SPEAKER PLACEMENT
CONSIDERATIONS:
A component system gives you the ability to
place the woofer, midrange and tweeter separately
in your vehicle interior. This can be good or bad,
depending on how it’s done.
The XR653-CS system has been optimized for
installations in which the midrange and tweeter
drivers for each channel are mounted as close
together as possible on the same mounting plane
(such as a kick panel installation).This type of
mounting will result in the best tonal balance and
most coherent imaging.The center to center
separation of the midrange and tweeter should be
between 3.5 inches (89mm) and 4 inches (102mm)
Any separation greater than 4 inches (102mm)
from center to center of each driver is likely to
result in degraded sound quality. We do not
recommend mounting the tweeters in a different
location than the midrange driver (for example:
tweeters on the dash, midrange in the door).
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.
The 6.5 inch (160mm) woofers will usually be
placed into factory speaker locations and can be
separated from the midrange and tweeter by as
much as 18 inches (46 cm), without degrading
sound quality. For proper low-frequency
performance, the woofers need a fairly large air
space behind them (like the air inside of a door).
Enclosing the XR650-CW woofers in spaces smaller
than 1 cu.ft (28 liters) is not recommended if
optimum low-frequency and midbass performance
is desired.
We do not recommend mounting the woofer
and midrange into the same enclosed environment,
as this will cause energy from the woofer to
modulate the midrange driver, resulting in distortion
and coloration of the sound. If you are mounting
the mids and woofers into the same environment,
you will need to sub-enclose the midrange speakers
in an enclosure with a minimum of 0.08 cu.ft. (2.3
liters).This guideline also applies to any other
enclosed application of the midrange driver:
Enclosures smaller than 0.08 cu.ft (2.3 liters) will
alter the frequency response of the midrange driver
and result in degraded sound quality.
INSTALLING THE WOOFERS IN
FACTORY LOCATIONS:
If you will be using the factory speaker wires, it
may be necessary to change the terminations. This
may be accomplished by using an adaptor plug or
simply by cutting the factory connector off and
using the supplied crimp connectors to terminate
the speaker wires.The large connector is for the
positive terminal and the small connector is for the
negative terminal of each woofer. Keep in mind that
the woofer wires must be connected to the woofer
outputs of the crossovers supplied with your system
as shown in the diagram on page 3. You may also
choose to run new speaker wires...refer to the
custom installation section for details. Whichever
method you choose, observe correct polarity in
your connections. If you are unsure about any of
these issues, contact your authorized JL AUDIO
dealer for installation assistance.
4 JL AUDIO XR653-CS
