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SPF-1818A
& SPF-1818
ACTIVE & PASSIVE DUAL 18" FOLDED HORN
SUBWOOFERS
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 THEY
WILL MOVE YOU!
The B-52 SPF-1818A is
designed for large permanent
installations. It combines the advantage of a long throw folded horn with the
power and reliability of B-52's digital amplification. A 24 dB / octave electronic
crossover, compressor and hard limiter are built into the amplifier allowing
these subwoofers to easily patch into an existing system with just a pair of
XLR cables. These cabinets are constructed of 13-ply Baltic birch, scratch-resistant
paint and can easily withstand the abuse of the road. The new B-52 18-200X subwoofer
provides a real increase in the system’s power handling and efficiency.
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SPF-1818A
DUAL 18” ACTIVE
FOLDED HORN SUBWOOFER
The B-52 SPF-1818A is perfect
for club installations or large venues that need
tremendous bass output with all the conveniences
of an active system. It delivers 1200 watts of
thundering bass that will travel all the way
to the back of your venue. Precision placed internal dividers
allow each subwoofer to fire into the central
chamber without cancellation. The result is thunderous, tight,
punchy bass that can be both heard and felt.
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SPF-1818S
DUAL 18” PASSIVE FOLDED HORN
SUBWOOFER
The SPF-1818S is a long-throw subwoofer
that delivers more than 2000 watts of
thundering bass. While the subwoofers
are connected in parallel, precision
placed internal dividers allow each driver
to fire into the central chamber without
any cancellation. Each subwoofer is housed
in a compression chamber, which allows
the drivers to produce tight, punchy
bass without over excursion. |
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AMPLIFIER
FEATURES:
* Made in the U.S.A.
* 1200-watt RMS digital amplification
* 800 watts RMS @ 8 Ohms (SPF-18A)
* 1200 watts RMS @ 4 Ohms (SPF-18A & SPF-18S
connected / SPF-1818A)
* Crossover slope: 24 db/octave
* Subsonic filter: 30 Hz
* Built-in compressor / limiter
* XLR balanced inputs
* XLR balanced FR & 120 Hz HP outputs
* 0–180° phase switch
* Neutrik speaker output (SPF-18A)
* Full thermal & short circuit protection
* Signal sensing on/off circuitry |
New
B-52 18-200X 18” Subwoofer
The new B-52 18-200X
18” subwoofer
features a
cast-aluminum frame, 200 oz magnet
structure, double spider, anti-rocking
surround, a bumped back plate for maximum
excursion and 4” dual-layered
tempered voice coil. The voice coil
is wound with 4 layers of 25-gauge copper
wire, optimally sized for this motor.
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THE
DIGITAL DOMAIN
The lightweight digital amplifier is more
than 93% efficient, draws less power than
conventional amplifiers and therefore generates
less heat. Less heat translates to longer
device life, more efficient operation and
unparalleled reliability. |
ELECTRICAL
DRAW
B-52’S digital amplifier draw less
than 12 amps of electricity at full volume.
So whether you’re throwing a party
near a nuclear power plant, or a house
party with only a 15 amp breaker, the SPF-18A
or SPF-1818A can be plugged in virtually
anywhere without the risk of popping a
circuit breaker. |
18”
SUBWOOFER
The B-52 18-200L 18” subwoofer
features a
cast-aluminum frame, 200 oz magnet structure,
a bumped back plate for greater excursion
and a 4” dual-layered tempered-aluminum
voice coil. The voice coil is wound with
4 layers of 26-gauge copper wire, optimally
sized for this motor. |
CABINET
CONSTRUCTION
The SPF1818A and SPF-1818S cabinest are
built for the abuse of the road and to
stand-up to the pounding club scene for
installation. These subs are constructed
with 13-ply Baltic birch and are backed
by our unequalled warranty. |
COMPRESSION CHAMBER
The SPF-1818A and SPF-1818S
cabinets house a compression chamber that
minimizes the excursion of the driver while
maximizing the subwoofer’s output.
The optimally-sized acoustic aperture of
the compression chamber forms the throat
of the horn and helps force air at an increased
velocity and pressure. The compression
chamber optimizes the horn’s output,
allowing the the subwoofer to achieve amazing
and unprecedented output levels. |
SPF-1818A
digital amplifier
All Architectural Series folded horn subwoofer
cabinets feature 13-ply Baltic birch
construction, scratch resistant black
or white paint finish and a LIFETIME
construction warranty.
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