INTRODUCTION
Thank you for choosing Mackie DesignsOcabinet is that the FUSSION 1800SA func-
active sound reinforcement speaker systems.tions as a system, optimizing acoustic,
The FUSSION 1800SA and 1800S is anelectronic, and mechanical designs to achieve
extreme output active subwoofer system.the highest level of performance and value.
Designed to live on the road, this subwooferSize was a paramount design objective
system is a double 18ý design broken downduring the development of the FUSSION
into two individual enclosures that make1800SA and 1800S. Double 18ý subwoofer
load-in and load-out quick and easy. It in-bins are typically very heavy, bulky, and dif-
corporates a 2500 watt high-efficiencyficult to handle. We spent over a year
amplifier system and two front-loaded,speaking with regional touring companies
high-precision 18ý woofers mounted withinand gaining valuable insight from their ex-
each cabinet. Connection and setup is aperiences and suggestions. The result is an
breeze. Just connect the SUB OUT line-extremely compact system that is easy to
level signal from a Fussion Series full-rangetransport and set up.
active speaker, plug in the power cord, and
High-Efficiency, High-Current Design
youOre ready to go.
The FUSSION 1800SA accepts a line-The FUSSION 1800SA is the first
level signal via a female XLR input jack. Allsubwoofer system to incorporate a passively
Fussion Series full-range active speaker sys-cooled, high-efficiency, high-current design
tems include a SUB OUT signal via a maleinto an enclosure. The physical design is
XLR that connects to the subwoofer systembased on an amp-module philosophy that
quickly and easily. The FUSSION 1800SAfacilitates easy field service and repair. Re-
is specifically designed to work with theproduction of transients was the key goal
FUSSION 1800S. Power for the passivewhen designing the amplifier, and to ac-
1800S is provided by the 1800SA via acomplish this we used an exorbitant
Neutrika female Speakon connector lo-quantity of high-voltage capacitors in the
cated on the rear panel.power supply to store the necessary energy.
Because the amplifier is located justThe result is a compact system that delivers
inches away from the driver within its ownconcert-level, high-quality performance
protected enclosure, the amplifier enjoyswithout the need of external amplification
several benefits. It sees a non-reactive loadand processing.
with a constant impedance, which substan-The FUSSION 3000 can run on 115VAC
tially improves performance. It also sits on aor 230VAC and features soft-start circuitry
mammoth heatsink that eliminates thethat eliminates Opops� and precisely con-
need for fans, dramatically extending lifetrols in-rush surges. The cabinet is
expectancy, and eliminating maintenanceconstructed of 13-ply, 18mm thick baltic
cycles. A tremendous benefit of having thebirch wood and is coated with high impact,
amplifier located within the subwooferblack textured paint.
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ACEC
