Material: The woofer cones are constructed of titanium-plated
injection-molded polypropylene. This
process of cone molding assures a uniform cone thickness for superior linearity
Titanium adds strength and heat resistance to
polypropylene, resulting in reduced distortion and improved reliability.
Each woofer is made with
a Thermal Plastic Rubber surround that withstands the extremes of the automotive
Coils: The 1" multi-layered copper
voice coils are made to be durable and handle high power.
Tweeter Dome Material: Each
3/4" dome tweeter is made with a silk dome that offers smooth high
Cooling: A synthetic fluid is placed in the magnetic gap of the
tweeter to aid in the cooling of the voice coil. This results in higher power
handling and greater reliability.
Mounting Options: The tweeters may be flush, surface or
"wedge" mounted. The tweeters swivel inside the flush and
surface mount sockets, but they do not swivel in the "wedge mount"
sockets. The "wedge mount" sockets surface mount to the vehicle and
hold the tweeters at a fixed angle; the sockets may be mounted to provide a 15
or 60 degree angle. The tweeters must be installed using one of the three
Mount" (fixed 15 or 60 degree angle)
1.479" (60 degrees)
Dimensions: L=2.707", W=3.517",
2-Way Butterworth Crossovers:
The crossovers feature an 18dB/octave, 4kHz high-pass network for the tweeters
and a 6dB/octave, 4kHz low-pass network for the woofers. The steeper slope of
the high-pass network allows the tweeters to handle greater power, while the
low-pass network provides for a seamless transition between the tweeter and
Compression Tweeter Protection: This built-in protection circuit
includes an incandescent bulb (visible through the clear crossover cover) that
limits power to the tweeter when the "danger" threshold is exceeded.
Because the circuit simply limits power and doesn't shut the tweeter off, this
method of protection is inaudible.
Output Level: There is a jumper pad located on the crossover
circuit board that allows you to select full output level (0dB) or attenuated
(-3dB) tweeter operation. This feature allows you to match the tweeter output
level with the woofer output level for a balanced response. Typically, when the
tweeter and woofer are mounted so they are approximately the same distance from
your ears, the jumper is left in the 0dB position. When the tweeter's location
is much closer to the your ears than the woofer's location, the jumper should be
set to the -3dB position.
Input/Output Connections: The
crossover inputs and outputs are gold-plated screw terminals.
Mounting Tabs: There are two
mounting holes in the base of each crossover.
manual lists separate sensitivity specs for the woofer (88.5dB) and tweeter (93dB).
The sensitivity figure listed in the Crutchfield database is the average of the
two individual sensitivity specifications. The average sensitivity (90.75dB) is
given because it more accurately represents the overall sensitivity of the
system; this permits a better estimation of the power needed for clean, high
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