UW30
Underwater
Loudspeaker
General Product Description
The UW30 represents a departure in the design of
underwater sound sources. Its unique design, U.S. Patent
#3,670,299, utilizes the case’s structural enclosure as the
sound transducer. This development makes possible a
speaker that has no metal parts exposed to the outside,
thus eliminating rust, corrosion or other causes of short-life
expectancy. The transducer principle and its strong
construction allow the UW30 to operate at much greater
depths than any prior type of underwater loudspeaker design.
The 12.7-ounce ceramic magnet and state-of-the-art
voice-coil construction ensure full-fidelity response with the
lowest possible distortion throughout its power range.
The UW30 is equipped with a waterproof, 3 conductor 15.24
m (50-ft.) cable.
The UW30 underwater loudspeaker is designed for permanent
installation and completely submerged operation. All internal
components are encapsulated with a “hot-melt” (Polyamide
Copolymer) process. The outer case is constructed of high
impact ABS (Acrylonitrile butadiene styrene) plastic. Ideal for
installation in both fresh and saltwater pools, the UW30 can
even be installed in ocean environments without adverse
effect. Problems such as corrosion and electrolysis damage
inherent in all or partial metal underwater speakers are
completely eliminated by the plastic construction of the UW30.
A single model UW30 will deliver uniform sound throughout
moderate pools, up to 30 by 30 feet. For larger pools, up to
30 by 60 feet, two speakers should be used. If a high level of
turbulence is to be overcome, such as swimming and diving
instruction classes, several speakers should be used. The
noise level in the water will not only be more effectively
overcome, but it will also allow each speaker to be operated
at a lower power level thus avoiding excessive sound
intensities in the immediate vicinity of the speakers.
Underwater speakers are required equipment for many
activities in commercial and luxury resort pools. As specified
by the American Athletic Union, underwater speakers are
required for synchronized swimming events and instructions
in Olympic pools. They are used for water ballets and similar
water shows. When underwater speakers are installed in
resort and private pools, the effect of music played
underwater is truly an enchanting experience.
Specifications:
Versions Available:
UW30 ................................. 50 feet of cable (15.24 m)
System Type: ............................... Underwater loudspeaker system
Frequency Response: ............................................ 100-10,000 Hz
Power Handling, (500-5,000 Hz pink noise): ................... 30 watts
Impedance: ......................................................... Nominal: 8 ohms
Dispersion: .......................................... Omnidirectional underwater
COMMERCIAL
Architects’ and Engineers’ Specifications
The underwater loudspeaker shall be the UW30. The case
shall be composed of color impregnated, shatterproof ABS
plastic. Speakers shall not be subject to damage or corrosion
from concentrations of chlorine, acid conditions, electrolysis,
saltwater or ocean environments and such minerals that may
be in solution or suspension in such waters. Frequency
response shall be 100 - 10,000 Hz, and impedance shall be
at 8 ohms. Power-handling capacity shall be 30 watts
continuous pink noise and dispersion shall be
omnidirectional underwater. Operating depth shall be not
more than 10 feet below the surface of the water.
Recommended operating depth for optimum efficiency shall
be not more than 1.2 m (4.0 ft.). The UW30 loudspeaker
shall be equipped with a 15.24 m (50 ft.), 3 conductor
waterproof cable terminated within the internal encapsulation
material. Case diameter shall be 182.6 mm (7.19 in.), and depth
shall be 6.63 mm (2.61 in.). Six 5.54 mm (0.218 in.) holes on a
169.7 mm (6.68 in.) circle shall be provided for mounting.
Speaker may be mounted in a wet-niche. Finish shall be
pool blue. Shipping weight shall be 1.8 kg (4.0 lb).
Operating Depth: ....... Up to 3.0 m (10.0 ft) below surface of water
Recommended Installation Depth: .......................... 1.2 m (4.0 ft)
Finish: .............................................................................. Pool blue
Dimensions,
Overall Diameter: .......................... 182.6 mm (7.19 in.)
Depth: .............................................. 66.3 mm (2.61 in.)
Shipping Weight: .................................................... 1.8 kg (4.0 lb)
(4 pages)
(36 pages)
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