tweeter
2.4. Precable the tweeter (measure up the length of the cable up to the crossover in the door build) metal ring for fastening the tweeter 75156 - Audi A 4 - 4 - © JEHNERT SOUND DESIGN... -
Page 6: Panel Alignment / Reference Points
Reference line 2: the front edge of the panel must be inline with the design line of the door lining. end of panel is in line with the door lining fig.2: lower edge of panel 75156 - Audi A 4 - 5- © JEHNERT SOUND DESIGN... -
Page 7: Handling Of Door Lining / Panel Installation - Fastening
M 4 x 30 M 4 x 40 M 4 x 40 M 4 x 30 M 4 x 30 M 4 x 30 M 4 x 40 75156 - Audi A 4 - 6 - © JEHNERT SOUND DESIGN... -
Page 8: Loudspeaker Cables
Lead 1 speaker cable (1,5 - 4 mm ) from amplifier into the door. (mount of crossover circuit: door panel) - see page 10 5.3. reinstall the moisture protection foil 75156 - Audi A 4 - 7 - © JEHNERT SOUND DESIGN... -
Page 9: Insulation Of The Door Lining / Car Doors
- cut off overlapping cable tie (rattle noise) - adhere felt or foamed material under the original wiring harness - asphalt mat instead of the moisture protection foil 75156 - Audi A 4 - 8 - © JEHNERT SOUND DESIGN... -
Page 10: Installation Of The Door Lining
7.2. Fit the door lining in contrary order (described on page 3). 7.3. Cut (like a U) the moisture protection foil and stabilize the edges of the foil against vibrations. (for example with packing tape) 75156 - Audi A 4 - 9 - © JEHNERT SOUND DESIGN... -
Page 11: Crossover Circuit - Speaker Connection
All subwoofers must move uniformly! � Wrong polarity of a subwoofer can totally Wrong polarity of a subwoofer can totally equalize the bass sound! equalize the bass sound! 75156 - Audi A 4 - 10 - © JEHNERT SOUND DESIGN... -
Page 12: Loudspeaker Wiring Diagram
Au d i A 4 - 7 5 1 5 6 3-way crossover circuit JEHNERT Sound Sound D E S I G N subwoofer tweeter i n p u t midrange 75156 - Audi A 4 - 11 - © JEHNERT SOUND DESIGN... -
Page 13: Installation Of The Speaker-Grills
The Velcro fasteners stick together very strongly! The grills can be removed anytime by carefully lifting them off. Please, avoid any way of forceful yanking at the grills. It could break! 75156 - Audi A 4 - 12 - © JEHNERT SOUND DESIGN... -
Page 14: Technical Information
48-22.000 Hz Total impedance: 4 Ohm Time for Installation car hifi-specialist: 3 hours We reserve the right to make technical changes, as well as development. 75156 - Audi A 4 - 13 - © JEHNERT SOUND DESIGN... -
Page 15: Service / Fault Diagnoses
Therefore, please inform us. what you would like to be improved vibrations insulation, see notes on page or what we should still change. 75156 - Audi A 4 - 14 - © JEHNERT SOUND DESIGN Self-help and fault diagnosis The following notes serve to help troubleshoot and eliminate faults or malfunctions on your own. -
Page 16: Guarantee
G u a r a n t e e 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.