Frequency Response, 1 meter on-axis,
swept-sine in anechoic environment:
51 Hz to 300 Hz (±3 dB)
Usable Low Frequency Limit (-10dB
point):
40 Hz
Power Handling:
1,200 Watts continuous
2,400 Watts program
4,800 Watts peak
Sound Pressure Level, 1 Watt, 1 meter
in anechoic environment:
99.0 dB SPL
(2.00 V parallel input)
Maximum Sound Pressure Level
(1 meter):
130 dB SPL continuous
136 dB SPL peak
Radiation Angle measured at -6 dB
point of polar response:
Essentially omnidirectional
Transducer Complement:
2 x 18" woofer, vented
1808-8 ALCP Pro Rider
®
Box Tuning Frequency:
43 Hz
Minimum Recommended Active
Crossover Frequency and Slope for Bi-
amping:
90 Hz at 18 dB/octave
High pass filter 35 to 40 Hz at
12 to 24 dB/octave is recommended
Impedance ( Z ):
Parallel input:
nominal 4.0 Ω
minimum: 3.3 Ω
Dual-woofer input:
nominal 2 x 8.0 Ω
minimum: 2 x 6.6 Ω
Input Connections:
One four-pin Neutrik
®
Speakon
®
non-switching jack
One four-pin Neutrik Speakon
switching jack
Two 1/4" jacks
Enclosure Materials & Finish:
Birch plywood with internal bracing
Dimensions (H x W x D):
Width: 21.625" / 549 mm
Depth: 29.625" / 752 mm
Height: 42.5 " / 1080 mm
Net Weight:
121.7 lbs. (55.3 kg)
Features
This loudspeaker system delivers high
output, low distortion bass from two
18" Pro Rider woofers mounted in a
vented enclosure. It is designed for
portability and includes handles, metal
grille, reinforced corners, a durable
carpet exterior, casters and rubber feet.
A pole mount is included for support of
a high-pass enclosure. A remarkable
reduction in weight has been made
possible by using top-quality birch
plywood construction instead of the
usual composite wood materials, even
though power handling has been
increased.
SPECIFICATIONS SP
™
218
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