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- Low-Frequency Loudspeakers -
 Carrying on the Altec
tradition of natural sound reproduction and superior efficiency, our low-frequency
loudspeakers are made to the most exacting tolerances in the industry.
Whether you need repalcements for original woofers in a famous Altec
Voice of the Theatre® system, are designing a professional sound
reinforcement system, or are building a home theatre system of the
highest quality, Great Plains Audio has a low-frequency loudspeaker that will do the
job properly at a reasonable price.
 Our 515G-series
of low-frequency loudspekers are world famous for their natural, smooth
performance, and excellent transient response. Our current version, the
515G-series, is specifically designed for use in bass horn enclosures,
and is optimized so as to provide the most natural frequency response
in them. Click
on the image to view the specification sheets for our 515G-series of
Bass Horn Driver Loudspeakers.
 Our 515-8LF Low
Frequency Loudspeaker is a reintroduction of a famous Altec design with
a new twist - it's rear vented. This loudspeaker, which has long
been popular for use in many venues, is now made even more versatile
due to this new feature, making it at home in both bass horn and
vented direct radiator enclosures. Click
on the image to view the specification sheets for our 515-8LF
Low-Frequency Loudspeakers.
 Our 416-8C
Low Frequency Loudspeaker is a reintroduction of another famous Altec
design
found in the famous A-7 Voice of the Theatre® System. This loudspeaker has
long been regarded as the finest sounding 16" woofer ever made, and is
equally at home in large full-range sound reinforcement systems and
home theatre systems where accuracy, effieciency, and excellent
low-frequency response are required. Click
on the image to view the specification sheets for our 416-8C
Low-Frequency Loudspeaker.
Our 3000-series
of Low Frequency Loudspeakers were specifically designed for
sound
reinforcement applications, and have also found their way into home
theatre and many other types of systems. Outstanding performers, they
offer extremely linear performance at low distortion within their rated
bandwidth.
Each LF speaker
in the 3000-series is designed for a specific application -
 For smaller,
full-range applications, the GPA Model 3124
Low-Frequency Loudspeaker is an excellent choice. With it's
heavy, cast 12" frame and it's low free-air resonance of 26 Hz, it is
an excellent performer for smaller systems that require smooth
low-frequency response with minimal distortion. Click
on the image to view the specification sheets for our 3124
Low-Frequency Loudspeaker.
 For smaller
applications that require higher SPL output, GPA offers the Model 3127
Low-Frequency Loudspeaker. Capable of handling large amounts of
acoustic power for a speaker it's size (12"), the 3127 is an excellent
choice for use in smaller sound reinforcement systems requiring
excellent
low-frequency response with minimal distortion at higher sound pressure
levels. Click
on the image to view the specification sheets for our 3127
Low-Frequency Loudspeaker.
 One of the best
sounding 16" Woofers we make, the GPA Model 3154
Low-Frequency Loudspeaker
is a superb loudspeaker. It's low, free-air resonance of 25 Hz allows
it to perform exceedingly well in tuned vented boxes with extreme
naturalness and minimal distortion. It is a great choice for use in
medium-to-large sound
reinforcement systems requiring excellent
low-frequency response, and for use in high-quality home audio systems.
Click
on the image to view the specification sheets for our Model 3154
Low-Frequency Loudspeaker.
 One of our most
popular woofers for use in direct radiator enclosures is our Model 3156
Low-Frequency Loudspeaker.
Built on our massive 16" frame, it is a real powerhouse. Incredibly
efficient, it performs equally well in nearly all venues, from large
sound reinforcement systems for houses of worship, stadiums, arenas,
and high-end music systems, all the way to home theatre systems where
high-output with low distortion are required. Click
on the image to view the specification sheets for our Model 3156
Low-Frequency Loudspeaker.
 Our 18" Model 3184
Low-Frequency Loudspeaker is, quite simply, an
fantastic woofer. Designed for use as a sub-woofer, when used in our
Model 8184 Enclosure, it produces a whopping 117 dB of SPL with a mere
300 watts of audio power. Yet, with all that output, it is amazingly
linear and exhibits very low distortion. Great for large sound systems
and home audio systems where performance takes priority over space
limitations. Click
on the image to view the specification sheets for our Model 3184
Low-Frequency Loudspeaker.
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