Polyglass Cone: The woofer cone has a cellulose pulp base
and is coated with a uniform deposit of hollow glass microballs. The addition of
the Polyglass layer significantly increases the cone's rigidity without adding
much weight. This combination takes advantage of the accuracy and neutrality of
the hard outer surface, but maintains the superior damping characteristics of
the cellulose pulp.
Surround: The butyl rubber surround is resistant to ultraviolet
rays, temperature extremes, and humidity to add to the speaker's reliability and
Phase Plug: The bullet-shaped aluminum phase plug in the
center of the woofer ensures a smooth, flat off-axis frequency response by
preventing the high frequency sound waves emanating from one side of the cone
from interfering with sound waves from the other side of the cone.
Zamak Basket: The woofer features a cast Zamak basket. Zamak
is a rigid alloy of Zinc, Aluminum, Magnesium, and Copper. Zamak is non-magnetic.
Voice Coil: The voice coil is wound around a 1-1/4" diameter
low-mass Kapton former, ensuring no coil deformation.
Inverted Dome Tweeter: The tweeter is an inverted
aluminum/magnesium dome, producing a broad sound stage. The tweeter has
a Neodymium magnet to provide a powerful magnetic field for the voice
coil, while still maintaining the tweeter's compact dimensions.
Mounting Options: The tweeter can be surface or flush mounted
using the included adapters. Focal recommends flush mounting, but the included
angled cup allows surface mounting at one of two angles; approximately 10° and
Components: Focal uses audiophile grade polypropylene
capacitors and air core inductors to ensure high definition and a dynamic
Tweeter Level: You can adjust the output level of the tweeter
on the crossover to -6 dB, -3 dB, or 0 dB.
Crossover Slopes: The crossover uses 2nd order, 12 dB per
octave low-pass and high-pass filters. The crossover frequency for both is 4,000
Wiring: The inputs and outputs are screw terminals; they
will accept bare wire or spade connectors up to 0.3" wide.
| ||Flush Mount ||Angled Surface Mount |
|Mounting Height ||0.274" ||1.186" |
|Depth ||0.688" (1.01" including screw) ||0.527" (screw depth) |
Diameter ||2.054" ||1.842" |
Diameter ||1.828" ||N/A |
- Width: 2.537"
- Height: 1.246"
- Depth: 4.704"
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