Rockford Fosgate FNX-1406F - Manual (Page 6)

D
ESIGN
F
EATURES
Midrange
4. Rubber Surround – The durable rubber surround withstands the
extremes of the automotive environment. It also improves sound quality
by reducing 2nd and 3rd order harmonics and provides wider frequency
response.
5. Mica Filled Polypropylene Cone – The ideal cone material would be
infinitely strong, very light and would have very high damping to ensure
great sound quality. The Fanatic X Series Component Systems use a
mica filled polypropylene cone that is strong, light and has high internal
damping to provide excellent reproduction of sound.
6. Cupped Spider – The spider has the job of centering the voice coil and
providing the rear suspension for the speaker. The Fanatic X Component
Systems use a durable cupped spider to ensure great sound with long
life and durability.
7. Large 1" Voice Coil with Anodized Aluminum Former – Just like all
Rockford Fosgate woofers, all Fanatic Component System midrange
drivers use an aluminum voice coil former for more efficient dissipation
of heat. Dissipating the heat is key to long life and high power handling,
so go ahead and crank it up!
8. Vented Pole Piece – The pole piece extends from the back of the speaker
into the voice coil area. The Fanatic X Component System uses a vented
pole piece to allow cool air to circulate in the voice coil gap which allows
greater power handling and increased reliability.
Crossover
9. 2 Way Butterworth Crossover – Features an 18dB per octave high-pass
crossover for the tweeter and a 6dB low-pass crossover for the midrange.
The steeper slope of the tweeter crossover gives better power handling.
The low-pass crossover provides a seamless transition between tweeter
and midrange.
10. Optical Compression – This built-in protection circuit limits power to the
tweeter when the “danger” threshold is exceeded. Because it simply
limits power and doesn't shut the tweeter off, this circuit is completely
inaudible.
11. Gold-Plated Screw Terminals – Terminals plated in gold for maximum
resistance to corrosion to ensure great sound for years to come. These
terminals accept bare wire or 1/4" spade lug connectors.
12. 0dB/–3dB Tweeter Pad – In some installations, you may find that the
tweeter location is much closer to your ears than the midrange. This pad
allows you to match the tweeter level to the midrange for the best
balance.
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