Polyglass Cone: The FOCAL Polyglass
33V2 features an 13" polyglass cone woofer for a wide, dynamic frequency response
of 30-500Hz that offers neutral, coloration free sound. The uniform deposit of
hollow-glass microballs over the entire cellulose pulp cone greatly increases
its rigidity without adding significant weight, so you get a woofer that is
durable, yet efficient, and sounds great.
NBR Surround: The FOCAL Polyglass 33V2 features a NBR
(Nitrile Butyl Rubber) surround for long excursion, deep bass, and added
durability to promote long life.
Kapton Former Voice-Coil: The Polyglass 33V2 woofer features
diameter, dual 4-ohm, Kapton former (aluminum) voice-coil for higher power handling capabilities up to
400 watt (RMS) and 800
Dual 4-ohm Voice Coils: This woofer features dual 4-ohm
voice coils that offer flexibility in wiring. When the voice coils are wired in
parallel with each other, the woofer presents a 2-ohm mono load. When the voice
coils are wired in series with each other, the woofer presents an 8-ohm mono
load. In addition, each coil may be connected to a different amplifier channel
and each channel will see a 4-ohm load.
Louvered Cooling System: The Polyglass 33V2's
Louvered Cooling System is self-regulated ventilation system which increases air
cooling, prevents heat build-up, and provides optimized reliability with
156mm Magnet: The Polyglass 33V2 woofer features dual 156mm (6.125")
for higher sensitivity up to 90dB (2.83V/1m).
Die Cast Chassis: The FOCAL
Polyglass 33V2 features a die-cast Zamak chassis which is a rigid, non-magnetic,
and non-resonant frame that provides a strong, reliable structure for the
Spring-Posts: The FOCAL 13" woofer is equipped with two pair of
nickel-plated spring-post speaker terminals for easy connection up to 10AWG wire.
Foam Gasket: The Polyglass 33V2 comes supplied with a
self-adhesive foam gasket mounting-ring for better chassis damping and to
prevent air leakage.
Recommended Sealed Box Volume: The FOCAL Polyglass 33V2 is
designed to be installed in a sealed box with a volume between 0.106 cu/ft to
1.77 cu/ft. FOCAL recommends a sealed
enclosure made out of 3/4" MDF with an internal volume of 1.41 cu/ft.
Sealed Enclosure Specifications (using 3/4" MDF
|Internal Volume ||0.106 cu/ft. ||1.41 cu/ft. ||1.77 cu/ft. |
|Dimensions ||Width: 14.9375" |
|Width: 19.25" |
|Width: 23.8125" |
|Bass Type ||Fast and tight bass ||Punch and dynamic bass ||Deep and articulate bass |
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