Atlantic Technology 224 SB Manuale di istruzioni - Pagina 4
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Features
Clear Filter™ Technology and Other Features
Your Atlantic Technology powered subwoofer has been engineered using
the latest technology and finest components available. It features:
Exclusive – Atlantic's Clear Filter Technology
Clear Filter Technology™ is an exclusive Atlantic design feature that
ensures the cleanest, most articulate bass possible from a subwoofer.
The small cabinet of a powered subwoofer—any subwoofer—has a
deleterious effect on the subwoofer's sound. The dimensions of the
cabinet conspire to produce audibly intrusive interference, leading to
colored, 'slow, ' and muddy bass response.
Therefore, we have developed Clear Filter Technology ™. Unlike con-
ventional "limiters" and "feedback loops, " CFT incorporates special
circuitry into the subwoofer amplifier that actually eliminates the
negative effects that the enclosure itself has on the sound. That's why
other subwoofers, regardless of their power ratings or their limiters,
can't match the sound of an Atlantic subwoofer for detail and accu-
racy. This benefit is found in all Atlantic subwoofers, regardless of size,
price or configuration.
A long-throw composite cone driver with a vented motor struc-
ture and 2" high temperature voice coil
This powerful driver has a very stiff cone that acts like a piston
throughout its operating range. Its massive magnetic motor assem-
bly and high temperature component parts deliver exceptional per-
formance and reliability.
Sealed enclosure design for low distortion and deep bass output
Sealed enclosure woofer designs are inherently low in distortion, and
deliver deep smooth bass response with a gradual and predictable
roll-off below resonance. As with all Atlantic Technology subwoof-
ers, we have paid close attention to providing accurate musical bass
reproduction along with terrific special effects.
High-current amplifiers
The output stage of these amplifiers are capable of very high cur-
rent delivery for exceptional driver control and cool operation. They
have been precision matched and equalized to our rugged drivers.
Together they deliver powerful, controlled bass with great articula-
tion and authority.
A useful in room working frequency range of 25Hz to 150Hz
Many subwoofers offer specifications that look great on paper, but in
real world use deliver less than promised. Atlantic Technology sub-
woofers are over-designed to ensure that they will deliver their rated
performance in your room, when properly placed and adjusted.
An adjustable (40Hz to 140Hz) @ 18dB per octave Low-Pass crossover
The steep upper end roll-off slope of 18dB per octave allows for much
better bass integration with the satellite speakers while making the
woofer less localizable.
NOTE: If you are using a surround Processor/Receiver that includes
its own filtered subwoofer output (or a THX Certified Processor/
Receiver), we recommend that you set the crossover control to the
Bypass position.
Model 224, 334 and 444 SB Powered Subwoofer
Two low level inputs, two low level outputs
The outputs allow daisy chaining of multiple subwoofers, or as a
return path back to the processor.
A Phase Invert switch (Normal/Invert)
This switch allows precise acoustic matching with satellite speaker
systems whose output may be phase reversed. This switch also allows
you to compensate for unusual room acoustics that occur when the
woofer is physically separated from the main speakers. Be sure to try
the Phase switch in both positions when you set up your subwoofer.
Even if you've simply changed the built-in Low-Pass crossover set-
tings it's a good idea to try the Phase switch in both positions, since
the crossover control and the Phase switch acoustically interact with
each other. Pay particular attention to the transition of bass from the
woofer to the satellites, listening for smooth and well defined bass
throughout the range.
Convenient front panel mounted Level Control
Automatic standby operation, LED indicator
Automatic standby features signal sensing turn-on with 7-10 minute
turn-off delay. There's a multi-color LED status indicator that lets you
know when the unit is on or in standby. Automatic Standby can be
defeated by placing the rear mounted switch in the ON position.
An AC cord power input socket
Your subwoofer comes supplied with a heavy-duty detachable power
cord.
Designed and built to meet all current US, Canadian and Euro-
pean safety requirements