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Chassis: The Boston Acoustics G3 series high-performance
subwoofers are built upon a rigid chassis. It features the patented RadialVent
cooling technology which directs airflow around the 2-1/2-inch 4-layer voice
coil for increased power handling.
Materials: The G312-44 woofer has a co-polymer woofer cone
with a raised dustcap and a large compressed foam surround. The wrap-around
gasket gives you a good seal whether you top-mount or bottom-mount the woofer.
SureSet: The speaker terminals are equipped with two 7.5-amp ATC fuses
for selecting between series or parallel voice-coil operation. When both fuses
are used, the woofer is configured for parallel operation, and the woofer's
impedance is 2 ohms. When one fuse is used in the center slots, the woofer is
configured for series operation, and the woofer's impedance is 8 ohms. There is
no need to change the position of the speaker wire in order to switch between
parallel and series wiring. The fuses also provide voice coil protection under
transient conditions such as accidental momentary overdrive. Use of the standard
automotive style fuses allows you to quickly service the woofer in case a fuse
is blown during usage. Note: The fuses do not protect against voice-coil
failure resulting from long term high power abuse.
Terminals: The woofer has rugged spring post terminals that
accept up to 8-gauge bare wire or pin connectors.
Long Excursion: The woofer has a 2-3/4 inch peak-to-peak
excursion for accurate deep bass output from a small sealed enclosure.
GTR Tunable Radiators: The G312-44 is compatible with the Boston
Acoustic GTR Tunable Radiator (item number
065GTR12, sold separately). These passive
radiators, when mounted in an enclosure with the G3 woofer, can produce increased
bass output without added enclosure volume.
Sealed Enclosure: The ideal sealed enclosure for the G312-44
woofer is 1.0 cubic feet.
Ported Enclosure: The woofer can also be used in a 2.0 cubic
foot ported enclosure with a 4" diameter x 13" long port (tuned to 34