JL Audio C1-075ct Manuel utilisateur

Thank you for choosing JL Audio loudspeakers for

your automotive sound system.

We strongly recommend that you have your new loudspeakers installed by

an authorized JL Audio dealer. Your authorized dealer has the training,

expertise and installation equipment to ensure

optimum performance of these loudspeakers in your vehicle.

If you decide to install the loudspeakers yourself, please read this manual

thoroughly to familiarize yourself with their installation

requirements and setup procedures.

Should you have any questions regarding the instructions in this manual,

please contact your authorized JL Audio dealer for assistance, or call the

JL Audio Technical Support Department at (954) 443-1100

during business hours (USA - Eastern Time Zone).

0.75-inch (19 mm) Component Tweeters

OWNER’S MANUAL

2 | JL Audio - C1-075ct Owner’s Manual

Due to ongoing product development, all specifications are subject to change without notice.

Tweeter Fixture Physical Dimensions Flush-Mount Surface-Mount

Fixture Outer Diameter (A) 1.67 in / 42 mm 1.71 in / 43 mm

Fixture Mounting Hole Diameter (B) 1.46 in / 37 mm N/A

Fixture Mounting Depth (C) 0.40 in / 10 mm N/A

Tweeter Frontal Protrusion (D) 0.23 in / 6 mm 0.76 in / 19 mm

Crossover Network Physical Dimensions

Width (A) 1.96 in / 50 mm

Height (B) 0.90 in / 23 mm

Depth (C) 1.34 in / 34 mm

C1-075ct SPECIFICATIONS

Continuous Power Handling: 50 Watts

Recommended Amp Power: 20-50 Watts / ch. (RMS)

Efficiency: 91 dB @ 1W / 1m | 97 dB @ 1W / 0.5m

Sensitivity: 92 dB @ 2.83V / 1m

Nominal Impedance: 6 ohm

Frequency Response: 4 kHz - 24 KHz ± 3 dB

Tweeter:

Edge-driven, silk-suspended aluminum dome

0.75 in. (19 mm) diameter diaphragm / voice coil

Ferrofluid cooling / damping

Neodymium Magnet

Crossover:

2nd order, high-pass filter with inductor and

electrolytic capacitor

Included Components and Parts:

• Two (2) C1-075ct 0.75-inch (19 mm) tweeters

• Two (2) surface-mount tweeter fixtures

• Two (2) C1-075cthp in-line, high-pass filters on

4 ft. (1.2 m) wire harnesses

• Two (2) metal spring clips (for tweeter flush-mounting)

• Four (4) #6 x .625-inch (22 mm) sheet metal screws

• Two (2) 10mm stud bolts with fixed M4 nut

• Two (2) 25mm stud bolts with fixed M4 nut

• Two (2) M5 nuts

GETTING STARTED

• Turn off the audio system. It is also

advisable to disconnect the negative

(–) terminal of your vehicle’s battery

whenever performing installation work.

• Before cutting, drilling or inserting any screw,

check clearances on both sides of the planned

mounting surface. Also check for any potential

obstacles, such as window tracks and motors,

wiring harnesses, etc. Check both sides of the

vehicle, many vehicles are not symmetrical!

• Always wear protective eyewear.

4 | JL Audio - C1-075ct Owner’s Manual

TWEETER PLACEMENT CONSIDERATIONS

A component system gives you the ability

to place the woofer and tweeter separately in

your vehicle interior. This can be good or bad,

depending on how it’s done. As a general rule,

the tweeters should be placed relatively close

to the woofers for best tonal balance and most

coherent imaging (the closer, the better). Any

separation greater than 8 inches (20 cm) is likely

to result in degraded sound quality.

Avoid placing tweeters where they

will be blocked by objects in the interior

of the car (including seated occupants).

When selecting a mounting location, look

at both sides of the car to make sure that

this location is clear on both sides.

You can always experiment with tweeter

placement before committing to a final

mounting location. Simply connect the rest of

the system and allow plenty of wire length for

the tweeters. Using hook and loop fastener or

similar material, attach the tweeters in different

locations until you find the one where they

perform best.

TWEETER PROTECTION

The C1 crossover networks are equipped

with an advanced electronic tweeter protection

circuit designed to minimize the possibility of

tweeter failure. This electronic device monitors

current going to the tweeter and will disconnect

the tweeter from the signal when it senses

overload. Should this occur while listening to

the audio system, simply reduce the volume for

a few seconds and the protection circuit will

reset itself automatically.

DIAGRAM B:

More Desirable Speaker Placement

DIAGRAM A:

Less Desirable Speaker Placement

CROSSOVER NETWORK INSTALLATION

The crossover networks supplied with your

C1 System should be installed in a dry location

inside your vehicle. DO NOT INSTALL THEM

INSIDE OF A DOOR! Doors often get wet on

the inside, which can damage your crossover

networks and could potentially damage your

entire sound system. Use plastic cable ties

or a similar fastener to securely mount each

crossover to avoid coming loose in the event

of a collision, sudden jolt or repeated

vibrations during normal use. Make

sure that your mounting location will

not cause damage to wiring or any other

vital component of your vehicle.

TWEETER INSTALLATION

C1 tweeters have been designed for surface

or flush-mounting. Before choosing a method,

carefully inspect the desired mounting location

to determine which method will work best.

Surface-Mount: uses the supplied surface-

mount fixture and requires the drilling of

three holes (one for the wires and two for the

mounting screws). This application is useful

when mounting the tweeters to a panel that has

insufficient clearance behind it for the tweeter’s

magnet structure.

Flush-Mount: yields a custom-installed

appearance and requires a 1-1/2-inch (38 mm)

diameter hole to be cut in the vehicle panel, with

at least 0.40-inch (10 mm) of clearance behind

the mounting surface for the tweeter and up

to 1.45-inch (37 mm) for the stud bolts used to

mount each tweeter.

WARNING

Double check the clearance for both speakers

before proceeding. Many cars are different

from one side to the other!

TWEETER CONNECTIONS

Run the wire leads from the crossovers to the

tweeter mounting locations and to the speaker/

amplifier outputs. Then, connect the harness

wire leads to the speaker/amplifier outputs

and tweeters, observing correct polarity. See

Diagram C below for details.

WARNING

It is absolutely vital that your component

tweeter is connected, as shown in Diagram C.

Failure to connect the tweeter as shown will

result in damage which is NOT covered under

warranty. Only use in-line filters clearly

marked “C1-075cthp”.

om Woofer

or Amplier

Tweeter Crossover

Tweeter

DIAGRAM C:

Tweeter / Crossover Wiring

6 | JL Audio - C1-075ct Owner’s Manual

DIAGRAM D:

Surface-Mount Tweeter Installation

CLICK!

SURFACEMOUNT INSTALLATION

1) Remove the vehicle panel and check

to ensure that the mounting screws

will have adequate clearance.

2) Place the surface-mount fixture on the

vehicle panel at the desired mounting

location with the mounting screw holes

positioned vertically, at twelve and six o’clock.

3) Mark the location of the two mounting

screw holes and the approximate center of

the right rectangular cutout (for the wires).

4) Using a 1/16-inch (1.5 mm) drill bit,

drill a pilot hole through the panel

at the two screw locations.

5) Using a 1/4-inch (6 mm) drill bit, drill

the hole for the tweeter’s wires at the

location you marked in step 3.

6) Screw the surface-mount fixture to the

vehicle panel using the supplied #6

sheet metal screws (hand-tighten).

7) Feed the tweeter wires through the

rectangular hole in the mounting fixture and

the 1/4-inch hole you drilled in the panel.

Then, snap the tweeter into the surface-

mount fixture.

8) Connect the tweeter’s wires to the wire leads

from the crossover, observing correct polarity.

9) Re-install the vehicle panel, taking care to

route the new wiring so as not to interfere

with any vehicle mechanisms (window

mechanisms, for example).

DIAGRAM E:

Flush-Mount Tweeter Installation

<OR >

FLUSHMOUNT INSTALLATION

1) Detach the preinstalled surface-mount fixture

by inserting a small flat screwdriver into the

slots behind the tweeter flange and carefully

pry open to release.

2) Remove the vehicle panel and check the

desired mounting location to ensure that

there is adequate clearance behind the

panel for the tweeter’s magnet structure and

mounting hardware.

3) Carefully cut a 1-7/16-inch (37 mm) diameter

hole in the vehicle panel. This will achieve a

snug fit and allow the tweeter flange to conceal

the cut line.

4) Select a suitable length stud bolt for your

panel’s thickness and screw its short end into

the rear of the tweeter using the fixed M4 nut

to tighten.

5) Insert the tweeter from the front of the panel

(do not attach the spring clip at this time).

6) Attach the spring clip from behind the

panel using the supplied M5 nut and

tighten by hand until the tweeter is tight

on the panel. Do not overtighten.

8) Connect the tweeter’s wires to the supplied

harness with the in-line high-pass filter,

observing correct polarity.

9) Re-install the vehicle panel, taking care to

route the new wiring so as not to interfere

with any vehicle mechanisms (window

mechanisms, for example).

Stud bolts are provided in two lengths to accommodate different panel thicknesses.

10 mm length 25 mm length

Printed in China

LIMITED WARRANTY  AUTOMOTIVE SPEAKER SYSTEMS USA

JL AUDIO warrants these speakers (and crossover networks, where applicable) to be

free of defects in materials and workmanship for a period of one (1) year.

This warranty is not transferable and applies only to the original purchaser from an

authorized JL AUDIO dealer. Should service be necessary under this warranty for any

reason due to manufacturing defect or malfunction, JL AUDIO will (at its discretion),

repair or replace the defective product with new or remanufactured product at no charge.

Damage caused by the following is not covered under warranty: accident, misuse, abuse,

product modification or neglect, failure to follow installation instructions, unauthorized

repair attempts, misrepresentations by the seller. This warranty does not cover incidental or

consequential damages and does not cover the cost of removing or reinstalling the unit(s).

Cosmetic damage due to accident or normal wear and tear is not covered under warranty.

Any applicable implied warranties are limited in duration to the period of the express

warranty as provided herein beginning with the date of the original purchase at retail, and no

warranties, whether express or implied, shall apply to this product thereafter. Some states do

not allow limitations on implied warranties, therefore these exclusions may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights which vary

from state to state.

If you need service on your JL AUDIO product:

All warranty returns should be sent to JL AUDIO freight prepaid through an authorized

JL AUDIO dealer and must be accompanied by proof of purchase (a copy of the original sales

receipt.) Direct returns from consumers or non-authorized dealers will be refused unless

specifically authorized by JL AUDIO with a valid return authorization number. Warranty

expiration on products returned without proof of purchase will be determined from the

manufacturing date code. Coverage may be invalidated as this date is previous to purchase

date. Return only defective components. If one speaker fails in a system, return only that

speaker component, not the entire system. Non-defective items received will be returned

freight-collect. Customer is responsible for shipping charges and insurance in sending

the product to JL AUDIO. Freight damage on returns is not covered under warranty.

For Service Information in the U.S.A. please call

JL Audio Customer Service:(954) 443-1100

9:00 AM – 5:30 PM (Eastern Time Zone)

JL Audio, Inc

10369 North Commerce Pkwy.

Miramar, FL 33025

International Warranties:

Products purchased outside the United States of America are covered only

by that country’s distributor and not by JL Audio, Inc.

C1-075ct-011817

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