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Power Handling Note
Dual Voice Coils: For increased
system flexibility, the woofer has two 4 ohm voice coils. When the voice coils
are wired in parallel, the woofer presents a 2 ohm load. When the voice coils
are wired in series, the woofer presents a 8 ohm load. In addition, each coil
may be connected to a different amplifier channel and each channel will see a 4
ohm load; if this is done, each amplifier channel should be fed with a summed mono signal for optimal bass output.
Cast Basket: The dual voice
coil woofers use a polished chrome aluminum cast basket. This ensures a perfect
alignment on each and every woofer. Unlike stamped baskets, the cast basket
cannot bend or tweak. Rigidity is important when trying to achieve strong bass
and high SPL.
Audiobahn's Flame Q series cosmetics are integrated into the cast aluminum
basket, the back cover on the magnet, and the cone.
Aluminum Cone: This woofer uses
a stamped and balanced aluminum cone.
Vented Back Plate: The
back plate is vented to ensure efficient cooling of the voice coil.
4-layer Voice Coil: This woofer
has a 2.5" 4-layer voice coil.
Chrome Finish: This subwoofer
has a protective chrome finish.
Speaker Terminals: Each voice
coil has inputs for bare wire up to 8 gauge. The wire is held in place by
tightening Allen Head bolts using the included Allen wrench.
Recommended Ported Box
Volume: For best response and volume, Audiobahn recommends a ported enclosure with an internal volume
of 2.585 cu/ft and two 3" diameter x 8.529" long ports.
Recommended Sealed Box
Volume: This woofer is best suited for ported box applications; with all
other factors being equal, the woofer will sound better in a ported box
than it will in a sealed box. If you must mount this woofer in a sealed box, Audiobahn recommends a sealed enclosure with an internal volume
within the range of 0.77 cu/ft to 1.27 cu/ft.
Handling: The woofer has two 4 ohm voice coils, and each coil
can handle up to 550 watts RMS (1100 watts peak).
The specifications in the Crutchfield database were taken from
technical sheets provided by Audiobahn. Per Audiobahn, the specifications in the
manual are incorrect. The woofer reviewed by Crutchfield did not come with a
manual, but, according to Audiobahn, future shipments of this woofer will
include a manual.