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 |  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.

Summary of Contents for C1-075ct

Page 1: ...e 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 S...

Page 2: ...ions 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 Protru...

Page 3: ...er 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 bol...

Page 4: ...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 tweete...

Page 5: ...ance behind the mounting surface for the tweeter and up to 1 45 inch 37 mm for the stud bolts used to mount each tweeter WAR N IN G Double check the clearance for both speakers before proceeding Many...

Page 6: ...ch 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 Scre...

Page 7: ...ne 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 pan...

Page 8: ...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 t...

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