Mackie Fussion 1800 Parts list
FUSSION 1800SA/1800S
Fussion Series Active, High-Output Subwoofer
■ Mackie’s FUSSION 1800SA/1800S is a high-output,
active subwoofer system featuring high-precision 18-inch
transducers combined with application-specifi c amplifi er
technology. The system is composed of two subwoofer cabinets: the 1800SA, which contains a single 18-inch woofer
and the active electronics, and the 1800S, a single 18-inch
woofer cabinet that functions as a slave.
■ Transducers used in the FUSSION 1800SA/1800S system
feature 4-inch, Inside/Outside-wound voice coils that offer
extreme power-handling capabilities. The cone assembly is
reinforced with long-strand carbon fi ber, which is impregnated into the cone. Extensive materials science research
and development has led to signifi cant advancements in
adhesives, voice coil former materials, surround and spider
technologies. FUSSION 1800SA/1800S transducers were
specifi cally designed for use in this type of enclosure design.
The magnetic assemblies used incorporate advancements
in coil venting and structural cooling that provide lower temperature rise and substantially improved power compression
characteristics.
■ The Fussion 1800 system amplifi er module, located in
the 1800SA cabinet, is an excellent example of the effi ciency
that is possible with active designs. This module uses two
high-effi ciency, high-current, CLASS G topology amplifi ers
running in bridged mode to produce 2500 watts of power.
Instead of an onboard control system, the system relies on
external processing supplied by any FUSSION full range or
mid-high speaker system or by a stand-alone processor.
■ FUSSION 1800SA/1800S subwoofer system frequency
response is linear between 38Hz and 150Hz. When used
with any FUSSION full range or mid-high speaker system, the
onboard processor provides complete system management
of all electronic and acoustic functions including electronic
active crossover, electronic phase alignment, electronic time
correction, electronic equalization and complete amplifi er
and component protection.
■ To ensure long-term reliability and performance, the
amplifi er cards and processor are mounted to a huge heat
sink eliminating the need for fans, dramatically extending
life expectancy and eliminating maintenance cycles. An easily-accessible rear input and control panel offers substantial
signal-routing fl exibility. Line-level signal connections are
via XLR connectors. There is a main speaker-level output on
the 1800SA rear panel, which provides signal to the passive
1800S cabinet via an EP-type connector. The system features
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Features
■
Active, high-output dual 18” subwoofer system
■ 2500W high-effi ciency, high-current amplifi er
■ High output, 139dB peak
■ Two 18” high-precision transducers
■
4” high-temperature, inside/outside voice coils
■ 18mm birch plywood construction
■ Fully integrates with onboard acoustic management
control system found in all Fussion full-range or
mid-high speaker systems
■ Individual 18” cabinets facilitate transport and set-up
(continued)
soft-start circuitry that eliminates pops and precisely controls
AC inrush current surges.
■ Fussion 1800S and 1800SA cabinets are constructed
using 18mm thick multi-layered birch plywood and fi nished
in black splatter paint. There are two handles on each side
for effi cient loading and transport.
Applications
■ Main PA
■ Fills
■ Night Clubs
■ Corporate Events
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SUBWOOFER
FUSSION 1800SA/1800S
APPLICATIONS
FUSSION 1800SA/1800S
SUBWOOFER
Specifi cations
System Specifi cations:
Freq. Range: 38Hz–160Hz
Freq. Response (–3dB): 40Hz–150Hz
Rated Maximum SPL (long term): 136dB @ 1m (system)
Rated Maximum SPL (peak): 139dB @ 1m (system)
Recommended Crossover Point: 85Hz
Transducers
Low Frequency: (2 each)
Cone Diameter: 18” (457mm)
Voice Coil Diameter: 4” (100mm)
Power Handling: 800 watts rms (long term)
FUSSION 1800SA/1800S
Amplifi ers
Low Frequency:
Rated Output per AES standard @ low frequency
driver impedance:
1250 watts Continuous Average Power
2500 watts peak
Type: Class G High Effi ciency, High Current
Cooling: Convection Extrusion
Active, High Output Subwoofer
Physical
Enclosure: Rectangular; 18mm multi-layered birch
Handles: 4 each aluminum/rubber grips
Color: Black, splatter paint
Grille: Custom perforated oval steel grille
with anticorrosive treatment
Dimensions
Height: 32.9” (836mm)
Width: 23.6” (600mm)
Depth: 23.6” (600mm)
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Net Weight: FUSSION 1800SA 145.2 lbs. (66 kg)
FUSSION 1800S 105.6 lbs. (48 kg)
Footnote 1: Power handling for transducers is based on AES long term power testing standard
conducted for 100 hours full power, free air.
Audio Input / Output
Main Input: 2Ω(impedance) balanced
Speaker Level Output (1800SA): EP4 female
Speaker Level Input (1800S): EP4 male
Line Input Power
US: 120VAC, 60 Hz
Recommended Amperage Service: 12A
AC Connector: 3-pin Twistlock 250VAC, 20A male
Europe: 230VAC, 50 Hz
Recommended amperage service: 8A
AC Connector: 3-pin IEC 250VAC, 16A male
In-rush Current Protection: Yes, transistor based
Safety Features
(PROVIDED BY FUSSION FULL RANGE OR MID-HIGH SPEAKER SYSTEMS
ONLY, NO ONBOARD CONTROLS IN 1800SA):
RMS limiting: Monitoring and limiting of continuous
RMS output of amplifi ers
Thermal: Monitoring of thermal condition
of power supply and amplifi ers.
High temperature condition engages input
stage shut down and auto reset function.
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