Woven Glass Fiber Cone: The FOCAL Access 30A1DB features a 12" a braided
and watertight, all-weather, woven glass fiber cone for dynamic bass response
Butyl Surround: The FOCAL Access 30A1DB features a butyl rubber surround
to promote long life and durability.
2.5" Voice-Coil: The Access 30A1DB woofer features a 4-layer, 2.5"
voice-coil for higher power handling capabilities up to 250 watt (RMS) and 500
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.
Voice Coil Cooling System: The Access 30A1DB's voice-coil cooling system
provided optimized reliability with no dynamic compression.
145mm Magnet: The Access 30A1DB woofer features a 145mm (5.708") magnet
for higher sensitivity up to 91dB (2.83V/1m).
Spring-Posts: The FOCAL 12" woofer is equipped with a pair of
spring-post speaker terminals for easy connection up to 10AWG wire.
Integrated Foam Gasket: The Access 30A1DB features an integrated foam gasket mounting-ring for better chassis damping and to prevent air leakage.
Rubber Magnet Boot: The Access 30A1DB features a rubber magnet boot to
protect the woofer's magnet from shocks and corrosion. The rubber boot is
Recommended Ported Box Volume: The FOCAL Access 30A1DB is
designed to be installed in a sealed box with a volume between 0.883 cu/ft to
1.765 cu/ft. FOCAL recommends a sealed enclosure made out of 3/4" MDF with an
internal volume of 1.412 cu/ft.
Sealed Enclosure Specifications (using 3/4" MDF
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